HomeMy WebLinkAboutAPA1221ALASKA POWER AUTHORIT Y
SUSITNA HYDROELECTRIC PROJECT
TASK 3 -HYDROLO GY
SUBTASK 3.01 -CLOSEOUT REPORT
REVIEH OF AVAILABLE MATERIAL
FEBRUARY 19 81
Acres American Incorporated
1000 Liberty Bank Building
Main at Court
Buffalo, New York 14202
Telephone (716) 853-7525
ALASKA POWER AUTHORITY
SUSITNA HYDROELECTRIC PROJECT
SUBTASK 3.01 -CLOSEOUT REPORT
FEBRUARY 1981
AcRES AMERICAN INcoRPORATED
1000 LIBERTY BANK BuiLDING
MAIN AT CouRT
BuFFALO, NEw YoRK 14202
TELEPHONE (716) 853-7525 .
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ALASKA POWER AUTHORITY
SUSITNA HYDROELECTRIC PROJECT
TASK 3 -HYDROLOGY
SUBTASK 3.01 -CLOSEOUT REPORT
REVIEW OF AVAILABLE MATERIAL
TABLE OF CONTENTS
LIS T 0F TAS LES iii
L1ST OF FIGURES iv
1 -INTRODUCTION 1-1
1.1 -Background 1-1
1.2 -Report Contents 1-1
2 -SUMMARY 2-1
2.1 -Avai lable Data 2-1
2.2 -Previous Studies 2-1
~2.3 -Conclusions 2-2
3 -SCOPE OF WORK 3-1-
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4 -HYDROLOGIC DATA FOR THE SUSITNA BASIN 4-1
4.1 -Streamflow 4-1
4.2 -Sediment Discharge 4-2
4.3 -Water Quality 4-3
4.4 -Ice Cover Data 4-4
4.5 -Discussion ·4-4
5 -HYDROLOGIC DATA FOR ALTERNATIVE HYDRO SITES 5-1
5.1 -Introduction 5-1
5.2 -Streamflow Data 5-1
6 -CLI MAT IC DATA 6-1
6.1 -Climatic Data 6-1
6.2 -Ev apor at i on Oat a 6-1
6.3 -Snow Survey.............................................6-1
BI BLI OGRAPHY
APPENDIX A-STREAMFLOW GAGING STATIONS IN THE SUSITNA BASIN
B -MEMO ON PROBABLE MAXIMUM PRECIPITATION ESTIMATES
FROM NATIONAL WEATHER SERVICE TO CORPS OF ENGINEERS -
UNDATED
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ALASKA POWER AUTHORITY
SUSITNA HYDROELECTRIC PROJECT
TASK 3 -HYDROLOGY
SUBTASK 3.01 -CLOSEOUT REPORT
REVIEW OF AVAILABLE MATERIAL
TABLE OF CONTENTS (Cont1d)
APPENDIX C-SUSPENDED SEDIMENT GAGING STATIONS
D-WATER QUALITY -STATIONS AND PARAMETERS
E -MISCELLANEOUS CORRESPONDENCE AND MINUTES OF MEETINGS
WITH VARIOUS AGENCIES
F -MONTHLY STREAMFLOW DATA FOR ALTERNATIVE HYDRO SITES
G-CLIMATE DATA STATIONS
H-SNOW SURVEY -STATIONS AND PERIOD OF RECORDS
I -DATA COLLECTED BY ALASKA DEPARTMENT OF FISH AND GAME
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LIST OF TABLES
Number
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
4.16
5.1
5.2
6.1
6.2
6.3
Titl e
Typical USGS Streamflow Records .......................4-5
Est i mated Monthly Flows at Devil Canyon Dam Site ......4-6
Estimated Monthly Flows at Watana Dam Site ............4-7
Est imated Monthly Flows at Vee Canyon Dam Site ........4-8
Estimated Monthly Flows at Denali Dam Site ............4-9
Yearly Peak Flows of Record •••••••••••••••••••••••••••4-10
Upper Susitna River Basin Peak Discharges •••••••••••••4-10
Summer Probable Maximum Flood •••••••••••••••••••••••••4-11
Spring Probable Maximum Flood •••••••••••••••••••••••••4-11
Typical USGS Suspended Sediment Records •••••••••••••••4-12
Suspended Sediment Transport at Gaging Stations •••••••4-13
Reservoir Sediment Inflow .•.....••.••..•.......•.•.••.4-13
Typical USGS Water Quality Records ••••••••••••••••••••4-14
Ice Observation Data for Susitna River ••••••••••••••••4-16
PMF Estimates at Dam Sites ••••••••••••••••••••••••••••4-18
Reservoir Sediment Deposit at Dam Sites •••••••••••••••4-18
Streamflow Data Base ..•.•....•••......................5-3
Transposition of Streamflow Data Base •••••••••••••••••5-4
Typical NOAA Climate Data Records •••••••••••••••••••••6-2
Basin Climatological Data •••••••••••••••••••••••••••••6-3
Pan Evaporation Data .•.•.....•.•...•.•.•..••..•.•..•..6-4
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LIST OF FIGURES
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Number
2.1
2.2
2.3
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
Title
Map Showing Locations of USGS Gaging Stations in
Al aska 2-3
Map Showing Gaging Stations and Dam Sites on the
Susitna River 2-4
Selected Alternative Hydroelectric Sites 2-5
Annual Low Flow Frequency -Susitna River at Gold
Creek 4-19
Synthetic 32-month Low Flow Frequency -Susitna
Ri ver at Go 1d Creek 4-20
Peak Discharge Frequency -Susitna River at Gold
Cr ee k 4-21
Assumed Snow Pack in Water Equivalents for PMF
Derivation 4-22
Summer Probable Maximum Flood Hydrographs -Devil
Canyon and Watana Projects 4-23
Spring Probable Maximum Flood Hydrographs -Devil
Canyon and Watana Projects 4-24
Suspended Sediment Si ze Analysi s 4-25
Suspended Sediment Rating Curves for Susitna River 4-26
Bed Load Rating Curve for Susitna River at Cantwell 4-27
Total Sediment Ra~ing Curve for Susitna River Basin
Above Gold Creek 4-28
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1 -INTRODUCTION
1.1 -Background
The development of hydroelectric power in the Susitna River Basin has been under
study for the last three decades.Streamflow observations in the basin extend
over 30 years at the oldest established gaging stations.Some climatic records
at Talkeetna and Summit stations date back from 1938.Most of the data has been
collected by agencies such as the United States Geological Survey (USGS),U.S.
Soil Conservation Service (SCS),National Oceanic and Atmospheric Administration
(NOAA)and the Arctic Environmental Information and Data Center (AEIDC).
The Acres American Incorporated Plan of Study (POS)(1)for the reassessment of
the feasibility of the Susitna Hydroelectric Project includes Hydrologic Studies
under Task 3 which is composed of several subtasks.The objective of the
Subtask 3.01 is to assemble and review all available reports,maps and studies
relating to the hydrologic aspects of the Susitna and neighboring basins and
abstract hydrologic design parameters required for the planning studies
concerned with alternative hydro sites including small hydro development in the
Ra i 1be 1t.
Studies of potential hydroelectric development in the Susitna and the
neighboring basins have chiefly been conducted by the U.S.Corps of Engineers
(COE),U.S.Bureau of ~eclamation (USBR),Kaiser Engineers,Alaska Power
Administration and the Federal Energy Regulatory Commission (FERC -formerly
Federal Power Commission).While identifying suitable sites for development,
these studies have collected and interpreted hydrological and climate data to
derive various design parameters.
1.2 -Report Contents
The report is briefly summarized in Section 2.The scope of work associated
with Subtask 3.01 is described in Section 3.A review of previous hydrologic
data collection and processing work undertaken within the Susitna Basin is
outlined in Section 4 while Section 5 discusses hydrologic data pertinent to
other potential hydroelectric development schemes in the vicinity of the rail-
belt.Section 6 deals with the available climatic data.Short extracts from
several publications are appended for ready reference of useful data.
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2 -SUMMARY
2.1 -Available Data
USGS (13~14~15~16)collects streamflow data at over a hunared stations within
the State of Alaska (see Figure 2.1).TerTIperature~sediment discharge and water
quality observations are made at a smaller number of gaging stations.The main
objective of the USGS is to obtain sufficient data to evaluate~on a regional
basis~the water resource potential of the State.Thus~data at specific
locations of interest to a hydroelectric or other development are not usually
available directly from USGS records.
Continuous streamflow records exist for the station at Gold Creek on the Susitna
River for over 30 years.Most of the river basins have some flow records
extending over similar periods.On the Yukon River at Eagle~streamflow records
date back to 1911.Water quality and sediment discharge records are usually
available for much shorter periods.
Climate data is collected mainly by NOAA (formerly by the National Weather
Service)at various airports.The data includes daily temperatures~relative
humidity~precipitation,wind speed and direction,sunshine hours~weather type
and sky cover.NOAA operates some 24 local climatological data stations in the
State where 3 or 6 hourly observations are made for most of the above
parameters.Additional information is available from AEIDC in the form of
processed climatic data .
The SCS runs regular snow course surveys in the area and snow depths and water
equivalent data are available at a number of stations in and around the Susitna
basin.At several stations~the surveys date back to the winter of 1964.
In addition~water resources data have been collected and/or analyzed by the
Alaska Department of Fish and Game (ADF&G)and Alaska Department of Natural
Resources (DNR)in conjunction with special studies .
2.2 -Previous Studies
The most comprehensive analysis of hydrological information for the Susitna
River to date is to be found in the COE Feasibility reports (5~6)(1975 and
1979)dealing with hydroelectric development of the Susitna basin.Preliminary
hydrologic analyses for Cook Inlet and tributaries~Copper River and Gulf Coast
and Yukon and Kuskokwim River Basins were undertaken in 1950/51 by the COE and
described in their Harbors and Rivers in Alaska -Survey Reports (4).
In 1952 the USBR reported (8)on the potential development of water resources in
the Susitna River Basin.This report provides hydrologic information at several
identified dam sites (see Figure 2.2).Later results in 1960 by the US8R (9)
and the Alaska Power Administration (1974)(10)for the Devil Canyon project on
the Susitna River provide updated information at that site.The 1974 report by
Kaiser Engineers (2)include hydrologic analyses for the High Devil Canyon and
other dam sites on the Susitna.
(1)Numbers ln brackets refer to the reference number.
2-1
The 1976 Federal Power Commission report (12),the 1979 CaE National
Hydroelectric Power Resources Study (7)and the 1980 Alaska Power Administration
Hydroelectric Alternatives for the ~laska Railbelt report (11)include
inventory-level hydrologic calculations for large and small potential
hydroelectric developments covering the entire state.Figure 2.3 shows some of
the more promising of these developments which are included in current Task 6
engineering studies.
2.3 -Conclusions
An Index (3)of available hydrologic and climatic data has been prepared and
should be consulted if more detailed outline of available data is required.
Extracts from the Index are included in Appendix A,C,0,G,and H.A detailed
review of the information has generally confirmed the proposed supplementary
data collection program and the hydrologic analyses outlined in the February
1980 Acres pas.On the basis of this review it became apparent that some minor
modifications to the proposed supplementary data collection program should be
made.These are as follows:
Because of the potential for extremely deep snow cover in the mountainous
regions,the use of snow pillows is not advised as the snow tends to bridge
across these relatively large pressure plates.A more appropriate measure-
ment procedure is the use of snow markers supported by conventional measure-
ment using snow tubes;
The proposed water quality (both water chemistry and suspended sediment load
measurements)should be scheduled to obtain a maximum amount of information
during specific hydrologic events such as floods and low flow periods rather
than on a regular basis as originally proposed;
A few basic water quality parameters should be collected using a continuous
monitoring device at Watana to study the short-term variations of certain key
parameters such as water temperature,dissolved oxygen concentration,
specific conductance,pH and oxidation-reduction potential.This would
facilitate a better understanding of the processes involved and assist with
interpretation of historical data.
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25.Talachuli tna 38.Lowe
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3 -SCOPE OF WORK
The reports contained in the Bibliography were reviewed and all useful summary
data abstracted and incorporated in this report.Detailed discussions were held
with the staff of the USGS,Alaska regional office,AEIDC,DNR,ADF&G and the
SCS.The objective of these discussions was to determine what data was
available and to firm up the proposed supplementary data collection program
proposed for 1980-82 ...Selected minutes of meetings held with these agencies are
presented in Appendix E..
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4 -HYDROLOGIC DATA FOR THE SUSITNA BASIN
4.1 -Streamflow
(a)USGS Records
The USGS monitors river stages at over a hundred gaging stations in the
State.There are six stations currently being operated in the Susitna
Basin,three on the main stem and three on the tributaries.The gaging
station on the Susitna at Gold Creek (see Figure 2.2)has a continuous
streamflow record for 31 years from 1949 with some minor gaps.The Susitna
station near the river mouth has only six years of record.Record lengths
at other stations vary between these two extremes.Over ten years of
record are available at two stations,Susitna River at Cantwell and
Chulitna River near Talkeetna,but observations were discontinued after
1972.Partial and short discharge records are also available for several
small tributaries of the Susitna.A list of the gaging stations and record
lengths is shown in Appendix A.
The USGS field measurements involve continuous river stage monitoring.
Using established stage-discharge relationships,mean daily and instantane-
ous peak and low flows are calculated.The data is usually presented in
the form shown in Table 4.1.
In the periods between October and May,ice cover on the river makes
accurate stage observations impossible.The daily mean flows published by
the USGS are,therefore,estimated by interpolating daily flows from a few
manually observed values.However,as the average flow of Susitna in these
months accounts only for some 20 percent of the mean annual flow,the
effect of any inaccuracy on the total measured supply is small.
(b)Previous Analyses of Data
The USBR study of 1952 was based on only 2 years (1949-51)of streamflow
records on the Susitna at Gold Creek.All the estimates of runoff were
derived from this record which was extended back to 1922 by correlation
with precipitation records at Talkeetna.Due to the shortness of records,
the USBR estimates of mean annual flows are not as reliable as the more
recent estimates.At the Watana dam site,for example,the USBR estimate
of mean annual runoff was 7550 ft 3/s compared to the 1975 COE estimate of
8150 ft 3/s which was based on some 25 years of record at Gold Creek.The
flood studies in the USBR report were based on recorded peak discharges of
all interior Alaska streams.The periods of record on all the streams,
except one,were 5 years or less.The COE analyses were based on 10 or
more years of record at gaging stations in the Susitna Basin.
Water resource analyses for the Devil Canyon Project by the USBR were based
on a ten year (1950-59)streamflow record at Gold Creek.Records of
Susitna runoff near Denali were extended to cover this period by
correlation with Gold Creek runoff.Runoff at the dam sites was estimated
by proportioning based on intervening drainage areas.Estimates of peak
flood inflows at Devil Canyon and Denali dam sites were made.However,the
rationale used in the derivation is not described in the reports .
4-1
The COE report on the Upper Susitna tiasin presents the most comprehensive
analysis to date on the hydrology of the river.These studies are based on
a 25 year record (up to 1974)of streamflow at Gold Creek and shorter
lengths of record at Denl i (16 years)and Cantwell (12 years)stations on
the Susitna,and on the Maclaren River near Paxson (15 years).Monthly
streamflows at the latter stations were extended by linear correlations
with the Gold Creek station records.Interpolation of observed and
estimated monthly streamflow for the dam sites was accomplished by adopting
linear drainage area relationships between stations and dam sites.Tables
4.2 to 4.5 show estimated monthly flows for the period 1950-74 for the dam
sites at Devil Canyon,Watana,Vee and Denali,respectively.
Power studies were carried out utilizing 25 years of recorded streamflow
(observed or extended).The driest and the second driest years of records
occurred consecutively in 1969 and 1970.To assess the severity of the
driest sequence,i.e.a 32-month period from October 1968 to May 1971,the
COE generated monthly streamflows for 400 years based on 25 years of record
at Gold Creek using stochastic techniques.The results showed that the
observed driest sequence has a return period well in excess of 400 years
(see Figures 4.1 and 4.2).
The COE carried out frequency analyses of observed peak flows and flOOd
volumes at Gold Creek,Denali,Cantwell and Paxson gaging stations.To
derive the Probable Maximum Flood (PMF)the CUE used the Streamflow
Synthesis and Reservoir Regulation (SSARR)computer model developed by the
North Pacific Division of the COE,Portland,Oregon.The model was cali-
brated using observed precipitation,temperatures and discharges in the
basin for four flood events in the period May through August.It was
verified by comparing computed and observed hydrographs for the gaging
stations at Gold Creek,Cantwell,Denali and Paxson.Spring and summer
probable maximum floods were estimated for the Watana and Devil Canyon dam
sites using this model in conjunction with Probable Maximum Precipitation
(PMP)estimates obtained from National Weather Service (see Appendix B).
Results of the frequency analyses and PMF estimates along with relevant
data are shown in Tables 4.6 to 4.9 and Figures 4.3 to 4.6.
4.2 -Sediment Discharge
(a)USGS Records
Periodic suspended sediment samples have been collected by the USGS at the
four gaging stations above Gold Creek for varying periods between 1952 and
1979.A list of stations and the periods of record available are shown in
Appendix C.Results are published in their water year books and other
water supply papers.Typical data collected is shown in Table 4.10.
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The data coverage during high-flow high-sediment events is poor and conse-
quently any estimate of total annual sediment yield has a high degree of
uncertainty.The majority of the samples collected are analyzed for size
distribution.Curves showing typical size distribution of suspended
sediment are shown in Figure 4.7.Except for three bed material samples
collected by USGS at Denali in September 1958,no bed samples have been
taken at any station.
(b)Previous Analyses of Data
Analyses in the USSR reports were based on the periodic USGS sampling at
Gold Creek,Denali and other interior Alaska streams.The mean annual
sediment inflow at Devil Canyon was estimated at 6440 acre ft.without any
upstream development as compared to the 1975 COE estimate of 5040 acre ft.
which was based on longer USGS records (1952-74).Corresponding figures
for Denali reservoir are 11,400 and 5800 acre ft.,res pectiv31y .These
figures are based on an assumed deposited weight of 80 lb/ft and include
an a11 owance for bed load.
As in the case of streamflow,the most comprehensive analysis of
sedimentation in reservoirs is that undertaken by the COE in 1975.
Suspended sediment rating curves were developed by regression analyses and
sediment transport was calculated using the flow-duration and sediment
rating curves (see Figure 4.8).Table 4.11 shows estimated suspended load
at the gaging stations.For the sediment samples collected at Denali gage,
USGS have computed total sediment load for ten of these observations by use
of modified Einstein procedure.The bed load analysis was based on the
three bed load measurements taken at Denali.The COE developed a bed load
rating curve (Figure 4.9)based on these USGS estimates.Using a
flow-duration curve,the COE estimated bed load transport at Denali at
about 30 percent of the suspended sediment load at the station.Lack of
data at other stations precluded estimates of bed load at these stations.
Based on field reconnaissance of bed material it was assumed (by COE)that
at Maclaren the bed load would also approximate 30 percent of suspended
load as at Denali while at Vee,Watana and Devil Canyon it would be"of the
order of 10 percent of the suspended load.A basin-wide sediment rating
curve (Figure 4.10)was developed using glacial area to basin area ratio
and average catchment elevation as indepenaent variables and was used to
estimate sediment inflows at the dam sites (see Table 4.12).
4.3 -Water Quality
(a)USGS Records
The locations at which water quality aata have been collected within the
Susitna Basin and the information available are listed in Appendix D.
Since measurements are taken periodically,the number of measurements,
timing and specific parameters measured vary from year to year at any given
station.A list of the water quality parameters that have been measured ln
the basin is also presented in Appendix D.Typical information available
from the USGS records are shown in Table 4.13 .
4-3
(b)Previous Analyses of Data
The USSR reports contain little information on the water quality studies
for the reservoirs.A somewhat detailed description of the problems of
water quality peculiar to the Susitna basin and effects of reservoir
developments on the water quality in the downstream reaches are presented
in the'COE report of 1975.The report concludes that additional
information is necessary for evaluating project effects on water quality
and suggests a data collection and analysis program.
4.4 -Ice Cover Data
Information on river ice observation is collected by various agencies at several
locations in the basin.A summary of the available information are presented in
Table 4.14.
4.5 -Discussion
The USSR studies are based on shorter,less extensive data on streamflow and
sediment transport.The 1975 COE report contains the most comprehensive
analyses of all hydrological data for the basin.Therefore,much of the infor-
mation available in the COE report was used as input to Acres preliminary
project definition studies carried out during 1980.The COE estimates for the
Probable Maximum Floods of Watana and Devil Canyon have been interpolated for
use at other dam sites (see Table 4.15).Estimates for sediment transports and
reservoir deposition have similarly been processed and the results are presented
in Table 4.16.
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TABLE 4.1
Typical USGS Streamflow Records
{Reproduced from Reference 141
SOUTH-CENTRAL ALASKA
IS19Z000 SUSITNA RIVER AT GOLD CREEI
LOCATION.--Lat 6Z046'04",long 149°41'Z8",in N~sec.ZO,T.31 N.,R.Z W.,Matanusta-Susitna Borough,Hydrologic
Unit 1905000Z,near left bank under Alaska Railroad bridge,0.1 mi (O.Z km)downstream from Gold Creek.0.9 mi
(1.4 tm)north of Gold Creek railroad station,and Z.O mi (3.Z km)downstream from Indian River.
DRAINAGE AREA.--6,160 mi'(lS,9S0 ka'),approximately.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--August 1949 to current year.
GAGE.--Water-,tage recorder.Datum of gage is 676.50 ft (206.191 m)above mean ,ea level.Prior to June 6.19S1.
nonrecording gage at sa.e site and datum.June 7,19S1 to June 2,1964,vater-stage recorder at site 0.3 IIi
(O.S kml·upstream at same datum.
REMARIS.--Water-discharge records good except those for Oct.26 to May 16,vhich are poor.
AVERAGE DISCHARGE.--Z8 years,9,661 ft'/s (Z13.8 .'/s),Zl.3Z in/yr·(S42 __/yr),1,004,000 acre-ft/YT (8.64 km'/yr).
&XTREMES FOR PERIOD OF RECORD.--Maximua discharge,90,700 ft'/s (2,570 a'/,)June 7,1964,gage height,16.58 ft
(S.OS4 m);maximum gage height observed,24.48 ft (1.462 m)May 10,19S4,ice jam;minimum daily discharge.
about 600 ft'/s (11.0 .'/s)Feb.16-Z0,.1950.
AXTREMES FOR CURRENT YEAR.--Maximum discharge,54,300 ft'/s (1,540 .'/5)June IS,gage height,13.94 ft (4.249 II)'
minimum daily discharge,.about l,SOO ft'/s (42 .'/5)Mar.1-31 •
DISCHARGE.IN CU8IC rEET PER SECOWO.~aTER YEAR OCTOBER 1976 TO SEPTEI4BER 1977
HEAN VaLUES
CAL YR 1976 TOTAL 2930760 MEAN 8008 Max J~JI)O HIN 900 cr5H 1.30
~TR YR 1977 TOTaL 3689280 HEaN 10110 Max 52600 HIN 1500 crSN 1.64
Mote.-·No gage-height record Feb.13 to May 16.
IN 17.70 aC-FT 58131)00
IN 22.28 AC-rT 7318000
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2
]
4
5
6
7a
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
TOTAL
MEAN
MAX
I4IN
crSH
IN.
AC-I"T
OCT
5400
4980
4750
4520
4750
4700
10720
4520
4100
3880
3(140
3800
37100
3720
3610
3760
3720
3880
3870
3720
3760
3760
3560
3390
3250
3200
3200
3000
3000
3000
3000
120100
387..
5"00
3000
.63
.73
238200
NOV
3000
3000
2800
2800
2800
2BOO
2800
2800
2600
2600
2600
2600
2600
2600
2600
2600
2400
2"00
2400
2400
2"00
21000
21000
2"00
2400
2600
2800
2900
3000
3000
79500
2650
3000
2"00
...3."B151700
DEC
3000
2900
2800
2800
2800
2800
2600
2600
2600
2600
2600
2400
2"00
21000
2400
2400
21000
2"00
2200
2200
2200
2200
2200
2200
2200
2200
2000
2000
2000
2000
2000
7"500
2..03
3000
2000
.39
.105
1..7800
JAN
2000
2000
2000
1900
1900
1900
1900
1900
1900
1900
1900
1900
1900
1800
1800
1800
1800
1800
1800
1800
1800
1800
1800
1800
1700
1700
1700
1700
1700
1700
1700
56700
1829
2000
1700
.30
.Jio
112500
rEB
1700
1700
1700
1700
1700
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
..5300
1618
1700
1600
.26
.27
89850
MAR
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
1500
..6500
1500
1500
1500
.210
.28
92230
APR
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1700
1700
1700
1700
1700
1700
1700
1700
1800
1800
1800
1800
1800
1900
1900
501000
1680
1900
161)0
.27
.30
99970
HAY
1900
1900
2000
2000
2200
2200
2500
3000
3500
..000
..000
5000
6000
8000
10000
12000
13600
15300
22700
26"00
21600
17900
16600
16900
16800
18200
21800
23800
28"00
33100
29700
393000
12680
33100
1900
2.06
2.37
779500
JUN
30900
36700
39000
39700
38100
33200
31300
31500
31900
3 ....00
38500
410200
.51 ..~q
52600
52600
50"00
10..800
,"2"00
41000
37000
3....00
33000
33000
33000
310000
310000
35000
35000
3..000
32000
1139000
37970
52600
30900
6.16
6.88
2259000
JUt.
30000
26000
22000
20000
18000
18000
18000
19000
20000
22000
2..000
26000
28000
30000
30000
29000
27000
25000.
23000
22"00
22200
21800
23000
22800
21300
20500
19500
19700
19900
19600
21200
708900
22870
30000
18000
3.71
".28
1406000
AUG
24200
26200
23"00
21500
21700
23to.QO
23400
21200
19300
19900
201000
21200
18900
18000
20100
20600
19200
18600
18500
18500
19100
20100
21600
21500
18800
16000
14400
13"00
1220e
11000
10000
596300
192100
26200
10000
3.12
3.60
1183000
Sf:P
1060e
10700
10700
10500
98100
9520
9880
11400
lZS00
10800
14000
•16700
16980
16800
15000
15600
110500
14400
13000
12200
110200
14600
110800
13000
1140.
10"0
9840
11000
11800
12500
379080
12640
16900
9520
2.05
2.29
751900
4-5
TABLE4.2:ESTIMATEOFMONTHLYFLOWSATDEVILCANYONDAMSITE(ft3/s)(Source:Ref.5,6)DrainageArea-5Bl0SquareMilesAIlnua!YearOct.Nov.Dec.Jan.Feb.Mar.Apr.MayJuneJulyAug.Sept.Average1950599B244413609707446B5B2210903lBB3721B39191517B7B763619513642122910399067746991529133491996121754lB95020170B66719525270259617961512945B31B69513130BB62539920144137479094195377613309160710397747741527lB25926123195B319B481449895921954533619B7 141B12299457371167163722417019733250BB122669204195550BO26121934169B132310391134BB272B519 2649B24754135679749195646B317981229926916BBBB971673231BOO29B13235901740510B90195754932BB620261607141B1134113413026291172264419955lB8049937195B7743372B3062lB46122710771442121212467B22099215957195B9B41959454920271421135712239151"671504922492240222976416003999919606220270920B91749 1374 1133122B14965 14949221B422674195259233~196173B62B422543230716521705249B164252B0042363B212BO1269510248&.19625602256319B617B9141313191603llB964105024972227571510111004196363412646lBB41507 14139447B6lB06124B553303322937llB121051B19646075211714049B590B6707024093481202205415B9691409347196559642657114690BB14B51128812313243B52657220201186199643196667BO19761536131B1224122416739095313091921620BB51121189621967393B1514141B141B132311341103146722B21725BOl303361601310574196B463522261943187317971797lB0615275301032562B16BOOB3949356196936091544B326B36B27691422104511516315B19B596492253741970297B1166B297B47297351027107B2177BB21B2519171B666720719714965320421531355973B9210163550314092323930643137319761197255212916 23652109191017171611209793315822449lB997119901047719734544212213791129112B9419667BB226B34lB00819B14B7907795197435521456992B397456939441525B17143lB32715B99132317423AVG.53472331165613541135 101212541261926763 23046211B9130159227JI1I ItItI,
i1,JJ1)1J111}TABLE4.3:ESTIMATEOfMONTHLYfLOWSATWATANADAMSITE(ft3/s)(Souce:Ref.5,6)DrainageArea-5180SquareMilesAnnualYearOct.Nov.Dec.Jan.feb.Mar.Apr.Ma)'JuneJul)'Aug.Sept.Average1950506720831174847657607722960016527191331679169296678195130891064904793682 6191315117571751919057 166141775975981952445722111540130182573076145112716422280176641210079621953654828101381.9046826821314160852295917138174031276283891954451217001223106482565110121442221234172712201510795806019554297222516561457 120590498477702507423251217211194185401956396415411064809801777785159473023728301223701657610264195746442455173313811223984 98411472255201980817453165558684195865383164260815851064938124410700216621936318966631978461959385117351227 11741062803101513282197162108126174141048769196052512303178414991185983106313178131071944119896171798072-Po1961623024172168197214201465213114475246532073618662111738959I........1962472622751765160512571176145111181362482343220208129549856196355812478170113161201875761155262113729169211461082293091964523518091205856787579613360743031201621424177118320196548962376106185280179712161099521384234701765016465849719665398160812391085 1007 1007137273192647716569177909442752619673328123711551140106591788012703249742243626101138509149196840501948171316311572157215861300926103225542458972688966196931551363751617 60868612629327140941494878424339 4916197024721034721653615 63297495741481618835165867363619019711750257217361120796733832293327848 21312276501224884611972496925891990171615371402133416722281942027617723110229123197338521815119198198082384469152352015679173047687679919743010125186173365561282313459150461601213867115906493AVG.443520031422 116498087810911105923530 2046919137 114788137
TABLE4.4:ESTIMATEOfMONTHLYfLOWSATVEECANYONDAMSITE(Ft3/s)(Sauce:ReF.5,6)DrainageArea-4140SquareMilesAnnualYearoct.Nov.Dec.Jan.feb.Mar.Apr.MayJuneJulyAug.Sept.Average19503529148986764351347955774491271314665128955362509719512177791682 6065304879639128134871460612758137805833195231141576 1117954628563 58434872102117130 1357293826094195345451986 10096825305309621249817736 1310313369989664041954315112269007916285087561120316388 13207169418367617219553004158511961060100968273760241938817892167149258654619562777111779161761259560111451216522018815920 1188773511957324217431249 10099007377378907195831512713324 12843661719584550223418591153795·708918835416682 148471462648735967195927001253907871795617764103641513316226202471096967371960365116341281108787473579110227100651491215309133056166+:-196143231716154914181038106815251125619121159461433986606830Ico1962328118001400 1300 100094012001000028320 20890160009410796219634326220014001000850760 72011340 1500022790181909187731419643848130087764458642946528063463017040 1151053526624196531341911921760 78070910978818164301835013440129106605196631161000750 700650 65087543871850012200126806523516919672322780720680640560 5139452196201688019190102806803196830841490133212321200 1200 12239268195001748010940541061131969240610636185084855489987471123301351065973376415919701638815543437426 4638877580990913900 1232052114511197121551530104873150347052919152197018130227109800679119724058205013711068922881876969420000166901562094236888197327091309881737737628643531918048118341316158655158197421149126465595074786241048811585121901051388804958AVG.315814601037850726657822835517952159891451588086194I,IJ,II
J1111)JTABLE4.5:£STIMATEOFMONTHLYFLOWSATDENALIDAMSITE(ft3/s)(Sauce:Ref.5,6)DrainageArea-1260SquareMilesAnnualYearOct.Nov.Dec.Jan.Feb.Mar.Apr.MayJuneJulyAug.Sept.Average1950165163533322616514918629037470104068217202928641951976296245209173153380357376861039681455442314019521443679454375219188 1981331979810880857036753151195321638814012451731733794926887710106846738813389195414625073482962191632794406850010127 1029432693323195513886834924264012452712335934011027101803625336819561274454296214212 20420645059975114699778468036061957150876051840134827127134851384412442108915098415319581846877506345230188306187097691039977662295303319591267529264 209161981192657101649697958134233181~19602029949718562411347 3444212608710293919759373424I19612321860661492382 3965903908801894198459523333951D1962170082054937331829235826001141110991106284656372519631452603403343331237227444884731230511062443636931964 1329438281203199154174114314109849673183289309419651959840324251212 2383613113609182316958795630441966155647137731930130142024479096948178524013305319671064402376 3823542982944026920411012 1269544003709196812081261474 464441441 441430898021323010793272137991969765452213179177 1873092324863998484274248024871970123356338932527424234928016369981674072554269319711015687469281208195221913980311315118304009341219721317640557521479432 400536488051139592343241353219739964703022502362112131495725793438376294426741974112855742635931327331934266620105701017962023364AVG.1442653415330277 2433053141900810508912640603292
-
-
TABLE 4.6:YEARLY PEAK FLOWS OF RECORD -(Source:Ref.5,6)
Gold Creek Cantwell Denali Maclaren
Peak Peak Peak Peak
3 3 3 3
Date ..!U2.Date ~Date ft /s Date ft /s
8/25/59 62,300 6/23/61 30,500 8/18/63 17,000 9/13/60 8,900 -6/15/62 80,600 6/15/62 47,000 6/07/64 16,000 6/14/62 6,650
6/07/64 90,700 6/07/64 50,500 9/09/65 15,800 7/18/65 7,350
6/06/66 63,600 8/11/70 20,500 8/14/67 28,200 8/14/67 7,600
8/15/67 80,200 8/10/71 60,000 7/27/68 19,000 8/10/71 9,300
8/10/71 87,400 6/22/72 45,000 8/08/71 38,200 6/17/72 7,100
-
TABLE 4.7:UPPER SUSITNA RIVER BASIN PEAK DISCHARGES,(ft 3/s)
(Source:Ref.5,6)
Recurrence
Interval Susitna at Susitna near Susitna near Maclaren near
(years)Gold Creek Cantwell Denali Paxson
5 67,000 42,000 19,500 7,300
10 78,000 48,500 23,200 8,200
25 90,000 56,000 27,500 9,200
50 101,000 63,000 32,000 10,100
100 111,000 69,000 37,000 11,000
4-10
-
-
-
-
-
-
_.
_.
.....
-
...-
-
-
..-
...
-
-
..-
.-
TABLE 4.8:SUMMER PROBABLE MAXIMUM FLOOD
(Source:Ref.5,6)
Project
Maxi~m Inflow Maxi~m Out flow
ft /s ft /s
Watana 213,000 186,000
Devil Canyon with
Watana 223,000 218,000
TABLE 4.9:SPRING PROBABLE MAXIMUM FLOOD
(Source:Ref.5,6)
Project
Maxi~m Inflow Maxi~m Out flow
ft /s ft /s
Watana 223,000 192,000
Devil Canyon with
Watana 226,000 222,000
4-11
TABLE 4.10
Typical USGS Suspended Sediment Records
(Source:Ref.14)
SOUTH-CENTRAL ALASKA
ISZ91000 SUSITNA RIVER NEAR DENALI--Continued
MAIER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1957-66, 1968-69,1974 to current year.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURES:August 1974 to current year (seasonal).
INSTRUMENTATION.--Temperature recorder since Aug.Z9,1974.
REMARKS.--No record Dec.3 to May 31 when temperature senSOr froze in ice.
EXTREMES POR PERIOD OF DAILY RECORD.--
WATER TEMPERATURES:Kaximua.11.0·C June II,~977;minimum.O.O·C on most day,during winter periods.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURES:Maximum.11.0·C June 11;r.inimum.O.O·C on most days during winter period.
WATER QUALITY DATA.WATER YEAR OCT08ER 1976 TO SEPTEMBER 1977
SUS-SUS.SUS.SUS.
PENOEO SED.SED.5EO.INSTAN-COLOR SUS-SEOI-FALL FALL FALLTANEOUS(PLAT-PENOE!)MENT OIAM.OIAM.OlAM.DIS-TEMPER-INUM-SEOI-015-,FINER ,FINER ,FINERTIMECHARGEATURECOBALTMENTCHARGETHANTHANTHAND.\TE ICFSI 10EG Cl ONITSI !MG/LI IT/DAY!.002 MM .00"M'".008 H'"
JUN
01 •••113Q 3970 630 6750 2 6 10JUL
oa •••2..00 11590 8.0 1510 35000 7 11 18AUG
11 •••1600 13700 5.0 1..20 52500 9 16 23SEP
26 •••1830 1890 3.5 5 124 633
SUS. SUS.SUS. SUS.SUS.SUS.505.SUS.SED. SED.SED.SED·.SED.SED.SED.SED.FALL FALL SIEVE SIEVE SIEVE SIEvE SIEVE SIEVEOIAM.01AM.I11AM.OIAH.DIAH.01AH.OIA"'..0IAH.,FINER ,fiNER ,FINER ,FINER ,f'lNER ,FINER ,fINER ,FINERTHANTHANTHANTHANTHANTHANTHANTHANDATE.016 "'14 .031 14M .062 HM .12S M'".250 HM .500 "'"1.00 MM 2.00 1'1'"
JUN
01 •••16 27 44 61 78 90 97 100JOL
08 •••33 49 S7 63 72 86 97 100AUG
11 •••33 47 65 80 9)99 100SEP
26 •••32 47 73 98 100
4-12
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
_.
-
....
....
TABLE 4.11:SUSPENDED SEDIMENT TRANSPORT
(Source:Ref.5,6)
-
,..
Station
Susitna at Gold Creek
Susitna near Cantwell
Susitna near Denali
Maclaren near Paxson
Sediment
Transport
(Tons/year)
8,734,000
5,129,000
5,243,000
614,000
Init ial Unit
(~~;f~~)
65.3
70.6
70.4
68.6
,...
TABLE 4.12:RESERVOIR SEDIMENT INFLOW
(Source:Ref.5,6)....
Upstream Sediment Inflow Sediment Inflow
Dellelopment 50-year Volume 100-year Volume
(acre-feeE)(acre-feet)....
Dellil Canyon None 252,000 497,000
Denali 138,000 272,000
Vee 94,000 186,000
Watana 35,000 70,000..-
Watana None 204,000 403,000
Denali 102,000 202,000
Vee 59,000 116,000-Vee (2300 feet
W.S.El.)None 162,000 320,000
Denali 44,000 87,000-Denali (2535 feet
W.S •El.)None 290,000 572,000
....
..-
..-
Note:
50-year unit weight of sediment is 80 IbS/ft~.
100-year unit weight of sediment is 81 Ibs/ft •
4-13
TABLE 4.13
Typical USGS Water Quality Records
(Source:Ref.14)
SDUTH-CESTRAL ALASKA
15292000 SUSITNA RIVER AT GOLD CREEX--Continued
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1949-58,1962,1967-68,1974 to current year.
PERIOD OF DAILY RECORD.--
WATER TEMPER~TURES:June to September 1951,July 1914 to current year (season.l).
SUSPENDED-SEDIMENT DISCHARGE:May to September 1952,June to September 1957.
INSTRU1>IENTATlON.--Temperature recorder since July 30,1914.
RE~~RXS.--No record Oct.1 to May 23 and July 9 to Sept,30 due to recorder malfunction.
-
-
-
-
-
WATER QUALITY DATA.WATER YEAR OCTOBER 1976 TO SEPTE~BER 1977
DATE
OCT
01 •••
MAY
10 .
18 .
JUN
14 •••
JUL
Z8 ...
AUG
10 ...
INSTAN-
TANEOUS
OIS-
TIME CHARGE
(CfSI
1400 S340
1830 3760
1000 14Z00
1630 S2000
1730 ZIOOO
1430 20000
SPE-
CIfiC
CON-
DUCT-
ANCE
(MICRO-
MHOS)
102
163
AIR
PH TEMPER-
ATURE
IUNITS)(DEG Cl
6.8 17.0
TEMPER-
ATURE
10EG Cl
3.S
1.0
8.0
14.0
IZ.O
COLOR
(PLAT-
INUM-
COBALT
UNITSI
4S
Z'S
DIS-
SOLVED
OXYGEN
(HG/LI
1Z.2
11.1
HARD-
NESS
(CA.MGl
(MG/LI
36
7S
NDN-
CAR-
BONATE
HARD-
NESS
IMG/LI
13
30
DIS-
SOLVED
CAL-
CIUM
(CAl
(MG/LI
12
Z3
DIS-
SOLVED
MAG-
NE-
SlUM
(MGI
(MG/Ll
4.3
-
-
-
-
DATE
OCT
01 ...
MAY
10 .
18 .
JUN
1 4 ...
JUL
Z8 •••
AUG
10 ...
DIS-
SOLVED
SODIUM
INAI
(MG/LI
2.4
3.6
OIS-
SOLVED
PO-
TAS-
SlUM
IK)
(MG/LI
1.1
4.4
BICAR-
BONATE
(HC031
,IMG/Ll
Z6
55
CAR-
BONATE
(COJ)
(HG/LI'
DIS-
SOLVED
SULfATE
(S04)
(HG/LI
4.7
14
01S-
SOLVED
CHLO-
RIDE
(CLI
(MG/Ll
15
S.4
OIS-
SOLVED
fLUO-
RIDE
If I
IHG/LI
• I
.1
DIS-
sOLVED
SiLICA
(S1021
(HG/LI
S.2
4.9
DIS-
SOLvED
SOLIDS
(RESI-
DUE AT
IBO Cl
(MG/LI
63
76
DIS-
SOLVED
SOLIDS
(SUM Of
CONSTI-
TUENTSl
(MG/Ll
'S6
130
DIS-
SOLVED
NITRITE
PLUS
NITRATE
(Nt
(MG/LI
.06
DIS-
SOLvED
DRTHO.
PHOS-
PMDRUS
IPI
(MG/LI
.02
.OZ
-
-
-
-
.....-TOTAL
ALUM-
INUM
(ALI
DATE lUG/Ll
TOTAL
ARSENIC
(AS)
lUG/Ll
TOTAL
BA"IUM
(BA)
lUG/LI
TOTAL
CAD-
MIUM
(COl
lUG/Ll
TOTAL
CHRO-
MIUM
ICRI
IUG/L)
TOTAL
COPPER
(CUI
lUG/Ll
TOTAL
IRON
(fE)
luG/L)
DIS-
SOLVEO
II<ON
If E)
(UG/LI
TOTAL
LEAD
iPS)
luG/Ll
TOTAL
MAN-
GANESE
(MN)
lUG/LI
DIS-
SOLVED
MAN-
GANESE
(MNI
IUG/LI
TOTAL
MERCURY
IHG)
lUG/Ll
OCT
01 •••
MAY
10 .
18 .
JUN
14...
JUL
Z8,••
AUG
10 ...
14000
13000
5
12 500
<10
<10
30
40
4-14
50
SO
ZOOOO
180DO
100 100
<100
370
3Z0
40
180
.Z
.3
-
-
-
-
TABLE 4.13,(cant I d)
Typical USGS Water Quality Records
(Source:Ref.14)
.--SOUTK-CENiRAL ALASKA
15292000 SUSITNA RIVER AT GOLD CREEK ··Continued
llATER QUALITY DATA.llATER YEAR OCTOBER 1976 TO SEPTEMBER 1977
,..-SUS-SUS.SUS.SUS.SUS.SUS.
PENDED SED.SED.SED.SED.SED.
TQTAL TOTAL SUS-sEDl-FALL FALL FALL FALL FALL
MOlyB-TOTAL SElE-TOTAL TOTAL PENDED HENT DlAM.OUH.011.1'4.DlAM.011.1'4.
DENUM NIC~El NIUH SILVER ZINC SEDI-DIS-..FINER ..FINER ..FINER ..FINER ..FINER
(HOI (Nil (SE)lAG)(2NI MENT CHARGE THAN THAN THAN THAN THAN.....DATE lUG/Ll CUG/Ll lUG/Ll fUGAl fUG/ll (HG/Ll IT/DAY).002 MH .004 14M .OOB 14M .UI6 14M .031 14M
OCT
01 •••let 144
MAY
10 •••120 1220
18 •••1110 42600 7 9 17 27 44-JUN
14 •••SO <10 80 915 128000 2 I,6 11 22JUl
28 •••394 22300 II,19 29 ""54
AUG
10 •••0 <SO <10 80 656 35400 13 19 27 39 52-
SUS. SUS. SUS.SUS.SUs.SUS.SUS.SUS.SUS.SUS.SUS.
SED.SED.SED.SED.SED. SED.SED.SED.SED.SED.SED.
FAll FAll FAll FAll FAll SIEVE SIEVE SIEVE'SIEVE SIEVE SIEVE
011.1'4.DlAM.DlAM.DlAM •DlAM.011.1'4.0IAM.DlAM.DIAM.011.1'4.OIAM........FINER ..FiNER ..FINER ..FINER '1\FINER ..FINER ..FINER '1\FINER ..FiNER ..FINER ..FINER
THAN THAN THAN THAN THAN THAN THAN THAN THAN THAN THAN
DATE .062 14M .125 MH .250 14M .500 14M 1.00 1'414 .062 101101 .12S MM .250 14M .500 14M 1.00 14M 2.00 101M
OCT
01 •••
...-MAY
10 •••44 64 87 99 100
18 •••63 76 90 99 100
JUN
14 •••40 62 84 97 100
JUl-28 •••70 80 92 99 100
AUG
10 •••65 74 86 9S 98 99
TEMPERATURE IDEG.Cl OF llATER.llATER yEAR OCTOBER 1976 TO SEPTEMBER 1977"'-
DAY MAX MIN HA~MIN MA~MIN MA~HIN MA~MIN HAX 14IN
APRIL MAY JUNE JUly AUGUST SEPTEMBER
..-I 6.5 3.5 9.5 7.5
2 6.S 3.S 10.0 7.5
3 7.0 4.0 9.0 7.0..5.0 3.5 9.0 7.0
5 5.0 3.0 9.0 7.0
6 5.5 3.5 10.5 7.5
7 6.0 4.0 11.5 8.5
8 6.0 3.5 12.0 9.0
9 5.5 4.0
10 6.0 4.0
11 5.0 3.S....12 4.0 3.0
13 5.5 3.0
II,5.5 3.5
IS 5.0 4.0
16 6.0 4.5,,-17 6.5 4.5
18 5.0 4.0
19 6.5 4.0
20 7.5 4.5
21 7.5 5.0"..22 6.5 5.0
23 7.0 5.5
24 5.0 3.5 8.5 6.0
25 6.0 2.5 9.0 7.0
26 7.0 3.0 9.0 7.0
,,-27 7.0 ...0 9.0 6.0
2'3 7.0 ".0 10.0 7.5
29 5.5 4.0 9.5 a.o
30 5.5 J.5 9.5 7.5
JI 6.5 ....0
WO!'l;o1 7.0 2.5 10.0 J.,.2.).,.-4-15
-
-
TABLE 4.14:ICE OBSERVATION DATA fOR SUSITNA RIVER -
PAXSON
Measurements made on Maclaren River -
River lee River Ice
Width Thickness (ft)Width Thickness (ft)
Date ~Least Greatest Date (ft)Least Greatest -
11/17/60 50 slush 1.1 12/06/63 Missing 2.2 2.8
01/03/61 48 slush 2.7 03/12/64 45 4.7 5.2
05/01/61 17 slush 2.0 12/04/64 48 1.7 4.0
11/26/61 Missing 0.8 1.4 02/08/65 46 3.0 3.6
01/20/62 Missing 2.0 2.5 01/21/67 50 1.5 2.4
01/07/63 Missing 2.0 2.3 03/27/68 108 2.4 3.4
02/19/63 Missing 2.8 3.3 04/16/68 60 4.7 5.2
04/04/63 50 3.3 4.2
CANTWELL -Measurements made on Susitna River
River Ice River Ice
Width Thickness (ft)Width Thickness (ft)-Date i!lL Least Greatest Date ~Least Greatest
04/10/62 320 0.6 4.7 03/12/64 220 2.6 4.3
01/07/63 Missing 1.3 3.8 02/08/65 250 2.7 4.2 -02/19/63 Missing 1.5 4.0 01/21/67 280 3.0 5.3
04/04/63 220 1.8 3.2 03/28/67 80 2.3 5.2
05/02/63 290 2.1 2.7 03/23/70 212 3.1 4.2
12/23/63 100 1.1 3.2
GOLD CREEK
Measurements made on Susitna River -
River Ice River Ice
Width Thickness (ft)Width Thickness (ft)-Date i!lL Least Greatest Date i!lL Least Greatest
03/18/50 210 2.1 3.9 03/15/61 310 1.5 4.0
12/28/50 80 1.3 3.2 01/04/63 Missing 2.3 3.1
02/21/51 95 2.1 4.2 02/20/63 Missing 3.0 4.6 -04/01/52 360 1.9 4.2 04/05/63 220 3.4 5.7
03/18/53 332 1.1 3.9 12/23/63 Missing 1.5 3.4
12/19/53 299 0.4 3.4 02/19/64 270 1.8 3.7
02/11/54 472 2.0 4.6 01/12/65 170 1.6 3.8
03/30/54 424 3.4 4.8 01/19/67 130 2.3 2.8
04/24/55 360 1.6 4.3 04/08/67 155 2.7 3.9
01/05/56 155 1.9 4.6 04/15/69 582 1.6 4.2
04/17/56 130 1.5 4.1 04/01/70 290 2.5 3.8 -
-
-
4-16 -
-
TABLE 4.14 (Continued)
SKWENTA...Measurements made on Skwenta River
River Ice River Ice....Width Thickness (ft)Width Thickness (ft)
Date .illl..Least Greatest Date (ft )Least Greatest
03/14/61 270 slush 2.9 03/16/64 200 slush 2.9
05/03/61 320 1.9 3.8 01/13/65 95 0.8 1.9....01/18/62 Missing 2.4 3.1 03/19/65 85 2.9 4.4
03/09/62 Missing 2.3 2.9 02/01/66 250 slush 2.6
01/02/63 Missing 1.5 2.5 02/14/67 220 slush 2.7
02/18/63 Missing 3.2 3.7 03/29/67 120 2.3 3.1
04/05/63 235 2.9 4.1 03/26/68 230 2.2 4.0..-11/27/63 Missing 1.0 1.6 04/01/69 118 1.9 3.0
01/23/64 Missing 1.9 2.7 01/19/72 165 slush 4.5
,.....
TALKEETNA
Measurements made on Chulitna River
.....
River Ice River Ice
Width Thickness (ft)Width Thickness (ft)
Date .illl..Least Greatest Date i!lL Least Greatest....03/15/61 125 slush 5.0 01/18/67 170 1.2 4.9
11/27/61 Missing 0.7 1.8 04/09/67 190 2.4 4.4
02/02/62 Missing 2.0 3.0 03/26/68 260 slush 3.1
03/29/62 Missing 2.8 3.0 12/23/68 278 open 2.2-water
01/03/63 Missing 2.4 3.5 04/04/69 165 0.2 3.0
02/18/63 Missing 2.8 4.2 03/31/70 190 0.9 3.5
11/27/63 Missing 0.2 1.8 04/01/71 200 2.2 5.3
01/23/64 Missing 1.8 3.1 01/18/72 195 0.5 2.4-01/12/65 180 1.3 4.2 04/17/72 145 2.3 5.0
,....TALKEETNA
Measurements made on Talkeetna River
,,-River Ice River Ice
Width Thickness (ft)Width Thickness (ft)
Date .illl..Least Greatest Date .illl..Least Greatest
.....01/04/66 182 slush 3.2 12/21/68 207 1.4 2.1
01/29/66 155 1.0 3.2 04/03/69 210 open 3.3
water
03/16/66 135 0.7 3.0 04/01/70 218 1.3 2.3
04/07/67 170 1.7 2.9 03/31/71 285 1.1 2.8.-01/10/68 245 0.7 2.3
.-
4-17
TABLE 4.15:PMF ESTIMATES AT OTHER DAM SITES
(Source:Ref.5,6)
Dam Site
Denali
Maclaren
Vee
Susitna III
Watana
High Devil Canyon
Dev il Canyon
PMF Estimate (ft 3/s)*
120,000
141,000
177,000
183,000
233,000
264,000
267,000
-
-
-
-
-
-
-
TABLE 4.16:RESERVOIR SEDIMENT DEPOS IT AT DAM SITES
(Source:Ref.5,6)
-
-
Dam Site
Denali
Maclaren
Vee
Susitna III
Watana
High Devil Canyon
Dev il Canyon
*Withoiut upstream dam.
50-Year Sediment
Accumulation (Acre-feet)*
290,000
243,000
162,000
165,000
204,000
248,000
252,000
4-18
-
-
-
-
-
-
-
-
il1j;;I;)I111•r1)\•1,10,000100025lO2050100EXCEEDENCEINTERVALINYEARS.-'~I::::---0(.)'""(.')--"--r-CurveI'-If_....,-,<,:"It:')f.'\."..-/01-<:)0I.ICurv~20-.IV~r--.:a:r::±~'-'...-.-...-~.. . .-......-....'...-I---...........-~--......~-';".----a......-.....1r:-:-.-..,... .-.:..-..-....-.....-,....0.......-..'-......~,......-..-......NOTES..............I--..... .......-.-._...--.....I •CurveIbasedonannualflows......-...01---exclusiveof1969wateryear.FIGURE4.1.-._.-....2,Curve2basedonannualflows.-.-.....ANNUALLOWFLOWFREQUENCYinclusiveof1969wateryear...--._......'...SUSITNARIVERATGOLDCREEKI-...-...---......(SOURCE:REF.7t8)............,..-.._.........-"t'•.1000zoo50030040010,009008007000600-.-=u.UJ0::U«(J).p.0I0........1.00-u..I.L..0IZ::>ex:-J<1-::>2Z<:(
24.00J--+-I1--4-'-4--.--t--III-+---f-t---t-,.p.INo29.00~IFIGURE'4.21SYNTHETIC32-MONTHLOWFLOW.,.:FREQUENCYSUSITNARIVERATLL2100.--I-GOLDCREEK..U<l19.00..r--.:.'.,,'",','"(SOURCE:REF.7.,8)J:::~~I_·.·7~'-~~J.·..;-:;~.•..•.•.~.''_.-.--.~:~~:::,:,:.::'~,::':'~~~-:~:~::_:.:-.~-=-._.:':-::::::.:-SLIPERPOSITlOHOfTtlE32-~OHTH~15.0~·l';~;,',':",:,'"-:.,-;:,.':::~;~>:-:'0.:I::::>SUSITNACRITICALPERIODVOLUWE0:-::-::-::~':-,':.::~f-4L"':'::;~.OFRUNOFFREVEALSARETURttPERIOD()14.00_,:_,.;.,:.,.:c.:'"~_::.::.:::·?NL'-INEXCESSOF"00YEARS17~~_~~~~~~;:,~~~~"',"-~~::,::'::::::~>~:__1~7-._'. _'t',::.UJ-,'_.., ,-.... " - -----,,.-- ,~,_.,,"-~:::::s~;~ie':.:;.-.'-':::.:'::"~-;::;;;-~-~~#~~r;--,_-;f~~,~~-_~~~yr~~;-~II.00;2i=:;~.~f--~:-<"-:.ij;=-~.·f~~~.•:.~~..~;:=-~~~..•·l~.~~;I~;~_~,V)1-'-l--4---+---J--1--f--f--+-+--+--+--+-t--t---+---1r-----t--t--t--r-:-~r-~~=-:~~.=:=~_.=-~_':':~=~~~:,~_~~-=_~~~~:=-ii:":~:::~~~~.:~~:~~::'~:~,-.~=~~'~=-~-_~~~~~~=-~~:--~-=~II.II I-.-.---.-._-.--,.----.--....,...,-.-,.--.., .-'--.-,.......-,-, ",-..- -..-..--,,..-.----'.-.-..--.,-.-_~---t----:0.00510201002005001000EXCEEDENCEINTERVALINYEARSJI•\,JtIIt,t,,•
ll)1J}11)111)I}J,."~.~••c__~,_~~..~,IlI-f--.--~--l-I I I I II~EXCEEDENCEFREQUENCYPERHUNDREDYEARS99,999,8 99.59990 9590flO70605040'3020105Z10.50,20,'I,..II·q.dI ,I·I , ,I II·T ,..,.dd--~~.WfES:1.F~eqUen~',\nalys;sisbasedor.23rearsofrecord(1950-1973)'=::==;2.Fr'equenq:Curve""35cmputedusingtheLogPearsonTypeIII~£thod"'-"--~fIIiI I I I I I II'"'-----~~:==~f----- •"'-..'-<I~•--t-o-_.,.--i-3-····1--·"t---=t··-.'I··'I-·'t-·'-J·'--I'._-----.--_..-..........----.--.-..._...._..._--_"'''''''-........__r__......__FIGURE4.3(Source:Ref.7.8)PeakDischargeFr~ency1--l--+-.J---~----I---1---I--t--+-+--+---t--:--t--r---;.SUSn1-JARIVER1-1---IIAtGoldCreek17""~"-"--..~100,000_~to,000f.'J,:J---'to.OOOV_::-_:.'.....70,0001_____-,=:. _I..k:t{:).~-=...=:..-=:-_:.:-:.._.-tlC,OOOl?\;.:~~.liO,OOO......~0PI I1--I-"-,;U)(.Jr.{L.:'~·(:::;:D\J,_-I....:40,000._....•.c........~_._I.::::.::..::::':-:_':.:...-::i:::~~:~~~~:~;g~.~.,.;:~-~.~:c:~~i:::c~cc;:L~~~~=~~~-l=:oIN-'I0,000IIII I I I I I I I I,I I I,"I1.01I.I2 5102050100EXCEEDENCEINTERVALINYEARS1000,
!TALKEETNA4-222.0
PRECIPl-:~~:.:-,:::::'::':-':"'::":::::::::::::':':::::''q..III"'I':":::'":'....,......"..,.,"jIIIrPREc;pn~no""""EI:':~~~"T~1Wt"~320,000-Lr_NO=-:-:R::-,M.."A-:::L,....M_A_X_I-:M:-:U:-:M:-:::-P-::O-::O-:::L-::-. _.._._._._._._.._._._._._._.._._._._._._.._._._._._._._.._._._._._..-"Z"'(LEVATION,',,......,,•...,::::'......,.,:2ao,oOOELEVATION'2200FEET.....~~..J-,···················f··········\./'-lL-,/"''-'---....-.....;/'r~~oui-FLO~""""""".~~-..:.:-:..WATANA~-f-'-_II~-1';--"",,-120POO·S··········/TEMPERATURE.--Jao.ooo·············_.".;:-:-:-,.r,-r---'r-~oJL.....1-'r-.~..r---II~~...----IJ1...---',---1I'----'-IL-J'---'--_oJ40000--:-':\.-__'" " . . ......~.J---l160,000.200,000' '.INFLOW240.000-'",/.0·..·,..................................................................................""',-~."•.,~----",....._............__...._.......__.__.----------_--_0__-.-_----.----..--_.,,-.._!~-t!~!'!!'!?!~!~!!"!!:..!!!~~,~~~~~~~~~~;~~~~~~~~:::~~,,,,..',,•',,:..,,,':',..',,'I"rI',I", , ,,.,"'•••:' ,..,,"••••,••••,••'••'II'II[''IIPR'~'~'~A~iO;..' ,,,, '.',ELI~Vr.::,..".~:i~~;~T10N320.000····. " - - "..,, . ' " " .'"" "' ,..'" . "f.'~" " ,'""14552TEMPERATURE.-./ELEVATIONINDEGREES,FAHRENHEITNORMALMAXIMUMPOOLELEVATION•14~0FEET280,000---'--'--"-'-'-'==~---....L---------------------.J240,000ce,.'', .DEVILCANYONWITHWATANA.0························.FIGURE4.5UPPERSUSITNARIVERBASINSPRINGPROBABLEMAXIMUMFLOODHYQROGRAPHS.~UTFLOW."::(".--'---~"".. .f'l'...JL-,r'---......-..y.:..:_'It'/FlOW'.-:-':"':'-:-:-:-.'7-:-:'----....:.~......--'I'"r-:~.~_-J160.000(.(>,-f-J120,000·········'50~.TEMPERATURErJao.ooo..:.·.······'40. -r.:~y.-:--:'_.'---r-.....r-.J'--J''--~_r----L.-JL-_r-~--'40,000·········3c. _'\'".200,0007D.;.;.".~.~~-"~•=;==,:~:~......,.~..~"•,•ttc~~~.,~,,•~,~t••••(~~~-.~-...--"-<<..DEVILCANYONANDWATANAPROJECTS,z;;.;,.(Source:Ref.7,8)4-23
PRECIPl-.•".•TATIOIiININCHESFlfr.s.1N.,.,..,..,.,..•,.,.•,,.,.'.,,,,.,,..,,..,,".•,•,.,,•,,.,•..,...•...•IIII'II'III'••360.000•.............................................................•..•..............•...................320.000"..' "".280.000...;cS-_NO=-R::/_~A_L:::.....:M_A.......X_IM::.U:,.M_=_P:,.O=O-:=:L:::-_ELEVATION'2200FEET.',,,."'I[I[IIrlf[r""·'.."·",,,"..EL~~A;k~~2210.-..--". .PRECIPITAT10.'•.......................~,o"::::'..23WATANAINFLOW80.000.~......f-'--l.J~:::I......'r.:.r-l/TEMPERATUREI,---...•.•...]1'.••.••.•.••.••••••••.••...••••...'7'".-:":>.• • . • • • ..•• . . . • •.•.T..'............................•..........................................................•.•.••.....I'r---r-~..JL~'-1r--.r----,I--~-.~----I f1.--""__J,-~IL-J'---'----'40,000'..:..J'~__..J•••••••••••••••••••••••••••••••••••,••"••.••••••" • "••••'.'""'-.-r120POO.160.000240.000,200.000'0··'.~~~~~~~~~~~~~~~~~~;~~~~?~~~~~~~~~~~~~i~~~'~~~~~~~~~~~~i~~~~~~~S~S~i~~S~~i~~~~~~i~~~~~~~~~~~~!ti£~~tt!~~~~!1fit~!f!l:£~~lltr~£li~fIEl::~~~L~~~~~!i~~i!ltiL~itiL~~ttfti::tl::!i~::£t~~~7=:::::::~::~::::6~~~~~~~~~~~:::-::~~::~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~;~~~~~~~~~~~=::~=~;~----~---~---#~••~.~'~~c<~---~#••~~~~:::~::__~~:~~::~~~~~~~~::~:~::::~~~~:~~~z;~~;~-;:~~280.000PRECIPITATI·)N....ININCHES_23240.000eo.....................................................DEVILCANYONWITHWATANAFIGURE4.6UPPERSUSITNARIVERBASINSPRINGPROBABLEMAXIMUMFLOODHYOROGRAPHS.~UTFLOW..J~-"\..-... .f'I'-.-'L,r'---....~...... .. .............. ........-:--:-:--:--:-.-:--:-.~..,,-INFLOW-~,-~I"-t•••~~•••••••••••••••••••••••~_-J·JO········.r--.r--I,...-""...•.•.....•....................................•.'1'....'"TEMPERATUREr--J80000········ADr:/.;:-.-:-:'.Ir-......r-..J,-__r-~,..---J-I,-----IIr---'_--1.......-_J-.--''---40,000·30'".160,000·····60.120,00050200,000.0·····································.;"'i:.;'.,•#..'•-!;~",-:~•'"••~'1.-'"'"---'DEVILCANYONANDWATANAPROJECTS(Source:Ref.7,8)4-24
1iII};i\Il'..1}II,J;".•1, •1ft1 [Jifii[J[f!i ,...L If-..._.t-----+-+-....."....:I.~r.'_0"1__----L~-I----l-'r-I-+-'+--'I..t .-----.............~...-----.-...•..·1-----1---1--1-'-·_·."':"+=::'1='FIGURE4.7I---,-t--t--t-IH-',t-:-:-~':+-.J-I..~...._..(Source:Ref.7,8)'7""-:.!litIIIII..~-;=-=tSUSPENDEOSEOI~·:ErITSIZEAtiALVSIS'~::'__.If:..:__. -_.:LEGENDSTATION--·-V~[lP-.-..,-A!,,~:::~.~:r'"I"r-----"-'SUSITHAAtGOLDCREEK..~-'!#"/1I-:~-:-~.~::------SUSITHANearCANn~ELL.Vi..'~Y!lIJIO~~.:.:;:.-----SUSITNANearDENALI17t.- •~~-;-C~:-----MACLARENNearPAXSON-t-::.J---.~----I~~,'':",..,,.•J~""/itM~o-...... ..:.I-"L.~'w::-"...... - ,1-'f~~~,.,....Jt_':'.~'.:'.:::....:...'..:~:::.:..: !I....':....i//..~10.._......:::::.:/.-:::~...': ;- .'::':--.';~-:..1'1:...:.••:::...a""'~~••l.o-'I"":ZW.:'.!....-:-~...f-""A'~~".4(.._',:. .~,..._-~•~40;.~..:;:;ji:!.--f:;~;.s:-:...; :::.: : .~f5·10:-::;:;:....--,'-:.l~~....1::::l1Y....• .:.•.:..iz,........ ....!,....-...-i·..........,..&J:zo:.:~,:..l~_-.~_:.~--;..~~-.,~--:-t-10:-~~. . . .i : :1--'_----__..1.--..J1----.....I:.I~•..-....L..'II I 1 I I I I I I I1I I I I I I~~--"--1""+,.,._.-.....II~~~.i::::~::::~-j~_F.-I~·~+-~~,·--I·-r·,__,,....I·I·~/:':1':1.II:~>I·:.I:::I·I,~INU1...~·r-;---r--'~·-:~·..:R'·:·,'1"--1-; ,..+;·;--I~' .UH+f-rtrj·;~:....,~l:.::LI0.001J,1--'......,....::.1;':.1·1·I-,...~..I10PARTICALSIZEINMMS1i"l.,;\11II,.._.f---c-'.-.,.::~r·.,"r,.----~-.--...-f-...'.'=.:,~-=....:..:...:._~:..;.:-i"+--.:.--1-'-.-...--"FI'".•~--r----,~-""---------"'-----~~-r-"T"'""'r'""1:-r.,.--...,...-r-"T"""-r-.,.....,t""1'"'-'-"r-"1:-t1f-.--,.....-'.r--..•.•t-e-_'_-_"+--t~INU1'1..~.. • . •.1..'"·1·......i'_..I'-~~:j:;~;:::::..1:...!_..."............:'j.i...I.Cf+T~"I:-...:'..,..'1'u~-·_····,..r=jThItTi~;~.i-...0.001PARTICALSIZEINMMS
•"1n.;.:.I".)CO,)-'t•.,, •I•:i::-91H'.l,..-',..••I.. ...._.,-_.-H-r:::IIT:E--~..:-",.!...r'C..-~__•._--. ",'-,~~.~.,.0'.h_,...._...:T::~".'....,'--+-f•.." ,•',.~",0'.,.,..'.~.....i--_•.••.••,~---.' •......•~S••i....0.I,..0•~..'.--,-0;--+-.•••-,.• , .~•"........,.0-"-!-'~~..--.-'-0----r;.."';-:;;7'.1--.:;::,I.,t•••••••••,h.,I,••U1'1".TTI'~-·.....:-..I .1I .I-I-. .I~.'-~--r-l-'---iI.."0,.1~2..'••••Itri.··.u.lottl,.•II.~j-'+tt:--t.'.'.'_~L_~'•i.'i'.-··T-..I ".~,.::i';_I-l.~__TIT'!'..,...",..:r.:r+-->'.'..'"o••'0+ . . ,0-"••u....·<'".'0..'''--LL''.,'·t, ,-,iH·1i.,~,"t.~.~~."."..,~~':'.:_~'-".~'...t/-..-±r.."0!:•:.T'-..;'ITI'..l.1SUSI~-1t-.lI'".1......•."""°t.'0'--To-'"j::'i .-:to;I."'/0",,!''c''''-'''!'''', .'.,"'"-6'".,.·~L..:.....,,.:::.::TfiII:T-I::-+-~i_..~USlrM4.~OU~l:.~.-. :.:; .~:7°TtTt~:'.f--·t-,~,~.-....0" , "r'"0..•"~•,...~n,;.,."-'.'--+-1"'-'.~..,..,!I"Tt_.I.'.".I~'.~-__4~JII.'0.~t---...."...".,00.'···1.t•I .~.!••0'__"'---..-.-••~..••, •..,.1~••0,•0-;+;,~r'__,__:·-~c.,=•.--,c'..4+",0•,•!o!.UI+_+....+-j,_!...!. ,!,,;I;"Ttt''=.-''''T!"::":--~~'-~~:'I=!-++_e-+-'-:j:_-o,,-1':I.---~I--:-IT-!T-"r'~~>--+-.1,I~+--+.'-',....,....''-,~_,0'"0'r----r-~-t,,.I~~-i-~_J;H,-.--+--'~,,~.-7'5r-+-.iIIIIll',....'.'",."•0"'0.~.••••'o''I..;'I~=b-+-"~"'+I-+-.e-....,-r--i~--':r,.'P"~l,~..-.~.~~~.-~~:,.,!.:I'T1,I.'. I!II'..--~olt!.I~-----~t·..•·•·..-~.•-!.:.:K,1I,,;r.--,-,"t,":I..---~r--f-+,,----,---·=t.I=!"l·-'~=1~.'~;.-.......' I :iV!..j~~.~-Ud::11...,--:.:'i.A:?':!fl'ri.~t'·:---itt:-~-,~.-'--T-+--~..Jj:...-+~I,_•.l~rII::j'..j--V,---'r--I-t~l'. .r'.!.':.iII1 ,,:-r._-----~,~'--~'--".~0 •.1...','/"u1I,.:---'"''''i0,i!,I0._~!?~-l/r-'..i't'_LLt-t-+-,'.Tt-r:;;o_-';_'--~_.1.;I!~.,I.:~11;~nl+++,.iII·1''---:.,_,_../_.~"..I."~.~WL--f'IV_~'..II:~-:I!.,:ih·T-:_'...t-",•-..,-+-H."""7""7..~..'..:J~:'C"-:±-::J..-=-"~..,..-~,.0 0!, .I,'_.. t _--.i-';'I , .'f'-I:-----0---t..~__.=.:::r:::::r:-t',-.-,.'111.I_,. .:T-j'_.....-,_./'..---.l--f--.I Iri'---1---'--~_.L+i----t-T'.r--,II_.__,'_..,'00' '-._-•T4--"'~~¥-'..'..~+=='--,.i,0/,.,--.-e--,~-'-U"--or-t-.~~t--'---+"....,+111:__~o~_r7T~I: I.....-'_!L!'---+'---1--.---4-.~',..-j---r-'-_.'--',,_.1'ir.1"L0~__;..,_,VI'",.. .-~,.,1=---;-+-•'!_-'-J-:-'j-11,...''7--,-'Ft+""f-~T-~_,:".:r--;-J-r-.-,:j'L~f--'t'-FIGURE4.8':/..'Ir'-_.t'~SII I/...-r:V''.'.,,.,,...."1':,..c.•...uspendedRat'l;1(;!y:!11:•i'l1t·;1ngCurves••O'.,"'..."I'"'"_;iIi:..j,:'j':--.;.....-:1J"(Source'RfI~"II...r:I 1j'i1"1_.'e.78)•.......•I;I'..•••II'"~t!:ItOI•"••lQ"CIIQDI"'"••$UsnNot:DSEDI"£NTT.......I • ,I •.• •OMS/OAT._-',• • • ,•,.'.,1•~It.~I•I,J,I
!i').,;)\)l(.!I\I,')""r'.--I 1"1i, I.IIIIi,II• I. iir.j.,:..1-I:'I":"1. I----.i.V.:::-:I.:.7':'.100.000::,.I:';i••••."I .!.iP\..~~it---....;-'I--~i-'-H.H-:;.t!"!:~---,.'i.a•i;!II•••.:I..' .;:..:....L~__--i.-i.~J_'_I.Ll.JiI.J.'IU~i!_ ,~l'f-..I-r"...:--r-I'I~'. • •••• • •••...•.1 . ;~:~.~::FIGURE4.9I,:I I . ;iI;:~;i!':I~1..!'::Iilli.'.:.;. .~,/i..1.; '...L-L.1"·I'! .I .L'1..-1.II'I:I'J--=-..I;I It-H,;.(Source:Ref.7,8)1-~-r-~1!'r--r-;i-·-:·_·t~··:-t-~-+!'rTi--I--;-'r~-'-+tiir;"-,:..-';I;i;t ..:.!Ii!i.'·L!·!'::I•'jI!i;1:'.:.'.:I!iI8EOLOADRUINGCURVE;:.•,••~.:--_.•_••.-:-;.--t--.-ir·r'r-tt---r--._~-"--t-f-f--,rt-:-.;...;..!!I Ir1lor.,.IiI . I . .i.•iii......I • I • .II I. . •. •1.·..,-..SUSITNlRIVERNutDENALII:.1111.::::'.I!i:I:l'.:.I:.;'-I.:i;..';::_1.I,..,I .Hm"I.,..',J•ittJ·........":--.'I-~-.T7I .l'.....!I.-..I'..,•I ",....I'III ..,,'....-,'"I...•,-,.,...I_..•.i·I'"iIIt..'.....I.I'.,.1'-'._.......--.~I.I.•,.I0'..'4J---'..., .....•••...-,,,.,.lOJXlO~,,,-ii .'I:~::'"II• I.'1_....•il(;......,..i.'I,.,,I..,.L.'·1tI.,....i~i11:1,'....•;..I..i·!.I.I!b;__kjq:~f--..I . .I:!'....itk::.,".;.,.:.I',.:::I:..........i~:-i'"~Llllu):~::.I.:~::.i.iI~V:':i·..l.i'";:.:..·:i·...-.Ii~•:.-!I'!i'_....I:I.,II·J·I-1-11&1':!'.t;.III-~i1----.:-..::;........:-II .•. :I".tI'"I...:.-".'..•-I,P-'-:-.J;.~:_d:;ij;~~J.-~~-:~£e'~~-'1~.t.-E:-~:~E--L~~'~;I:::.::::.·:..:1'::.:.::::=.:L;.kI···=--=1:":'.'"I::::..=-:-:=:.. -···r::::::.:':--'=:.:.J:.::t---=:~~,~.•./••III.:'I';. IlII.;I!I .i:.II·,.!ill.--'''.;i'!:!iI ."I!i':J;1'1. .I'I I I I II.-L!........., ::';!'iiT!"!':~.<:.J,-/-_::-=.';".:~:~:--l--t--4--t-;--,i!=f--.-:T+.I I I I IIII·.I.-+---1-----'------··1··."f---_.H-1---+--'I I III·::ii.'!I ,.:i,.l....i·I.:._.-II-II:-+---\--f-H-t-irl:.V.!·;.:.·J.:~::·i.!i::!.jIIi...:..I;IIII11:;?k:'.j::>I1')---I1001a•,·1IIIiIQSEDIMENTDISCHARGEINTONS/D.\Y
-
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(Source:Ref.7,8)
I-------+---+----i"-'~......,.•",,'!lI"U_f'TLlIJ.'l.R J.)ObUPl]L,.C11"aC1E1~EJ4-"+-_'._+-._.'-+'-+-'+''---:'+-+-+-+++-+-t--+-1
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/IIII II
FIGURE 4.10
TOTAL SEDIMENT RATING CURVE FOR SUSITNA
,.•\---+---+---+---+-t-+--+-t-+-t-r-t-t BAS IN ABOV E GO LD CR EEK GAG E
:::.;l:I I'
"·J---+---1---+-+-+--+--+-+--,1-+---4-1-I1-+----t---1---+--t..........,...,...1f-+-+-+-1-4-t-t-t
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~00 11'M ,ono &OOll ~ooo I000O I000O 30000 40000 _100000 -TOTAL SEDlIol£NT DISCHaRGE TOi~S pfIf'CUSIC WILE
-
-
4-28
5 -HYDROLOGIC DATA FOR ALTERNATIVE HYDRO SITES
5.1 -Introduction
As part of the engineering studies conducted during 1980,preliminary informa-
tion on capital cost and energy potential were developed for ten alternative
hydroelectric development sites (see Figure 2.3)within the Rai1be1t but outside
the upper Susitna basin.This section briefly outlines the studies undertaken
to generate sufficient hydrological information at these sites and summarizes
the results.
5.2 -Streamflow Data
"J-,.
.....
"....
.-
.-
(a)
(b)
USGS Records for All Sites
The USGS currently operates 39 stream gages in the Railbelt Region.In
addition,there are at least 35 stream gages which monitored streamflow
within the Railbelt but have been discontinued or converted to partial
record stations.Among the base stations used to provide streamflow data
for the ten sites in the Railbelt area,the station on the Nenana River
(No.5160)(see Figure 2.1)has continuous streamflow records for 23 years,
from October 1950 to September 1973,and was subsequently converted into a
partial records station.The station on Snow River has only four months of
record and is not currently operated.Records at other stations vary in
length between these two extremes.Over 13 years of records are available
on Klutina River and for Chakachamna and Strand1ine Lakes,but observations
were discontinued after 1972.USGS field activities have included
discharge and/or stage measurements at the stream gages.
Streamflow Analyses
The inflows used as input into the Acres reservoir operation studies were
determined based on a streamflow analysis at eight gaging stations within
the Railbelt.Fortunately,most of the stream gaging activity has taken
place nearest to areas of human activity which until recently has been
predominantly in the South-Central province,including the Railbelt.The
existing data base used to estimate the input into the reservoir operation
studies is presented in Table 5.1.
The first six gaging stations shown on Table 5.1 represent the best data
for estimating the inflows to the reservoirs.Some periods of records were
considered too short to be used in reservoir operation studies.For these
cases,annual and monthly streamflows were transposed from stations located
on the same river or hydrologically similar stations loated on adjacent
rivers,using monthly and seasonal correlations of streamflows and/or
ratios of intervening drainage areas.The hydrologic criteria for
selecting similar stations included the proximity of the watersheds,the
orientation of the drainage basin and the direction of the main water
course,special features of the runoff such as glaciers and/or lakes
and,whenever possible,the size of the drainage area.Homer on Bradley
River and Lawing on Trail River were selected to extend the information at
the Lawing Station on Wolverine Creek and the Seward Station on Snow River,
respectively.The procedures used in extending the information at the base
5-1
stations are presented on Table 5.2.After expansion and/or
transposition of data~the length of the streamflow data used as input into
the reservoir operations varied between 13 and 27 years.Monthly
streamflow data is shown in Appendix F for the ten selected sites.
5-2
-
-
-
...
-
-
-
-
-
-
-
-
TABLE 5.1:STREAMFLOW DATA BASE
Drainage Period of Record
Aria Fran To Mean Ann~al
.....USGS No •Gaging Station River (rni )rno/yr rno/yr Flow (ft Is)
29Z7 Talkeetna Talkeetna 2,006 06/64 09/7B 4,000
5160 Windy Nenana 710 10/51 09/73 1,204
.......
2060 Copper Center Klutina BBO OB/49 06/67 1,6B6
2945 Tyonek Chakachatna 1,120 06/59 09/72 3,506
..-2369 Lawing Wolverine
Creek 10 10/66 09/7B B7
2439 Seward Snow 128 09/70 09/70 1,360..-OB/74 09/74
OB/77 OB/77
2390 Horner Bradley 54 10/57 09/7B 418
~L 24BO Lawing Trail 181 05/47 09/74 780
......
,-.
,....5-3
UlI+::>TABLE~.2:GENERATIONOFSTREAMFLOWDATABASEFORPROJECTSllESProjectSiteStreamflowDatalotalt'enodDrainageUSGSDrainageGeneralofGeneratedDamSite/RiverBasinArecNo.Station/RiverBasinAreaProcedureRecord2.2(years)(ml)(ml)Snow/Snow8~2439Seward/Snow128Correlationof~a1e272439on24801D.A.Ratio=0.668ruskasna/Nenana6~3~160Windy/Nenana710D.A.Ratio=0.9223Ketna/ralkeetna1,2~02927Talkeetna/Talkeetna2,006D.A.Ratio=0.6314Cache/Talkeetna7~02927Talkeetna/Talkeetna2,006D.A.Ratio=0.37148rowne/Nenana2,4~0~160Windy/Nenana710D.A.Ratio=3.4~23Talkeetna/Talkeetna8~02927Talkeetna/Talkeetna2,006D.A.Ratio=0.4214Hicks/Matanuska(3)9~02060CopperCreek/Klutina880D.A.Ratio=1.0817Chakachamna/Chakachatna1,120294~Tyonek/Chakachatna1,120D.A.Ratio=1.0013Allison/AllisonCreek0)62369Lawlng/Wolverine10Correlationof~a}e1~2369on23902D.A.Ratio=0.60Strandline/Beluga(3)~4294~Tyonek/Chakachatna1,120D.A.Ratio=O.O~13Notes:D.A.=DrainageArea1TYICorrelationCoefficient=O.~~(2)CorrelationCoefficient=0.90(3)StreamflowgenerationbasedonAdjacentRiverGagingStation,•,•,J•~••••,I,•I
,-,....
-
-
-
,e0-'"
.-
6 -CLIMATIC DATA
6.1 -Climatic Data
Climatic data,including temperature,precipitation,wind,cloud cover,
humidity,etc.has been collected by NOAA and others at a number of stations
within and adjacent to the Susitna River Basin.The location of the stations
and length of records available are presented in Appendix G.
Typically,NOAA records are presented as annual summaries with comparative data
for each station (see Table 6.1).Monthly summaries of the same are also
available for most of the parameters presented in the annual summary on a daily
basis with selected parameters presented on a 3-hour or hourly interval.A
summary of the available climatological data for the basin is presented in Table
6.2.
6.2 -Evaporation Data
The closest stations to the Upper Susitna Basin where Pan evaporation data is
collected are at the Matanuska Valley Agricultural Experiment Station near
Palmer and at the University Experiment Station near Fairbanks.The period of
record for each station is for the summer months in 1944 to the present with
several gaps in records.A summary of the monthly averages is presented in
Table 6.3.
6.3 -Snow Survey
The SCS performs regular snow course surveys and collect snow depth and water
equivalent data at a number qf locations within and surrounding the basin.
Usually one measurement a month is taken at each site during the winter months,
February through May.Appendix H lists the stations and period of "records
avai 1able.
6-1
TABLE6.1:TYPICALNOAACLIMATEDATARECORD(SOURCE:REFERENCE14)MeteorologicalDataForTheCurrentYearSI.'ion.SUH"IT.ALASKA•ZUI.SUHHITAI~PDOTStand.rdlimeultd:ALASKAHUlI1ude:61'20'Nlon.ltudo,I••'01'WEI...ltlon(ground):2J97.....VI.,:1976T'!nJ»f.lurtIFR.I.ti....fNumberofdav,A",r.PreclpilitionIn1ndte1humidity,pel.WindOegr.dlya,..UonB'Ie65'FTemperatur.·F........AWl'"E.ltWmeIW...,aqul'W.I~tSnow,let.-IMbResullantFHtenmile~IiSurvl.to..,.".~mbII1I-,-----IiIiI~.MllCimumMjnl"""mMon,.I<<~!..i1hSbfbiElev.JE§.~'IS18..~..1)rr!~hozO.I.10tJ~IHaf:1~I~j1.0'j;IIt11~IIifI!~I;n~.~ie~jA]si~]~Ilocalll..1Ii,~~~~f...:I:I!~'"i5!..i1m.LI.J'H9.0....2.0)410-16919J101.1l1.ll11-19.9.1II.'11·11.770H11ZIU10'.0II•11IZ70Z0Z9II10Ff.•.2-In.o\·J.III,-IIII101'0loll0.'0•19••'.7,..U.,IIIIOfIII••Il••7•0 00Z7Z9I.HU11.2Z.I10.230•-I.U169001.650.451-.•••1'.7I1567I'07Il'.0••II,II•0 00IIII15AP~16.JI'.'2'.45110-I1511100001.0.0'Z6,..101Z6II10O.U'.1••I.II000•10I"IV.].f!2'9.0\16.5,.Z11711801.911.'0•'.7I•••ItIlI.117.',•107•0 000Z70JUH'O.~.0.''0.'14Z7U•42000.510.10100.00.06911UIl•••••11•o.0 0I0 00JutUt'41,652.'71Un•I"01.0'o.nn0.00.011Z9IIZ7'01I7ZII.00I•000AUGU.'4l.152.171I112'In00.960.1070.00.08020Z67II0,0I0SfP49.1111.7.0.'"I.111071101.590.48•0••0.1ZO7.ISIS197••I•11II00I00110OC'10O.UYU~;0'1INNormals,Means,AndExtremes-1lfROUCH19751Tempel.tum'FR,I.lmWIndNo""..PreclpltilionInIncheshumiditypet..rMe."numberofd.Y'I.........Degreed.y.ItIllitiortNo""..E.Il.tnmnB••85'FW.ler~Iv.lentSnow,IQI.-IleuFIIteItmileiIiSunrl.WlUfttll.~Temper.tumIF........•n;i.qr'mb.iiiIiM,x.Min.$Il~lblE....EE~~~!IIE..~1it.~ie.~8!!.~18,~Ifr~}~I~ItI·f~tj11~JH£..~rHoz01h10J1H~1;rlJ!1..0,~!•1~-~iHij~IIIII~IIi~!§••~iJ8:i~(LocIItlmel1'6AiIi1::11::zbl>z>>>>>is>m...J.1.115ISI'ISJ5UJ5,77••,777,, ,10•8.'I...It..IJ7.9-...1.0..1'145H1971196'00.911.11.410.0.I9H0.10114.'4.••19411'.11971"..19"Il.1HE••0'196•'.1Ii,II••0•010IIZO'21••,U.,-..0.0.,1942H1941111501.11••11951719501.791951~4.,1951J'.O196.7.""7'II••HE..0719147.06,IT10,0 I016II15'11.'HIt.41.0Il.Z••9013'1971166'01.0...'1...0.0719611.11Iq.,"~1194611.119..7.7.707JII;IHE41101111'.2••1010,0 I0Z7III.'1T.2A]ZI'14-121.'"1950JO19'.12'U00.67...,"60.0'lU"0.'"196111;711109.719"'07565757.'HEIIO.1971'.2,7II,•0 I0II10I'n.•"".1Z9o!n.•101900l'1t4515'00.772..6696'0.0.IOU0.96194617••19517.519..II70,..7.,~.,WII07196.'.'I•197Z•I•IU•'1101J".019••49.0It1961IS19"41001.19...,'410.41941I.U19.,•••1114,.7197•141151..'.1S~IIZZ1110'.ZZ•ZZIZIIII0I0'h.'J60.24)II52.011961JZ191a.0101.0',."9"1.119"1.951941.,.,11109.7197019"6Z7Z7.,S~10II111.'.12,ZZ16•2 I,0.092'.1,U.O41.141.6119"ZO1955'0'01.la••33"50.7.19411.1019..••0195''.0I'"111161767~.SW11UlIT''.1I6IIII0•II0I0910.1S'7.1JZ.019.'759"o195075101.11'.131.650.19196'1.07I".21,'195'14.019"1511"757;'HEIIII19727••,,ZO16I•I•II.0'14.1a)0,"17.,24.0"90'lS1915U7101.621.7.'52O.U9"1.141961,...lITO11••lITOillS7611'.0HEISIIlITo7••,,1III70I0II10I91'.'H15.7..7••7..90ZZ'194111590I.n..".SZ0.069"1.10196.n.1196721.9lITO7979717911;1HEIIIS11107.1,•19•,0 I0Z110II'1I.1D'.1....Z••4Z909U196119250I.ZO....9510.1419451.0'1967,o.1lITO17••19707."7671u;7HE••II1970'.'9,ITII•0I010II1991•.,UNANUGFFIIIHOYFl.H'.,.1).011.0U.,19961451971....010.0'6.'h'44T9501.791951n.1196711.0196.II7.n7..~7HE411019117.z••70Il'II.H,U•173251'0922.0NarE:DuetoIe••thanfulltimeoperationun•variableschedule.....,.u....Uyrecordedelementsarefrombroken.equence.inincompleterecorda.0811ytemperatureextremesandprecipitation[otahforportionsoftherecord..ybeforotherthan.calendarday.TheperiodofrecordforlOIIDeelement.t.forotherthancoraaecutiveyeara.~,••J\I.v.Hablefor.rchiyln~nor•Forcalendardarpriorto1968.@Fortheperiod950-1954andJanu-ry1968todatewhenavaU.bleforfullyear.tfortheperiod1942-1953andJanuary1968todatewhenavanableforfullyear••j,Datatorthilldationnot•MORlW.S·B.sedonrecordforthe1941~197Dperiod.DATEOFA1tEklREMC•TheII10StrecenttnclSesof...,htpl,occurrence.PREVAILING~INODIRECTION-Recordthrough1961.WiND9!R:£CTlON-NlIMr.1sindicatet~nsofdegreesc1od:wheI.~north"cotes"IF~~.,'cWINO,Itsfast,Pved1-1lUiwk..nth..dlrH"ttonistntl!'nsofdf!Qr~s.(I)lengthofrecord.)'e'I"1.throughthecurrentyearunlessotherwise"oted,buedonJUUIr)'dati.(b)10·and.bove.tAlask,nstlltons.•Lenthanone!!~If.l•,II
1}l}1i).j11\.\.,0'1IWTABLE6.2:BASINCLIMATOLOGICALDATA(Source:Ref.5,6)MEANMONTHLYPRECIPITATION(IN)StationJan.Feb.Mar.Apr.MayJuneJulyAuo.Sept.Oct.Nov.Dec.Avo.MatanuskaValleyAgricultureExp.Stn..90.73.43.39.741.302.24 2.902.391.591.01.9215.54Talkeetna1.761.721.46.751.34 1.773.195.334.462.851.791.6223.02Summit.881.311.21.73.812.243.153.272.901.721.371.3420.93SheepMountain.55.68.62.72.561.972.431.241.411.13.71.5612.58McKinleyPark.83.69.37.47.681.932.592.811.54.98.75.6514.29Gulkana.68.47.36.22.601.40 1.92 1.581.85.79.60.7211.19MEANMONTHLYTEMPERATURE-DFStationJan.Feb.Mar.Apr.MayJuneJulyAuq.Sept.Oct.Nov.Dec.Avq.MatanuskaValleyAgricultureExp.Stn.12.118.824.637.147.255.457.755.447.735.621.913.235.6Talkeetna9.415.520.333.844.855.157.954.746.033.118.89.633.3Summit2.17.511.323.336.948.652.248.540.324.49.42.925.6SheepMountain5.19.515.727.841.053.352.951.042.428.012.75.128.8McKinleyPark1.47.113.228.441.552.254.650.441.325.910.42.127.4Gulkana-1.32.814.529.543.153.356.652.543.427.76.8-3.126.6
TABLE 6.3:PAN EVAPORATION DATA
(Source:Ref.5,6)
Average Monthly Pan Evaporation,Inches
Matanuska Valley
Agr.Exp.Station
Evap.Yrs.Red.
University Exp.Stn.
Evap.Yrs.Rcd.
Month
May
June
July
August
September
SUBTOTAL
4.63
4.58
4.09
2.99
1.83
18.12
15
24
29
29
26
4.46
5.09
4.50
2.96
1.42
18.43
19
26
30
30
24
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-
Month
May
~une
July
August
September
TOTAL
Average Consumptive Use
Consumptive Use (in)
2.30
3.50
3.86
3.08
0.16
12.90
6-4
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2.
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BIBLIOGRAPHY
1.Acres American Incorporated,Susitna Hydroelectric Project -Plan of Study,
February,1980.
H.J.Kaiser &Company,Reassessment Report on Upper Susitna River
Hydroelectric Development for the State of Alaska,September,1974.
3.R&M Consultants/Acres,Field Data Index,updated every six months,January,
1981.
4.U.S.Department Corps of Engineers,Harbors and Rivers in
Alaska -Surve Inlet and Tributaries (Report No.2),Copper
River and Gulf Coast Report No.3),Tanana River Basin (Report No.4),and
Yukon and Kuskoknim River Basins (Report No.7),1950-51.
5.U.S.Department of the ArmY,Corps of Engineers (Alaska District),
Hydroelectric Power and Related Purposes:Southcentral Railbelt Area,
Alaska,Upper Susitna River Basin -Interim Feasibility Report,Anchorage,
Alaska,1975.-
6.U.S.Department of the Army,Corps of Engineers (Alaska
Hydroelectric Power and Related Purposes:
Anchorage,Alaska,19 9.
7.U.S.Department of the Army,Corps of Engineers,National Hydroelectric
Power Resources Study:Preliminary Inventory of Hydropower Resources,
Pacific Northwest,July 1979.
8.U.S.Department of the Interior,Bureau of Reclamation (Alaska District),
District Manager's Reconnaissance Report of August,1952 on Susitna River
Basin:A Report on the Potential Development of Water Resources in the
Susitna River Basin of Alaska,1952.
9.U.S.Department of the Interior,Bureau of Reclamation (Alaska District),
Devil Canyon Project,Alaska:Report of the Commissioner of Reclamation
and Supporting Reports,1960.
10.U.S.Department of the Interior,Alaska Power Administration,Devil 's
Canyon Status Report,Juneau,Alaska,May,1974.
11.U.S.Department of the Interior,Alaska Power Administration,Inventory
Type Calculations for Some Potential Hydroelectric Projects in Alaska,
1979.
12.U.S.Federal Power Commission,The 1976 Alaska Power Survey,Vol.1 and
Vol.2,1976.
13.U.S.Geological Survey,Scully,D.R.,Surface Water Records for Cook Inlet
Basin,Alaska,(through September 1976).
BIBLIOGRAPHY (Continued)
14.U.S.Geological Survey,Water Resources Data for Alaska Water Year 1977,
1977 •
15.U.S.Geological Survey,Lamke,R.D.,Flood Characteristics of Alaskan
Streams,1979.
16.U.S.Geological Survey,Water Resources (Surface and Subsurface)of Cook
Inlet Basin -Rough Final Draft,February,1980.
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APPENDIX A
STREAMFLOW GAGING STATIONS
IN THE SUSITNA BASIN (3)
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WATER RESOURCES DATA COLLECTED
IN THE SUSITNA RIVER BASIN
0100 STREAMFLOW CONTINUOUS GAGING
Mean daily discharge and/or annual maximum flood peak discharge
data have been collected by the U.S.Geological Survey &R&M
Consultants at several locations within the Susitna River Basin .
The stations for which this information is available and the period
of record at each location are listed below.Unless indicated by
agency name in parentheses following the period of record,all data
has been collected by the USGS.All data listed in this section
are on file at R&M Consultants according to index number and
name.
.-
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Index
No.
0110
Description
Susitna River near Denali -USGS Station 15291000
Mean Daily Discharge Records:May 1957 -September
1966i July 1968 -Present
Annual Maximum Discharge Records:1957-1966,
1968-1980
Annual Instantaneous Peak Flow:1957-1963,1965,
1967,1967-1979
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0115 Maclaren River near Paxson -USGS Station 15291200
Mean Daily Discharge Records:June 1958 -Present
Annual Maximum Discharge Records:1958-1980
Annual Instantaneous Peak Flow:1958 -1980
Index
No.
0120
Descriptibn
Susitna River near Cantwell -USGS Station 15291500 -
Mean Daily Discharge Record:May 1961 -September
1972;May 1980 -Present
Annual Maximum Discharge Records:1961-1972
Annual Instantaneous Peak Flow:1960-1972
0130 Susitna River near Watana Damsite -R&M SG-1
Mean Daily Discharge Records:July 1980 -Present
Miscellaneous Discharge Measurements:1980:
August 20 (R&M)
August 21 (R&M)
September 3 (R&M)
September 18 (R&M)
October 20 (R&M)
0140 Susitna River near Gold Creek -USGS Station 15292000
Mean Daily Discharge Record:August 1949 -Present
Annual Maximum Discharge Record:1950-1980
Annual Instantaneous Peak Flow:1950-1980
0145 Chulitna River near Talkeetna -USGS Station 15292400
Mean Daily Discharge Record:February 1958 -
September 1972
Continuous Stage Gage Reactivated:May 1980
Annual Maximum Discharge Record:1958-1972
Crest Stage Record:1973-1977
Annual Instantaneous Peak Flow:1958-1977
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Index
No.
0155
Description
Talkeetna River near Talkeetna -USGS Station 15292700
Mean Daily Discharge Record:June 1964 -Present
Annual Maximum Discharge Record:1964-1980
Annual Instantaneous Peak Flow:1964-1980
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0160 Susitna River near Sunshine -Proposed 1981
0162 Willow Creek near Willow -USGS Station 15294005
Mean Daily Discharge Record:June 1978 -Present
Annual Maximum Discharge Record:1978-1980
0163 Deception Creek near Willow -USGS Station 15294010
Mean Daily Discharge Record:May 1978 -Present
Annual Maximum Discharge Record:1978-1980
0165 Skwentna River near Skwentna -USGS Station 15294300
Mean Daily Discharge Record:August 1959 -Present
Annual Maximum Discharge Record:1959-1980
Annual Instantaneous Peak Flow:1959-1980
0175 Yentna River near Susitna Station
Mean Daily Discharge Record:October 1980 -Present
0190 Susitna River near Susitna Station -
USGS Station 15294350
Mean Daily Discharge Record:October 1974 -Present
Annual Maximum Discharge Record:1974-1980
0200 STREAMFLOW PARTIAL RECORDS
All data collected relating to river stage or water discharge for the
Susitna River Basin not previously listed under Section 0100:
Streamflow Continuous Gaging are included below.This section
includes all records from crest stage gages,staff gages or
fragmentary data.Agencies collecting the data include:U.S.
Geological Survey (USGS),R&M Consultants (R&M)and National
Weather Service (NWS).The agency responsible for data collection
at each site is indicated by the agency name in parentheses
following the period of record.
It should be noted that National Weather Service stations provide
real-time river stage data which can be obtained from the NWS
Alaska River Forecast Center at any time ...
Alaska Department of Fish and Game has additional data on stage
and water discharge of selected tributaries aOO fresh-water
sloughs in the Susitna River !3asin.Appendix I includes location
and period of record for the data available.
AJI data given below are on file at R&M Consultants according to
index number and location I unless marked by an asterisk following
the period of record.
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Index
No.
0201
Description
Raft Creek near Denali -USGS Station 15291000
Annual Maximum Discharge from Crest-Stage Gage:
1963-1977 (USGS)
0205 Susitna River at Deadman Creek -R&M CSR-9
Crest-Stage Gage:1980 (R&M)
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Index
No.
0210
0215
0220
0225
Description
Susitna River at Watana Dam Site -R&M CSR-8
Crest Stage Gage:1980 (R&M)
Susitna River above Devil Canyon -R&M CSR-7
Crest-Stage Gage:1980 (R&M)
Staff Gage:Proposed
Portage Creek above Gold Creek -R&M CSR-6
Crest-Stage Gage:1980 (R&M)
Susitna River at Sherman -R&M CSR-5
Crest-Stage Gage:1980 (R&M)
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0230 Susitna River at Section 25 -R&M CSR-4
Crest-Stage Gage:1980 (R&M)
-0235 Susitna River at Curry -R&M CSR-3
Crest-Stage Gage:1980 (R&M)
Partial Discharge Record:1948 - 2 dates (USGS)
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0240 Susitna River near Chase -R&M CSR-2
Crest-Stage Gage:1980 (R&M)
0245 Susitna River above Susitna-Chulitna Confluence -
R&M CSR-1
Crest-Stage Gage:1980 (R&M)
0246 Talkeetna River near Talkeetna
Partial Discharge Record:1949 - 2 dates (USGS)
Index
No.
0247
Description
Tal keetna River at Tal keetna Railroad Bridge
Partial Stage Record:1976-1980 (NWS)
0250 Susitna River at Sunshine -USGS Station 15292780
Partial Discharge Record:1969-1971,1976-80 (NWS)
0251 Montana Creek near Montana -USGS Station 15292800
Crest-Stage Gage:1963-1972 (USGS)
0252 Montana Creek at Parks Highway
Partial Stage Record:1973-1980 (NWS)
0253 Goose Creek near Montana -USGS Station 15292900
Crest-Stage Gage:1963-1971 (USGS)
0254 Caswell Creek near Caswell -USGS Station 15293000
Crest-Stage Gage:1963-1980 (USGS)
0255 Little Willow Creek near Kashwitna -
USGS Station 15293700
Low-Flow Discharge Record:1978 (USGS)
0256 Willow Creek at Hatcher Pass Road near Willow -
USGS Station 15294002
Low-Flow Discharge Record:1978-1980 (USGS)
0257 Deception Creek above Tributary near Houston -
USGS Station 15294007
Low-Flow Discharge Record:1978-1980 (USGS)
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Index
No.
0258
0259
Description
Deception Creek Tributary near Houston -
USGS Station 15294008
Low-Flow Discharge Record:1978-1980 (USGS)
Willow Creek at Parks Highway near Willow
Low-Flow Oischarge Record:1978-1980 (USGS)
Partial Stage Record:1973-1980 (NWS)
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APPENDIX B
MEMO ON PROBABLE MAXIMUM PRECIPITATION
ESTIMATES FROM NATIONAL WEATHER SERVICE
TO CORPS OF ENGINEERS -UNDATED
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.-ROM:
-UBJ:
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Hr.Vernon K.Hagen
Office of Chief of Engineers
Corps of Engineers
Forrestal Bldg.,Rm.5-F-039
Washington,D.C.20314
John T.Riedel
Cnief,Hydrometeorological Branch
Tentative E~timates of Probable Maximum Precipitation (PMP)and Snowmelt
Criteria for Four Susitna River Drainages
Introduction
The Office of Chief of Engineers,Corps of Engineers 'requested PMP and
snowmelt criteria for the subject drainages in a memorandum to the
-Hydrometeorological Branch,dated December 12,1974.The Alaska District
requested the study be completed by February 1,1975;however,a more-realistic date for completing a study in wbich we haYe confidence is
June 1,1975.Because of the need to soon begin hydrologic studies
ba&?d on meteorological criteria,the Branch has concentrated on the
-problem and has determined the general level of criteria.A range of PM?
value~are given in this me~orandum within which we believe values from-a more comprehensive study will fall.The sequences of snowmelt winds,
temperatures,and dew points should be checked with additional studies.
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In addition,if we knew in detail how sno~~elt will be computed,we could'
give emphasis to the more important elements.
p~w estimates for four drainages
A range of estimates of PHP for 6,24,and 72 hours for four
drainages outlined on the map accompanying the December 12,1974 ~emorandum
are listed in table 1.These are nUI:1bered fran 1 to 4 (smallest to largest).
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The estimates are for the months of August z-.~September -the season
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of greatest rainfall potential.
estimates by 70 percent.
For the sn~~lt season,multiply the
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Tile estimates take into account numerous co-~~erations including several
l'lethods of modifying PMP estimates made prenC'"~ly for other Alaska
drainages,and PMP estimates from the Weste=n :~ited States for areas
with similar terrain.
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Temperatures and Dew Po;~ts for Snowmelt
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A.During PMP Storm
1.Dew point for PMP centered on June 15 =56°F (assume maximum l-day P~IP
in middle of 3-day storm).
2.For PMP placement prior to June 15 ~tract O.Sop for each 3-day
period prior to June 15 (e.g.the ~dew point for June 12 will be
55.2°p).This -O.SoP per 3-days may be applied to obtain the maximum
l-day dew point during the Pl1P back ~o as early as May 15.
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3•
·4.
For first day of PMP storm~subtract 1°F from criteria of ~for 3rd
day of PMP storm subtract 2°F •
Add 2°F to each of the three daily C~_points to get daily temperatures
for the 3-day P~~period •
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B.Temperatures and Dew Points Prior to 3-~y p~Storm (High dew point case)
Adjustment to te.ntperatnre and dew point on .
day of maxj;u;::n p~
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Day prior
to PMP
1st
2d
3rd
4th
T t (OF)empera ur~
-2
-1
o
+1
-2
-4-
-4
-5
-4-
C.Temperatures J Dew Points Prior to 3-day PM?
(High temperatu=e case)
Adjustment of temperature and de...,point on
day of maximt!3 PMP
Day prior
to PMP Temperature (oF)
1st +1
2d +2
3rd +4
4th +7
Elevation Adjustment
-12
9
7
6
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For the 3 days of PMP and for the high dew point Y',apply a -3°F per 1000 ft -
to the temperatures and dew points.
to 1000 mb or zero elevation.
The basic criteria are considered applicable
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For the high temperature criteria apply a -4~F per 1000 ft increase in
elevation.
Half-day Values
If half-day values are desired for te~eratures and dew points,the
following rules should be followed:
1.For the high-temperature sequence~apply an 18°F spread for
temperatures and a 6°F spread for dew point.For example,for a mean
daily dew point of 50°F,the half-day values woulc be 47°F and 53°F.
2.For the high dew point case,apply a 12°F spread for temperature
and a 4°F spread for dew point.
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3.In no case,however,should a 12-br d~.point be used that exceeds
the I-day value for that date.For example,the value not to be exceeded·
for June 15 is 56°F,for June 3 (four 3~-y periods before June 15)is
52.SoF.
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Wind Criteria for Snowmelt
Since two sets of criteria (one emphasizing high temperature and the
other high dew point sequences)are given for snowmelt prior to PMP,
two sets of wind criteria are also necessary since the pre-P~~synoptic
situation favoring high temperatures differs from the criteria favoring
high dew points.The recommended winds,tables 2 and 3,are given by
elevation bands.In the high dew-point case,table 2.(where synoptic
exist
conditionsAfavoring maritime influences prior to P}~),the same wind
for 4-days prior to P~~is appropriate.
All of the winds presented in tables 2 and 3 have been adjusted for
applicability over a snow surface.Although a seasonal variation in the
high dew point wind criteria is realistic for the present tentative
criteria,they are considered applicable to }~y and June.
Snowmelt Winds During the PMP
Wind criteria for the 3-day PMP are the same for both the high
temperature and high dew point sequences.They are shown in table 4.
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Snow Pack Available for Melt
Some work was done in determining the mean and !!laXimum October-April
precipitation of record for the avai1ab1a?~ecipitationstations.
These stations and other data are tabulated in table 5.The drainages
and available stations are shown in figure 1•
Table 5 also shows the years of record available for October-April
precipitation,as well as a column labeled "synthetic October-April.
precipitation."This gives the sum of t~e greatest October,greatest
November,etc.,to the greatest April preci?itation total from the
available record.These synthetic October-April.precipitation values
and the means are plotted on figure 1.
Approximately 9 years of sn~J course data are available for 14 locations
in and surrounding the Susitna drainage.?roo these records,the greatest
v~ter equivalents were plotted on a map.T=ese varied from a low of
6 inches at Oshet~a Lake (elevation 2930 ft)to an extreme of 94.5 inches
at Gulkana Glacier,station C (elevation 6~~O it).A smooth plot of all
maxima against elevation gave a method of dete~ning depths at other
elevations.Figure 2 shows resulting smootil vater equivalents based on
smoothed elevation contours ,and this relat:!..on.
Some additional guidance could be obtained ==ao mean annual precipitation
maps.One such map available to us is i!!~;o.AA Technical Memorandum m~s
AR-lO,"Mean Monthly and Annual Precipitatiml,Alaska."The mean annual
of this report covering the Susitna drainage is shown in figure 3•
-8-
Also on this figure is shown the mean runoff for ehree portions of
the Susitna River drainage based on'the years of record shown.No
adjustment has been made for evapotranspira~onor any other losses.This
indicates that the actual mean annual prec~pitation is probably greater
than that given by NWS AR-lO.
Conclusion.Time hasn't allowed checks,e~uation,and comparison of
the several types of data summarized here.It appears the "synthetic
October-April precipitation"generally is Less than the maximum depths
over the drainages based on snow course ~suremects.There depths,or
figure 2,would be considered the least that could be available for melt
in the spring.
Further Studies
The variation of precipitation with terrai~feat~=es in Alaska is important
but yet mostly unknown and unstudied.l-!ore effor!:should be placed on
attempts to develop mean annual or mean seasonal ?recipitation maps;at
least for the region of the Susitna River.So~e 10 years of data at about
a dozen or so snow courses could be used iD this attempt,as well as
stream runoff values.
Some work has been done toward estimating ~~depth-area-duration
values in the August 1967 storm;an importznt in~t to the present
estimates.Attempts should be made to carry out a complete Part I and
Part II for this storm,although data are sparse and emphasizing the use of
stre2mflow as a data source.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
~-
~-
~-
~-
~-
~-
~-
--
--
~-
--
-~
The objective of these two studies with regard to the Susitna drainages
is to attempt a better evaluation of topographic effects,and to make
a better evaluation of snow pack avai'a~le for oelt.
Study of additional storms could give same important conclusions and
guidance on how moisture is brought up the Cook Inlet to the Talkeetna
Mountains and how these mountains effec:the moisture.
Snowmelt criteria in this quick study is licited to 7 days.Considerably
more work needs to be done to extend this to a longer period.Then we
would need to emphasize compatability of a large snow cover and high
temperatures.More known periods of hign sno~~~lt runoff need to be
studied to determine the synoptic valces of the meteorological parameters.
-10-
-
-
Table ~
Drainage
Number
1
2
3
4
General level of PMP esti~ates for 4
Susitna River drai~ag~s
Area
(59 mi)
1260
4140
5180
5810
72-hr PMP
(in.)
9-12
7.5-10.5
7:;'9
7-9
-
-
-
-
For 24-hr PMP,multiply 72-hr value by 0.60.
For 6-hr PMP,multiply 72-hr value by 0~30.
PMP for intermediate durations may be obtained from a plotted smooth
curve through the origin and the 3 values ~~cified.
Table 2
SnoT~elt Winds precedingPMP for Susitna Basins
for high dew point seqcence
Elevation Da i."Y ').°i:::ld speed"*
(ft)(mph)
sfc 8
1000 9
2000 12
3000 13
4000 25
5000 34
6000 35
7000 37
8000 39
9000 40
10,000 l.2
*For each of the 4 days preceding t~a 3-eay F.-Po
-
-
-
-
-
-
-
-
-11-
Tabl,e 3
Sno~~e1t winds preceding P~for Susitna Basins...~for high temperature sequence
Dai.1y ~d speed (mph)-Elevation (ft)Dav ~rior to 3-dav PHP«
1st 2nd 3rd 4th
...sfc 10 13 4 4
1000 10 13 4 4
2000 11 14 5 5..-
3000 12 16 5 5
4000 13 16 6 6-5000 13 17 6 6
6000 14 18 6 6-7000 15 20 6 6
8000 16 20 7 7-9000 16 20 7 7
10,000 ~7 21 7 7
-
Table 4-'-linds during 3-day PM!'
..-
-
-
-
.-
Wind speed (mph)
Day of Day of 2nd Day of 3ra
Elevation (ft)maximum P~highest PM?highest PMP
sfc 12 9 8
1000 14 10 9
2000 19 14 12
3000 29 21 18
4000 42 31 27
5000 56 42 36
6000 58 44 38
7000 62 46 40
8000 64 48 41
9000 68 51 44
10,000 70 52 45
Table5StationswithPrecipitationRecordsinandsurroundingtheSusitnaDrainageMeanNumberYrsofrecordforMaximumofmonthsforSynthetic.-}leancompleteOct.-Apr.obs.Oct-YrofsyntheticOct.-Oct.-Apr.Oct.-Apr.StationElevationprecipitationApr.prec.MaximumApr.season...,Erecip.Precipe(ft.)(in.)(in.)(in.)SusitnaMeadows750417.1870-71423.1813.77Gu1kana1572186.7756-571812.684.19Paxson269728.4243-44614.257.64TrimsCamp2408323.2659-60535.8215.3Summit24011914.0951-522026.597.93Tell<eetna3/,53521..l729-3037,,0,5911..26SheepMountain23161311.9159-601218.1124.78~N•....II•tIIItI,ItJIaIIJ
L"~SVMMiT7.'\~,lI,t.-flt~s.1t7.'-,~SflJfJ,erii:.".7Jo~f.-JI'k':r.;til~(l.Il4-4-.2..~h(tiM.f(()c/...A,I';1.1'7'13$·8TRIN\5CA.IV\P15.3I*''-+'~31\!~rJ1 1.........--...1JJ);I)23.z..I~O+,..1~\C':)\,NI\MeA~513.8i40·"l.;l•.5•L"TAI-KE:c\NAC;HE.1:f'MT";.Figurel.--DrainagcoutlinesandOctober-Aprilprecip1tationininches.(Uppervalues~syntheticOctober-Aprilprecipi~ation;Lower=meanOctober-Aprilprecipitation.),a.~~8
1S.t>+".3•\~l;...'2,0/1/:'1.+~!'......~_tot~!!Fi~urc2.--Minimumwater~quivalent9ofsnowpnckininches(baaedongfOQBnmootbingof\Illtx!mulllsnowcoursgllleuuurements.)I,,t,,ItIfJ•JI,,II,
,4:'-+,.3/0/-/~,/'ft'.,,~1ltD~,s:o+t.3.'.\11....JJ1}I,1,III,,1I,•JI~•Iso•,•JI.•':I•~.,~~.....-I'.'"MEANANtJUALFeoM.A2...-\0.Figure3.--Meanannualprecipitationandstreamrunoff(ininches).
..-
.....
-
....
....
....
-
.....
~..
-
....
....
....
.....
APPENDIX C
SUSPENDED SEDIMENT GAGING STATIONS (3)
_.
0500 SEDIMENT DISCHARGE
~.
Suspended sediment concentration (mg/I)suspended sediment
discharge (tons/day)and suspended sediment particle size analysis
data have been collected by the U.S.S:;eological Survey (USGS)
and R&M Consultants.(R&M)at several sites within the Susitna
River Basin.The locations where this information has been
collected are listed below.All of the data,except 1980 data
collected by the USGS,are on file at R&M Consultants.
Unless indicated by agency name in parentheses following the
period of record,all data have been collected by the USGS.
_.Index
No.Description
....
0510 Susitna River near Denali -USGS Station 15291000
Sediment Concentration and Sediment
Discharge:1958-1979
1980:May 22
June 24
July 22
August 2
October 1
~.
-
-
....
.....
.....
,...
0515
Particle Size Analysis:1958-1980
Maclaren River near Paxson -USGS Station 15291200
Sediment Concentration and Sediment
Discharge:1958-1968,1974-1975
Particle Size Analysis:1958-1967 I 1974-1975
Index
No.Description
-
-
-
0520 Susitna River near Cantwell -USGS Station 15291500
Sediment Concentration and Sediment
Discharge:1962-1972
1980:September 5 (R&M)
September 17 (R&M)
October 17 (R&M)
Par"ticle Size Analysis:1962-1972,1980
0525 Susitna River above Portage Creek near Gold Creek -
USGS Station 624941149221500
-
-
-
-
-
0540
0545
Sediment Concentration and Sediment
Discharge:j977
Particle Size Analysis:1977
Susitna River at Gold Creek -USGS Station 15292000
Sediment Concentration and Sediment
Discharge:1952-1957,1962 ,1967 ,1974-1979
1980:May 14
August 19
October 7
October 16 (R&M)
Particle Size Analysis:1953,1955-1957 ,1962,1974-1980
Chulitna River near Talkeetna -USGS Station 15292400
Sediment Concentration and Sediment
Discharge:1967 -1972
1980:May 21
June 3
June 23
July 17
September 1
September 30
October 22
Particle Size Analysis:1967-1972,1980
-
-
....
-
-
-
-
-
-
-
-
..
Index
No.
0555
Description
Talkeetna River near Talkeetna USGS Station 15292700
Sediment Concentration and Sediment
Discharge:1966-1979
...-
....
".-
1980:Februal'Y 15
April 11
May 15
July 3
July 14
August 14
October 8
.....
....
,...
,..-
-
-
....
....
....
"'..
0560
0561
0563
0565
Particle Size Analysis:1966-1980
Susitna River at Sunshine -USGS Station 15292780
Sediment Concentration and Sediment
Discharge:1971,1977-
Particle Size Analysis:1971,1977
Montana Creek near Montana -USGS Station 15292800
Sediment Concentration and Sediment
Discharge:1970-1971,1973
Particle Size Analysis:1970-1971,1973
Deception Creek near Willow -USGS Station 15294010
Sediment Concentration and Sediment
Discharge:1978-1980
Skwentna River near Skwentna -USGS Station 15294300
Sediment Concentration and Sediment
Discharge:1967-1968,1974-1975
1980:June 12
August 21
Particle Size Analysis:1967-1968,1974-1975,1980
,
Index
No.
0575
0590
Description
Yentna River near Susitna Station
Sediment Concentration and Sediment
Discharge:to begin 1981
Susitna River near Susitna Station -
USGS Station 15294350
Sediment Concentration and Sediment
Discharge:1975 -1979
-
-
-
-
-
-
1980:February 12
March 12 -June 16
July 30
October 10 -
Particle Size Analysis:1975 -1980
-
-
-
-
-
-
-
-
-
-
...
.....
...
..-
--
..-
APPENDIX D
WATER QUALITY -STATIONS AND PARAMETERS (3)
· I
.....
.....
-,
0300 WATER QUALITY
Water quality data have been collected by the U.S.Geological
Survey and R&M Consultants at several sites within the Susitna
River Basin.The locations for which this information is available
and the period of record at each site are given below.Since the
measurements are only taken periodically the number of measure-
ments r timing and specific parameters measured vary from year to
year at any given station.A list of water quality parameters that
have been measured by the USGS ~nd R&M are included at the end
of tti5,~-:ap~endtx.l ---;
Unless indicated by the agency name in parentheses following the
period of record r data have been collected by the USGS.
Data collected by the Alaska Department of Fish &Game are all
included in Appendix I.Therefore r they have not been listed
again in this section.
The data listed in this section are all on file at R&M Consultants
according to index number and name r
marked by an asterisk.Most of the
through the U.S.Geological Survey.
except where dates are
data are also available
Index
No.Description
0310 Susitna River near Denali -USGS Station 15291000
Period of Record:1957-1961,1968,1976
....
-
0311 Raft Creek near Denali -USGS Station 15291100
Period of Record:1972
Index
No.
0313
Description
Clearwater Creek near Paxson -
USGS Station 630230146530000
Period of Record =1958*
-
-
-
-
0315 Maclaren River near Paxson -USGS Station 15291200
Period of Record:1958-1961,1967-1968,1975
0318 Little Oshetna River near Eureka -
USGS Station 621130147391500
Period of Record:1953*
-
-
0320 Susitna River near Cantwell -USGS Station 15291500 -
Period of Record:1967 -1970
1980:June 19
August 8
September 5
September 17
October 17
(R&M)
(R&M)
(R&M)
(R&M)
(R&M)
-
-
0330 Susitna River near Watana Damsite -R&M WQ-1
Period of Record:October 1980 -Present (R&M)-
0335 Susitna River above Portage Creek near Gold Creek -
USGS Station 624941149221500
Period of Record:1977 -
0339 Gold Creek at Gold Creek -USGS Station 624606149412500
Period of Record:1977*-
-
-
.....
,...
..-
.....
Index
No.
0340
0345
0355
Description
Susitna River at Gold Creek -USGS Station 15292000
Period of Record:1949-1958,1967-1968,1975,1977
1980:May 2
August 8 .(R&M)
August 19
October 7
October 14 (R&M)
Chulitna River near Talkeetna -USGS Station 15292400
Period of Record:1958-1959,1967-1968,1970 .
Talkeetna River near Talkeetna -USGS Station 15292700
Period of Record:1954,1967-1980
.'
0360 Susitna River at Sunshine -USGS Station 15292780
Period of Record:1975,1977
.....
~..,
~..
...
_.
...-
0361.1
0361.2
0361.3
0361.4
Montana Creek near Montana -USGS Station 15292800
Period of Record:1971-1972
Sheep Creek at Highway near Willow -
USGS Station 615945150024300
Period of Record:1972
Caswell Creek near Caswell -USGS Station 15293000
Period of Record:1972
Kashwitna River near Willow -
USGS Station 615535150041500
Period of Record:1972
,.
.~
Index
No.
0362.3
0362.4
Description
Willow Creek at Upper Bridge near Willow -
USGS Station 614522149401700
Period of Record:1972
Willow Creek at Hatcher Pass Road near Willow -
USGS Station 15294002
Period of Record:1978-1980
-
-
-
0362 Willow Creek near Willow -US.GS Station 15294005
Period of Record:1972
0362.1
0362.2
Willow Creek below Canyon near Willow -
USGS Station 614607149552000
Period of Record:1972
Willow Creek at Parks Highway near Willow
Period of Record:1972
-
-
-
-0363 Deception Creek near Willow -USGS Station 15294010
Period of Record:1978-1980
0363.1
0363.2
0363.3
Deception Creek at Mouth near Willow -
USGS Station 614552150021000
Period of Record:1972
Deception Creek above Tributary near Houston -
USGS Station 15294009
Period of Record:1978-1980
Deception Creek Tributary near Houston -
USGS Station 15294008
Period of Record:1978-1980
....
-
-
-
r •
~
...-
....
...
Index
-No.
0365
0366
0390
Description
Skwentna River near Skwentna -USGS Station 15294300
Period of Record:1959,1961,1967-1968
Yentna River near Skwentna -
USGS Station 615815151070000
Period of Record:1955*
Susitna River at Susitna Station -USGS Station 15294350
Period of Record =1955 I 1970 I 1975 -1979
..-
,,-
....
....
-
.-
r 11-
.-
1980:February 12
March 12
June 16
July 30
October 10
0400 WATER TEMPERATURE
Water temperature data have been collected by the U.s.Geological
Survey I R&M Consultants and Alaska Department of Fish and Game
(ADF&G)at many locations within the Susitna River Basin.The
locations for which this information is available and the period of
record at each site are given below.Continuous water tempera-
ture records are generally available for open-water months only,
but the length of record will vary for each site from year to year.
Data collected by ADF&G have all been included in Appendix C.
Therefore,they have not been listed again in this section.It
should also be noted that instantaneous temperature measurements
have been taken and may be found in the water quality records
published by the USGS.
Unless indicated by agency name in parentheses following the
period of record I all data have been collected by the USGS.
The data listed in this section are on file at R&M Consultants
according to index number and name,except 1980 data collected by
the USGS and Talkeetna River data from 1954.
-
-
-
-
....
-
-
-
-
Index
No.Descri ption ....
0410 Susitna River near Denali -USGS Station 15291000
Water Temperature Record:1974 -1980
Temperature Cross Sections:1980:May 22
June 24
July 22
...August 26
October 1
-
-
-
-
,-
Index
No.
0415
Description
Maclaren River near Paxson -USGS Station 15291200
Miscellaneous Water Temperatures:1980
-
-
-
-
-
-
-
0420 Susitna River near Cantwell -USGS Station 15291500
Water Temperature Record:May 1980 -Present
0430 Susitna River near Watana Damsite
Water Temperature Record:October 1980 -Present
(R&M)
0440 Susitna River at Gold Creek -USGS Station 15292000
Water Temperature Record:1957,1974-1980
Temperature Cross Sections:1980:May 14
July 2
August 19
October 7
Miscellaneous Water Temperatures:1980 (R&M)
0445 Chulitna River near Talkeetna -USGS Station 15292400
Water Temperature Record:to begin 1981
Temperature Cross Sections:1980:June 3
July 17
September 1
October 22
Miscellaneous Water Temperatures:1980
Index
No.
0455
Description
Talkeetna River near Talkeetna -USGS Station 15292700
Water Temperature Record:1954
Temperature Cross Section:1980:April 1
April 22
May 23
June 30
July 10
July 28
July 29
September 9
October 15
-
-
-
-
-
0460 Susitna River near Sunshine -USGS Station 15292780
Water Temperature Record:proposed 1981 -
0462 Willow Creek near Willow -USGS Station 15294005
Water Temperature Record:1978-1979
,,.
-
0463 Deception Creek near Willow -USGS Station 15294010
Water Temperature Record:1978 -Present ..
0465 Skwentna River near Skwentna -USGS Station 15294300 -
Temperature Cross Sections:1980:April 14
June 12
August 21
October 17
Miscellaneous Water Temperatures:1967-68/1974-75 -
-
0475 Yentna River near Susitna Station
Water Temperature Record:to begin 1981
-
-
0490 Susitna River at Susitna Station -USGS Station 15294350
Water Temperature Record:1975 -Present -
-
·,
-
-
-
-
-
-
-
-
-
-
-
-
-
WATER QUALITY PARAMETERS
THAT HAVE BEEN SAMPLED BY THE USGS
WITHIN THE SUSITNA RIVER BASIN
Site Parameters
Available for each sample
Date
Time
I nstantaneOU5 Stream Flow (cfs)
Occasionally available for sample
Sampling Depth (ft)
Stream Width (ft)
Percent of Total Depth
Sample Location in Cross Section (ft from left bank)
Physical Parameters
Color (Platinum -Cobalt Units)
Hardness (mg/I as CaC0 3 )
Hardness,Noncarbonate (mg/I as CaC03 )
Methylene Blue Active Substance
pH
Solids,Dissolved (tons/day,tons/ac-ft)
Solids,Dissolved Residue at 105°C (mg/I)
Solids,Dissolved Residue at 180°C (mg/I)
Solids,Suspended Residue at 180°C (mg/I)
Specific Conductance (Micromhos/centimeter)
Temperature,Instantaneous (OC)
Turbidity (Jackson Turbidity Units)
Inorganic Parameters
Alkalinity (mg/I as CaC0 3 )
Aluminum,Total Recoverable (ug/I as AI)
Arsenic,Dissolved (ug/I as As)
Arsenic,Total (ug/I as As)
Arsenic,Total Suspended (ug/I as As)
Barium,Dissolved (ug/I as Ba)
Barium,Total Recoverable (ug/I as Ba)
Beryllium,Dissolved (ug/I as Be)
Bicarbonate (mg/I as HC03 )
Boron,Dissolved (ug/I as B)
Cadmium,Dissolved (ug/I as Cd)
Cadmium,Total Recoverable (ug/I as Cd)
Calcium,Dissolved (mg/I as Ca)
Carbon Dioxide,Dissolved (mg/l as CO 2 )
Carbonate (mg/I as C0 3 )
Chloride,Dissolved (mg/I as CI)
Chromium,Dissolved (ug/I as Cr)
Chromium,Dissolved Hexavalent (ug/I as Cr)
Chromium,Suspended Recoverable (ug/I as Cr)
Chromium,Total Recoverable (ug/I as Cr)
Cobalt,Dissolved (ug/I as Co)
Copper,Dissolved (ug/l as Cu)
Copper,Total Recoverable (ug/I as Cu)
Cyanide,Total (mg/I as Cn)
-
-
-
-
.-
-
..
-
-
-
-
-
-
-
-
-
I·•-
-
-
-
-
-
-
-
!-
-
-
-
Fluoride,Dissolved (mg/I as F)
Iron (ug/I as Fe)
I ron,Dissolved (ug/I as Fe)
I ron,Total Recoverable (ug/I as Fe)
Lead,Dissolved (ug/I as Pb)
Lead,Total Recoverable (ug/I as Pb)
Lithium,Dissolved (ug/I as Li)
Magnesium,Dissolved (mg/I as Mg)
Manganese (ug/I as Mn)
Manganese,Dissolved (ug/I as Mn)
Manganese,Total Recoverable (ug/I as Mn)
Mercury,Dissolved (ug/I as Hg)
Mercury,Total Recoverable (ug/I as Hg)
Molybdenum,Dissolved (ug/I as Mo)
Molybdenum,Total Recoverable (ug/I as Mo)
Nickel,Dissolved (ug/I as Ni)
Nickel,Total Recoverable (ug/I as Nj)
Nitrogen,Dissolved Ammonia (mg/I as N,mg/I as NH 4)
Nitrogen,Dissolved Nitrate (mg/I as N,mg/I as N03 )
\
Nitrogen,Dissolved Nitrate +Nitrite (mg/I as N)
Nitrogen,Total (mg/I as N03 )
Nitrogen,Total Ammonia (mg/I as N)
Nitrogen,Total Ammonia +Organic (mg/I as N)
Nitrogen,Total Nitrate (mg/I as N,mg/I as N03 )
Nitrogen,Total Nitrate +Nitrite (mg/I as N)
Nitrogen,Total Nitrite (mg/I as N)
Nitrogen,Total Organic (mg/I as N)
Oxygen,Dissolved (mg/I,percent saturation)
Phosphate,Dissolved Ortho (mg/I as'PO 4)
Phosphate,Total (mg/I as PO4)
Phosphorus,Total (mg/I as p)
Phosphorus,Dissolved (mg/I as P)
Phosphorus,Dissolved Ortho (mg/I as P)
Potassium,Dissolved (mg/I as K)
---~---~--------
Selenium,Dissolved (ug/I as Se)
Selenium,Total (ug/l as Se)
Silica,Dissolved (mg/I as Si0 2 )
Silver,Dissolved (ug/I as Ag)
Silver,suspended recoverable (ug/I as Ag)
Silver,total recoverable (ug/I as Ag)
Sodium Adsorption Ratio
Sodium,Dissolved (mg/I as Na)
Sodium,Percent
Sodium +Potassium,Dissolved (mg/I as Na)
Strontium,Dissolved (ug/I as Sr)
Sulfate,Dissolved (mg/l as SO 4)
Uranium,Dissolved -Extraction (ug/I)
Uranium,Dissolved -Direct Flourometric (pci/I)
Zinc,Dissolved (ug/I as Zn)
Zinc,Total Recoverable (ug/I as Zn)
Organic Parameters
Aldrin,Total (ug/I)
Aldrin,Total in Bottom Material (ug/kg)
Biochemical Oxygen Demand,Five Day (mg/I)
Chlordane,Total (ug/I)
Chlordane,Total in Bottom Material (ug/kg)
2,4-0,Total (ug/I)
2,4-0,Total in Bottom Material (ug/kg)
DOD,Total (ug/I)
DOD,Total in Bottom Material (ug/kg)
DOE,Total (ug/I)
DOE,Total in Bottom Material (ug/kg)
DDT,Total (ug/I)
DDT,Total in Bottom Material (ug/kg)
Diazinon,Total (ug/l)
-
-
-
-
"-
-
...
-
....
-
-
-
-
-
-
-'
-
-
-
-
-
-
-
-
-
-
Dieldrin,Total (ug/I)
Dieldrin,Total in Bottom Material (ug/kg)
Endosulfan,Total (ug/I)
Endosulfan,Total in Bottom Material (ug/kg)
Endrin,Total (ug/I)
Endrin,Total in Bottom Material (ug/kg)
Ethion,Total (ug/I)
Ethion,Total in Bottom Material (ug/kg)
Heptachlor.,Total (ug/I)
Heptachlor.,Total in Bottom Material (ug/kg)
Heptachlor.,Total Epoxide (ug/I)
Heptachlor.,Total Epoxide in Bottom Material (ug/kg)
lindane,Total (ug/I)
lindane,Total in Bottom Material (ug/kg)
Malathion,Total (ug/I)
Malathion,Total in Bottom Material (ug/kg)
Mirex,Total (ug/I)
Napthalenes,Total Polychlor (ug/I),
Parathion,Total (ug/I)
Parathion,Total in Bottom Material (ug/kg)
Parathion,Total Methyl (ug/I)
Parathion,Total Methyl in Bottom Material (ug/kg)
PCB,Total (ug/I)
PCB,-Total in Bottom Material (ug/kg)
PCN,Total in Bottom Material (ug/kg)
Perthane,Total (ug/I)
Phenols (ug/I)
Silvex,Total (ug/I)
Silvex,Total in Bottom Material (ug/kg)
2,4,5 -T,Total (ug/I)
2,4,5 -T,Total in Bottom Material (ug/kg)
Toxaphene,Total (ug/I)
Toxaphene,Total in Bottom Material (ug/kg)
Trithion,Total (ug/I)
Trithion,Total in Bottom Material (ug/kg)
Trithion,Total Methyl (ug/I)
Trithion,Total Methyl in Bottom Material (ug/kg)
Vanadium,Dissolved (ug/r as V)
Radioactive Parameters
Alpha,Dissolved Gross (pci/I as U-NAT,ug/I as U-NAT)
Alpha,Total Suspended Gross (pci/I as U-NAT,pci/g as
U-NAT,ug/I as U-NAT)
Beta,Dissolved Gross (pci/I as Cs-137,pci/I as Sr/Yt -90)
Beta,Total Suspended Gross (pci/I as Cs-137,pci/g as
Sr/Yt -90,pci/g as Cs-137)
Radium 226,Dissolved -Random Method (pci/I)
Coliform Bacteria
Coliform,Fecal -0.45 UM-MF (Cols./l00 mi.)
Coliform,Fecal -0.7 UM-MF (Cols./l00 mi.)
Coliform,Streptococci Fecal (Cols./l00 ml.)
Coliform,Streptococci Fecal -KF Agar (Cols./100 mi.)
Coliform,Total -Delayed (Cols./100 mi.)
Colifornt,Total -Immediate (Cols./100 mi.)
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CLIMATE AND WATER QUALITY
PARAMETERS MEASURED BY R&M
Climate Parameters Measured
Wind Direction
Wind Speed
Temperature
Relative Humidity
Solar Radiation
Precipitation
Peak Wind Gust
Water Quality Parameters Measured
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Field:
Dissolved Oxygen
pH
Conductivity
Temperature
Carbon Dioxide
Alkalinity
Settleable Solids
Laboratory:
Turbidity
Total Dissolved Solids
Total Suspended Solids
Total Phosphate
Kjeldahl Nitrogen
Total Nitrogen
Nitrate Nitrogen
Ammonia Nitrogen
Chemical Oxygen Demand
Hardness
Chloride
Color
Sulfate (1)
ICAP Scan
Uranium
Radioactivity,Gross Alpha
Organic Chemicals
Total Organic Carbon
Total I norganlc Carbon
(1)ICAP Scan includes:
Silver
Aluminum
Arsenic
Gold
Boron
Barium
Bismuth
Calcium
Cadmium
Cobalt
Chromium
Copper
Iron
Mercury
Potassium
Magnesium
Molybdenum
Sodium
Nickel
Manganese
Phosphorus
Lead
Platinum
Antimony
Selenium
Tin
Strontium
Titanium
Vanadium
Tungsten
Zinc
Zirconium
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APPENDIX E
MISCELLANEOUS CORRESPONDENCE AND
MINUTES OF MEETINGS WITH VARIOUS AGENCIES
R&M CONSULTANTS,INC.5024 CORDOVA.BOX 6017 •ANCHORACE.A'-ASKA 9950.2 •PH.907-279-0413 •TLX.090·25360
ENGINEERS
GeOLCCISTS
PLANNERS
SURVEYORS
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April 2,1980
Acres American,Inc.
The Liberty Bank Building
Main @ Court
Buffalo,N.Y.14202
Attention:G.Krishnan
Re:Water Quality Program
servation
Dear Mr.Krishnan:
R&M No.052303
Meeting with Alaska Department of Con-
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On March 28,1980,a meeting was held with Dave Sturdevant (ADEC)
concerning the Susitna Project water quality program.Present were Jim
Landman,Larry Pederson and Brent Drage.The meeting addressed the
present status of the Susitna Project water quality program and a request by
ADEC,that they be kept informed on the Susitna project progress.
Attached is an informal response by ADEC to the Water Quality Program as
outlined in the P.O.S.We explained that the Water Quality Program is
currently under revision and once it is finalized we would send ADEC a
copy.After describing our program and quality control procedures,he
appeared to be satisfied.We are entering him on our Data Index
Distribution mailing list so that ADEC will be kept abreast of our progress.
Very truly yours,
R&M CONSULTANTS,INC.
Brent T.Drage,P.E.
Susitna Project Coordinator
BTD/dj/L3-N
ANCHOR ACE FAIRDANIo<S JUNEAU VALDEZ WASILLA
02-00161Rev IOr761
'::;TATE
of ALASKA
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TO,r
FROM,
Dave Sturdeva.nt
Management &Technical Assistance
fA ,._/./
Jeff Hock /"~
EQH&LO f VI
DATE:
FILE NO,
TELEPHONE NO,
SUBJECT,
Harch 14,1980
Comments -Acres pas
Susitna Hydro Development
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The following comprise a summation of comments regarding the water
quality section of Acres American plan of study (paS)for Phase I
Feasibility Studies of the Susitna Hydroelectric Project.
1.The POS recognizes the inter-relationship between water quantity
and water quality.
2.Definitions of s~~er and winter should be more clearly defined,
utilizing break-up and freeze-up as transition boundaries.
3.USGS will monitor ~~m~~~on a continuous basis.This will
be essen-tial for permit and certification purposes.An under-
standing of natural temperature variation will be valuable.
4.Due to the glacial origin of the Susitna River,turbiditv
should be monitored on more frequent intervals through the
summer mon~~s,including data at peak flow periods.
5.Field ins~rumentation should be clearly established,including
models and degree of precision expected for each parameter.
Methodoloqy for each parameter should be established and
clearly referenced.It should be EPA approved or meet
specification guidelines.
6.In order to assure accurate and reliable data,Acres should
include an outline of their quality contr~~progra~for each
parameter to be monitored.How often will the instrument be
calibrated?What approach will be taken with regard to
standard and reference materials?Each parameter should
institute some plan for quality control over the results.
7.Methodology utilized in the collection and transport of
samples from the sampling point to the location for analysis
should be clearly defined,including sample container prep-
aration.
8.It is unclear as to what is Meant by total nitrogen on pg.
5-56.Nitrate (N03)and nitrite (N02)nitrogen would be more
valuable for monitoring productivity.It is the soluble,inorganic
nitrate (N03)nitrogen that is utilized by the aquatic primary
producers.Total kjeldahl nitrogen will monitor the degree
of organic decomposition present.
9.It would be valuable to acquire background data regarding
nitrogen gas.Nitrogen supersaturation is a problem associated
with large scale dw~s.The potential has been addressed in the
pas.thrOUGh enGineerinq desion considerations.
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....1.
Dave Sturdevant page 2 March 14,1980
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10. Methodology for total dissolved and suspended solids should
be defined,referred to 1n StandarJ Methods (14th cd.)as total
filterable and non-filterable residues.Exceedingly high residue
levels can produce interference in filtration,and drying.
11.The type of trace metals to be analyzed should be specified,
including methodology,equipment and degree of precision.
12.A biological inventory should be established through coordi-
nation with respective resource agencies,so ADEC can determine
what species and life stages are most biologically important
and sensitive.
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I FILE:f~"f)oO.II,-f'Tc5
aJ ~III1YMMD
~ALASKA_
Cc.E 1Jv4.Jacuary 31.1980
...Edward bed
Ten.atrial ~1rOOMntal SpecialUta IDe.
LD.1.!os 388
Phoenix.Bev York 13.l3S
Dear Ed:..
We reviewed the hydrololY sectioa of the orig1n.al Acres P.O.S.to
cleteraine if the p1anaecl el1aatolopc:al IIOD:1torlna efforu would be
'ar1equa~.for b1&S-8't:OdJ.ea.ve concluded that ad41t"'10D&1 atatious
w1l1 be neceasar:r.the eacloaed lUll indicat..approxbaate loc:atioa..-
we reeo tDd.We algeJIt U.M of tha standard SoU eon.ervatiou Se.r-
YiJ:a saov coar..uu:l rec~d that SI)OV cour...be ruD .~all diJIa-
toloaic:al n~~.
I .uu-st that othar project••part1J::u1ar11 furbear.rs.-7 'baYe adtU.-
t'1oaal aeea.A coord.1nat"approac:h 1IIDald be .,rt dfktat.lie
1IOGlAl apprllCute it if yoa wvuld l:aaft the byr!rologUta review oar
propoNl a10aa rith od»er..we are wU11D1 to ~1f,.our ~
aoarf'bat if pece.uary aDA vU1 participate 111 __of the field
ac:unti..such ..Mttba up etatioua aDd.at l ....t so-.data pthe:r-
ma·
tie v111 alllO oeea .:»re IJDOV data dowMtran.but vaut to -.it unt.11
we ...ide:atUie4 potential .1t••for deuiled veptatioD~.
!hue 81tes will prababl~be ~n acJ:u.:1hl.the dig..apette.aa and
1_a;teA,..to operua.
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1M had a aoo4 MetiAa with Jay after ..left Pa.1rbanb.It vi1.l tda
•vb:Ue to -.nk neryt.h:1D&oat aDd....8t111 areo't sure U it w11l.
be poa.1l»l.to do all.that lie 1IOU1cl llke.Bove"er.I thiJ:ak ...-.reed
OQ Jagw to approach thiDI.aDd ••uhlUMcl a coocf a.1r of coope:rad.an.
JIeU U __pat the squeeze all you 1M v1ll probably be •jo1Dt Alaska
~t of Fish aDd Gbe -1lniverrity of Alaska effort.
n..eDC.1ollell schedule is prel1a.1ury an4 j~de.a.l.s viu _jor field
acUnda.we vU.l ref1JYt l.t as tM SO alO11$and supplement it.in our
-.a.t.hl7 reports.
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\\•----),...//PROPOSEDDAMSITES-I".fAt..EXISTINGSTATIONS~•U.S.G.S.GAGINGSTATION\•SNOWCOURSE7PROPOSEDSTATIONSf0SNOWCOURSE0STREAMFLOWGAGING"3-~l",\'VWATERLEVEL*SEDIMENTDISCHARGETYONELAKE\E9WATERQUALITY'-,:>6.SNOWCOURSESUSITNE/'REQUESTEDBYLAKEADF&GRIYTALKEETNAMILES,/Nr"'-',)(-lL(...J0l\)0f,IWEST~o~0-,:..SUSITNAHYDROELECTRICPROJECTPROPOSEDDATACOLLECTIONSTATIONSINTHESUSITNABASIN-1980
-MINUTES OF MEETING
held at the offices of
USGS,Anchorage.Alaska
on Friday,February 7,1980.
February 11,1980
P5700.14.07
P5700.14.03
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PRESENT:
Mr.Don Baxter
Mr.Brent Drage
Mr.Ian Hutchison
Mr.Tom Trent
Mr.Richmond Brown
Mr.Bob Madison
Mr.Bob Lamke
Mr.Bi 11 Long
Mr.George Clagett
Mr.Larry leveen
Mr.Harry Hu1sing
Mr.Brent Petree
APA (Project Engineer
R&M Consultants
AAI Consultants
ADF&G
USGS (Associate District Chief)
USGS
USGS
AK.DGGS
Soil Conservation Service
USGS
USGS (AK.District Chief)
AK.DNR
1.Presentation of Meeting Agenda (Don Baxter,APA)
1.1 Attachment 1 lists Agenda
-2.Rules of USGS Partici ation in
Harry Hulsing,USGS
Data Collection Pro rams
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2.1 USGS can only cooperate with State or other government agencies
(i.e.,not private consultants)
2.2 Constraints:USGS basic responsibility is regional assessment if
water resources (i.e.not site specific work.)They must satisfy
this responsibility in any cooperative program.
2.3 The State G and GS (Geologic and Geophysical Survey)is the designated
agency for cooperative long term programs.
2.4 Currently USGS only has sole Federal funding to operate approximately
30 gaging stations in Alaska.The rest of the stations are run as
cooperative programs.
2.5 In presenting new cooperative programs for funding the need for the
information must be emphasized.
3.Current USGS Program in The Susitna Basin
3.1 Summary sheet was tabled by USGS.See attachment 3
4.Outline Of The H drolo ic Data Collection Pro ram Contained in the Acres
POS Brent Drage,R&M -see attachment 2.General comments by the USGS
was as follows:
4.1 Vee Site Gage (Cantwell)-could be of interest to USGS only if we
ensured it was not drowned out by reservoir
at Watana.
page 2
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4.2 Watana/Devil Canyon Sites -site specificJof no interest to USGS.
They did not feel discharge would be
required at Devil Canyon.
4.5 USGS are interested in gaging other tributaries such as the Tyone river.
4.3 Maclaren at Paxson -
4.4 Susitna at Denali -
USGS interested but would perhaps consider
relocating further downstream at some
future date.
Bad gaging site.Not of major interest.
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-4.6 USGS amenable to go along with temporary locations for first part of program
and to relocate to permanent sites at a later stage.
5.USGS Participation in Proposed Hydrologic Data Collection Program
5.1 USGS sees problems in obtaining additional funding for cooperative
programs.
5.2 Attachment 4 was produced jointly at the meeting and lists all potential
gaging sites and indicates which of these the USGS has no interest in ..
5.3 USGS indicated they would review this table and respond in writing to
APA outlining which of the remaining stations they could service as
part of a cooperative program and what funds would be required.
4.7 Sediment gaging -
4.8 Water quality -
No need to collect sediment data the way
it has been done in the past,i.e.more
or less random sampling.This has led to
most data points being on the recession
limb of the hydrographs and therefore not
ideal for defining the sediment:discharge
curve.Event type data collection is
required to improve the current sediment:
discharge curve,(i.e.intense monitoring
during a range of storm or major runoff
events.)
In general same comments as above.There
is no need for extensive in-organic water
quality data collection.They believe it
would require a large expenditure to achieve
more comprehensive information on nutrients
and suggest programs.be geared to study
particular problems;e.g.
DO -Critically low in late winter,may be
problem downstream from reservoirs.
Fe -Reducing environment created under ice
cover due to Fe in solution;once ice
disappears Fe goes back into bottom sediments.
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page 3
5.4 Note:Attachment 4 also includes the three IIS ou thern Tributaries ll
;
i.e.,the Deception and Willow Creeks and the Deshka River.It was
agreed that these would be treated seperately under the auspices of
the environmental task.(Task 7 in the POS)
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6.
5.5 Any cooperative program should be finalized as soon as possible so
that it can be submitted for funding.
SCS Participation in Hydrologic Data Collection Program
6.1 George Clagett informed the meeting that U.S.Corps funding of the
existing course stations in the basin had been withdrawn.No
February 1,1980 survey was undertaken.
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6.2 To reinstate and complete this winter's program SCS would require
approximately $3000 and the support would have to be finalized before
the end of next week (i.e.Friday,February 15.1980.)
6.3 George Clagett agreed to send a letter to APA indicating what the
requirements of the SCS are to:1)complete this winter's program,
2)expand this winter's program to include the proposed additional
stations mentioned in the Acres POS.(confirmed in subsequent
telephone conversation between R&M and SCS,2/8/1980.
7.DNR Participation in Hydrologic Data Collection Program
This matter was not pursued because of lack of time~
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IH/ja
cc:B.Drage
D.Baxter
File
,!/A-Reported by _-::----:-:-----,,....-;----.:._-...:./_/_
1.Hutchi sco
SUSITNA HYDROLOGIC
DATA COLLECTION
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1.Introduction-
"
AGENDA
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Don Baxter -Alaska Power Authority
Brent Drage -R&M Consultants
2.Hydrologic Data Collection Program as envisaged December,
1979.
streamflow
Sediment
Chemical Water Quality
Snow Surveys
3.Summary of U.S.G.S.,S.C.S.and D.N.R.comments.
4.Participation by U.S.G.S.,S.C.S.and D.N.R.
Installation
Monitoring
Equipment and Supplys
Schedule
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SUSITNA HYDROELECTRIC PROJECT
HYDROLOGIC DATA COLLECTION STATIONS
Stream Gaging Stations
.....
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*
*
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*
Susitna Near Denali,
'"
Maclaren Near Paxon
Susitna at Vee
Susitna at Watana
Susitna at Devil Canyon
Susitna at Gold Creek
Chulitna near Tal keetna
T aI keetna at Tal keetna
Susitna near Parks Highway Bridge
Yentna near Susitna Station
Susitna at Susitna Station
15291000
15291200
15292000
15292700
15294350
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*
*
*
*
*
*
*
Sediment Gaging Stations
Susitna near Denali
Maclaren near Paxon
Susitna at Vee
Susitna at Gold Creek
Chulitna near Talkeetna
Tal keetna at Tal keetna
Susitna'near Susitna Station
Chemical Water Quality Stations
Susitna at Vee
Susitna at Watana
Susitna at Devil Canyon
Susitna at Gold Creek
Talkeetna near Talkeetna
Susitna near Susitna Station
*Data Currently Being Collected by U.S.G.S.
.SY:a.r/,#.Jc<.lIdCresr-sr.y-fSTt:Af-/(JQf'~'I",a...8aS/~'S("/lA;rG~";>C'4Sr'p1}!;;TCl/{'eCffcf/-l!tVCXAGClPAI'1'7C~/"'"ST/kSc\"""..'J"'-.~/S'::#'11~':;¥ettrSPerlu!Yearsk::'#G!I/v9.::5cP//.1~A//""57/f71/1"'/f=f*/9/974-5_.-1/'1~7-GI,IN'''';,;'-~~.Acf-I/IPZ7016f17~,./I-J/"74"::...'"--..../9C,3-J97Z-Ac.Ilv(!201/9..(~-6/,'l'lISt?-~8.Acf'lle96'0-,/7~-7.-)--II.7-6.B.75..;/1/9ft,7-7tJ19("'Z-7Z.lJ0fclh'2?S./2.9/9'57,11--~'9.1fY,$a-S3~/7"7:'"At"'f/f/P9.C/~.IIi"/-:'~s-Ji~5J-S-(;.~7'i(---,I"~C>7-JJ,~vz,;[.,71--I"7~17..../../..;14-I/Q73..771/9;8..59,/f~7-7Z./J/s-c,87MIt7-'8/10~~7/4I')t:;4.IJ9t;4'1f•1906Ach~p-f.()cJ019;(1-..-Ift3-7Z1/97/...1Z./970-7/•P/sc.73..-,)9~?71Asc,ij._.1/9(;3-/'17/-7Z.l4c-f,,,e..•---/97OJAcflvt.------IActlve------iA~;",II'!---/91/'1511"?/I/'16t-G8./teflvec;/37.1167"~8'7'?--fS,I4-/975-/75;.701'/15'-IA-rf~¥~<Zfl4-7~oO7.f.:-'tS1IIGenero./lz.ed-L-ndexofP"./~c,,/~ec.tedcd6~/J!!bytJ,5,Ge-o/'?J'/t"a./SurveyN1-,S7ATltPNL0'ATloN'PRAll/AGEP/tILYf)II/lOVrIFICAT/O//IVAIL(J..1-Jfvc/cL~na;A.JtJ(..A;?E:A-'.-"Mb'('m/z)Perlo/529/ol?o<;;,1",Int'>.P.y,r&:]0~h'/4'11147"'~'".57"a.9S0jq57-aOpnCL!;?:A-1l)2CjI/ooIRa..+-fC1nY"/}P'7cd/k:;:"j",HTtl4111/4-7"/;:'ZZ"-1,':53/1"2 9IZ.()~1Jv1t1.rIa..rq1-1f(4-7'-Va'3"07'/0111/4Z"~/4L;'t280/9"(11-.oo..~~oJ".1529/SaOk';Jso,In()..fH,-'kZ"4/1)-/'V47~;;:'~'"4/+0ICJ(,/-12-I!0.11';~JI'VI-~/52?Z()aDl-sf).1"dha.K1A.+~o/d'Vr,z°1-£'tJ4.71/.::;q°4-/2114-6//(;,()/<]1-7-Crl>pk./Sz?z4ooIC'/7UIiIhO.I?ny/,,~?,,'-:rt"')";0°14//')Z'145'/0/95':~.7?7o.1trppii'{-.Nt:'../52~Z.700'To./ker1"11t1R/7rZz02o'4q71/..;"0°010/1Z/OO~/9(/,4--ro.1k..t!.7/no..../52'12800Ivf6ufal1tJ(..nr.t.2.0oi,,7~?-'IJt;f)CloJ'12'-/64-I)4~nfj.'J.JA./<2CJZ9()OiGooS"E'Cnr~Z()()3'4-zlf1500ot20'/1-,SM()ufar?a./5'2'1"1000co..StUfl/(I'>I1r~/"S(,5r;711/5'0°tJ~'14K/'1,(,ICaf'UIPrl!iIIIt)Z996t'.~IIJJ,Il/,C/.!;-fA},l~(JJ61"4C'44"1/4'1"5Z'-14..'1/6(:,/'178-I15Z?'1-QJ0IIPeCfPhoJ1t.nr~/o14'5ZIfIJ49"t;t:;'59'148/7'/d'-Iwlllou)I:,I/52~4100!~~skQ.If/,~(;Ie4Gla,"/50().!c>'IG"-r9Z1978-IIwll/~w:1IIIIIt;Z94;oo[r:;-k"'~J.'1fl1'~hi'l{,/o52Z'!"1/5"I"'z2'Col"2/2,0/'159-I5'11'w1U."n/?/5Z~43.lJl')lD'u1"/h1Clfaf!m-It.?2.'4/1/';-0"30'4~f/9405/914-:5()If;(I..sfo..l/of;""
1 -\)tJ)4L.~"-STlo/ili.f..MJA)q>#2,lOt)(Tl(,$,'2.-"DESla"H3VEs-VS~~UlA..'I>1/~Pt~rr;Dtl.f}tN"'"H",rOSrE;....11tit:s/0,PP-a-IraHb....,-p..AUPR-tZ;c.(P"q.."o1\J~;4CST~fllJ'NHI4tCHG.....i:JIvSNltC-I(c;O~ITNA-''5~Of2.T:S~r..,lot.Q~j·'"InO~W-Cunf2.~ilvTI~jS,Oal...,.o{OM)COIlf2{;.fvT:vscaep·S/.~"OS-h'lt$Q.tJ+-3"jgol,..olVC>~lm.'("~it..ClD~1ta.1:l·O~/_l~T(COVl~·ttuOl.J"SULALA.~~)FuTvt2.-€.:'7,,--+_le()n~~t>:CSJ.S(Q.."lJe""+re.bt~61)REO!!J1A><.sOl\J(.MA(~../'J<5HOn..'tDc..Qab::,II"!I~1\t~1e.n·b..{TOes~Q.J."f'e.'ZJ<.s.0<.boue(~OS""~b/~ClrQfi-t..T:QICO~/l:.NI:oso..£'oLoN6;•~eJ..c>cOrti,V\P't)fo(v:d?$(Quea.,.treA.Qteol)l="t.Ii'V12-€~1-'R",dr1.oder'q(ZH.!>vIH(,.'-fON€.\~Holtr~C~a.bou~t04lA1r.'t:-UtU'Ui.,..:IdOrvE.LON6~'l.pelJPtK1.--,0'CVL-.et>liK-1~11uJS.Furuz..€:1.",,LI'lO+e\1elitol/C~a"pit~t~\I'3HOvlH(OS'1~TNI4)$l-{ottTtt1<abovecurt",1;:1\1it-C.U~~l~-NcNELOI\(:)~ttrefU"I~a.,11Q,..nd,.,PilIP'/Vi)~C?'_:......:fc.O-<(FlJTV~:~,IVeE.(>US'ITN14)SHortf~Ots~b4~LOI\Q~l~(<'~~~1l(Mc:..VUNT:-CCJ~~~d'tVJ'..pta""A-Ptll1'r.~(et'UC1\'r~y~<:.Q~'I)..b:c::.i'?W~S.,Tf=uT(A').F;:~j)'......,......,U:'v-e...+-ovi~J.,.L11'\J)Ilvl1~J\(SU\llJVl\)~t<Da.:f"~9..Qbove.c...nJfl.£"·t--i"-GtJ1'/41.t::../VT~N(jfVr...-LOf'0.J6~~"e.Pll'''~~O~-cp,We{S(o(!LlI1t..A)FVfVJ!..£:APAON~'i111S<l1l..c.fttJ'(OIoJ(~tHtiN.\$ttt(1;:0oSabov~UA2Q~/'Ui~-Curuz.r::-IVI'NIJN(LoN(,~ItI(e.DR'PO(.oD:${Q.1Z.CXi'a"Q:,..~(Qf=""iV;(...(I,:MA,o~,.:../I(:,(X.}6/Ui.~I~D'I1'N11'1$J.£~~a,a."""eUlttQANi't:e~Tt.vQC.UU'NI,()S(oR.Ps/1:"6~+;Iis,o"l30/t!oILO"-U'.~'PfD.iee.Tpt..Fo1~e~p~po~;):c(i-tf"'"c:uilJtU;::Il'v\t~n:taiV\"(e~ircM",tl.W"1Stu'i~()(UD6(.(OH1/'tTIV)5Hoc.1:atbOIl'tWM(;.""1'.~~C1\1~C.VtLl£~'"t-Joe.JE',1..LOp..::.lrJEiItftTf1tj<r,o~A)UJAJOt,1ptt#o~D:I;.,'-IQ~I,PvTVrt-E:MAo~v})• ••<I.."..I2-PI1IlI<.SH!..J'I(~~rT~'SI-(QIlt:G~obo\leCf-.~t'0CM~e:Nul'\l€iILOJ\Jc,',li":@rtG,W,F:A--PAFt1Vi), ,II...'I,IHOLfi}((Yt;fVTri:)IS/'{Qrt1:a~'!c:"-~!me.c.~No~0IIto/Vb'.;1\11rt~J..N,-:.'"J.,P',ttlAf:ApA-I........r..~<!.A'·"11-ANi.. ......"I.v~?(Sea(tji"e...A??)I,I'5U<lilVAsTMlOl\J(~OS/Tt-A)SHIIG7:CH~"oue.L.oN():~II~oAA~Jt[..~ri<f\J.J"AIC',G'L~IIL4*c~v>co~rs/v:;os1irt50(.)+1~/g/)I1·-.i~p~•\I•(';y..IIIIl'ttLl((b.iNA(T1ttJ.(((i1\Il1)SHoal:()(,wvec:G'15,wqc:u<;'6$,Os'!iii»+ea:tet"\$41,O.---i-kI.r,v.>u;;;.•/
F;.A<;%(1.tvTrtl(JUT~L(:,:SoII~-~-E;JI--ITo/jl'fI,I'llfl1h'"1\uF.f1;tf=~~Ao~~a,vE.5.PA-1l-trnfrTf,.IlStplt~ICt"J4-110""'",<;""i"InIfY'.>Iflt,cCfs--IIl~~.,~I--I,D~€P11lftVI)~t-IOrt,T',ow/±as(l.lt~(.(OVloC.'fi,..,c..'"AIr1":N'H."FuN)~:USG'SIA.PO(IV+p.-fIec.c1-~I'x..vrvG"pu,iec.i",,'t...~"'1Cl.,0"'I0t9Q:.0">it4tic.~!Y"1.QPRdJ()!~:Ol-le...'1.1"r1T"IIIwll-loL.JJlAlHIi[\I\II'D€SHl<:1llIIIIIIIiIi..if1'IIiHI!-IiII1'k11hVIl'vtTI~DII:~t>hIIiIf>'f...'"V1I1t1rJHi\.k,i'A't-G(l.ex.(Jj•iII\IIIIiIIIIIIIII'I-i~-~-....._..~
_..-..~.._._-,.."--.-..-----II'IIII!II--1\-------I,I~-IIII,III\I"--IIII;-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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APPENDIX F
MONTHLY STREAMFLOW DATA
FOR ALTERNATIVE HYDRO SITES
}1)l1JJl\11111IISNOW[lAMSITE:========:============================~==============================================~=========~=====~======.'sn~EAMFLOW(CFS)----------------(JCTN(J'-1DECJANFEBMARAF'r~MAYJUNJUt-AUGSEF'YEAr~(31>(;30)(31)(31>(28)(31>(30)(31)(30)(31)(31,)(30)1664.343.241.74.58.42.78.349.2702.343.O.o.2323.138.51.31.25.31.46.257.1665.-2904. 2009.2~!00•3243.308.162.58.39.37.40.182.2709.3101.3258.1762.4189.63.3EI.31.26.25.49.241.1447.3385.2047.3030.5160.9B.59.36. 32.30.27.94.1463.3512.2146.EIO1.•61125.~j44•176.93.66.4'7.119.1192.~.'j016•4329.3269.137().71001,.129.70.52.40.34.51.505.2275.2503.2472.7:L6.8299.257.106.65.40.32.36.193.1324.4350.2436.13:LO.9148.70.43.40.34.31.52.264.1044.2901.3194.776.10115.99. 93.46.41.44.67.318.2E150.2337.2449.3451.11.828.32=~•107.83.51.40.136.368.3285.2990.2814.299.12HIe)•11'7.73.48.37.33.77.708.:~397•244;'~•2028.275.1.3229.162.98.6;3.57.42.56.1843.2692.3317.2289.822.14237.164.199.256.108.52.66.930.2901.3710.2792.15'75.15221.128.60.49.38.29.91.224.2316.2987.1847.372.16314.269.93.55.53.60.49.285.1480.3443.2215.1447.1'7272.103.116.'78.56.39.134.216.3628.2939.2962.1575.:L8269.177.:1,20.94.52.71.135.220.1578.3018.2283.1575.1924'7.87.68.55.39.39.66.207.2692.2978.;3373.;:H)l,n.20444.164.74.47. 43.39.48.289.2285.2572.3020.4El29.21314.14'7.112.84.78.lOOt59.689.2057.2727.2132.422.22136.1.06.52.31.3EI.39.83.486.=5545.2829.81,3.=599.233734.277.267.121.1:1,9.10~j•94.314.1891.2'787.2498.5~32•24145.698.102.49•.41.40.43.189.2451.4265.:~83=~•1360.25265.94.59.35.27.31.29.:L63.982.2794.2582.1:~82.2623:1..103.63.430.35.35.53.291.1449.2~565•1756.677.27140.73.57.43.35.33.67.67.2125.25:1.8.1ti21•41.130.
BRUSKASNADAMSITE:======::=;;==;=================~~====~=~================~=====================================;=~=:=~==~====;STREAMFLOW(CFS)----------------OCTNOVDECJANFEBMAI~APRMAYJUNJULAUGSF.J:·YEAf~(31>(30)(31>(31)(28)(31)(30)(31.)(30)(31)(31)(30).1~j()3•211.188.179.151.142.213.2016.2286..1782.1712.2539.2697.466.338.229.174.146.1.60.719.3400.2674.1781.14613.31049.439.465.119. 101.128.201.1318.3134.'1771.1915.2096.4631!1•256.211.183.152.119.137.1197.2203.1928.2413.14913.t:;688.417.191. 183.183.'174.146.1540.3874.2963.2624.19171•t.71.7.334.2E19.1.92.174. 146. 151.19'12.4116.2677.261f.1.1776.~I'7E154.41.3.2EI~3•201!1.H17.171'1.209.1872.3969.2835.246'1.lB29.B£104.381'1.266.19~5.:1.76.168.197.1762.3736.2669.2319.1721.961~)•330.202.178.151.114.146.1946.273~5•2645.204f3.1417.10831.480.314.2(~6•234.210.196.2476.1329.1945.2~306•2245.:t.:t.761!1.2Bl1.266.244.177.181.268.2395.3082.2480. 2636.1566.:I.:~ElEn•46f:l.308.260.200.179.206.1fJ66•4451.2787. 2081.=~211•13f:l53.442.256. 210.1.92.:1.74.192.1647.3651.3507.2827.:1.33~~.14946.371.16~5•174.137.:1.19.174.285.3802.2820.1711.1147.1~:i935.411.24EI.176.:1.41!1.146.230.2009.3751.3180.1503.~H06.161016.412.247.197.:1.74.165. 183.U.99.4799.1881.2210.1660.:1.7712.239.204.1.79.].I!14.~51.151.1603.3291.18'16.3064.1403.:1.1:1738.436.307.256.220.1.99.19;!•1906.4649.2282.1190.746.1.9416.130.85.75.73.76.164.HI07.2063.1160.824.600.204:1.7.241.H18.1I!17.160.156.168.152l..2447.3130.2293.:1.261•2161.1.246.:I.EI:1.•:1.50.:1.53.:1.46.139.751.5969.2567.2917.:1.61.13.::!;.~807.451.28~!•:1.58.146.146.149.178().3281.2013.:I.ei:l.~5•1140.23729.365.246.210.197.187.18EI.:1.698.:50613•1891.203:5.1061..ItttItJ•tItIII,,
)Il,t11)l1}JI)11I\EETNA{I{"MSITE==~:===~=================================~==~~====~=:==================================================~~=:~:~;~=STREAMFLOW(CFS)-------~--------OCTNOVDEC..JANFEBMAl;:APRMAYJLJNJULAUGSEF'YEA':~(31>(30)(31>(31.>(28)(31>(30)(31>(30)(31)(:n)(30):L1115.1:7;68.:1.110.'720.620.540.580.3474.11090.1218().11150.10bl0.24438.1460.S'76.711,•526.395.422.2410.129'70.10100.107;30.53'70.32:m8.897.750.637.546.471.427.4112.'1286.12600. 14160.69'71.42029.1253.9B7.851.777.743.983.8840.14100.11230.75·46.4120...-1637.82'7.556.459.401.380.519.3869.5207.7080.37B'/•~!()'70•..I61450.765.58'7.504.458.440.545.3950.'71"179.10320.8752.591"13.l2817.:1.647.1103.679.4:::;(1•402.503.2145.19040.11760.16770.:"jl"lI"lO.EI2632.:1.310.~j4~j•72'7.628.481.518.:3516.1,2'700.12030.95'70.0709.9;'56~iO•13'70.EIEl9.'748.654.~574•571.;3E160.12210.76'76.1"11'12'7.31M:t•.1.0100'7.(NIO.74~5•645.~;;51'1•482.535.5678.8030•1'755.T704.47c13.1119'76.1002.774.694.'5E16.50B.522.4084.13180.12070.fl48'7.'7960.I')2884.77;'5.~55B•524.480.4'70.613.3439.10580.9126.80813.320~:)•,.~J.31857.1105.:1.069.700.549.506.548.4244.182E10.9344.8055.:51"163.143268.1:1.21.8~1()•746.576.485.534.2('150.'742(1.10790.7001.::.)367.'.,
BROWNEDAMSITEI===~~========~============~================================================================================l1STREAMFLOW(CFS)----------------OCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEF'YEAF~(31>(30)(31>(31>(28)(31>(30)(31)(30)(31)(31>(30):I.1894.794.707.673.569.535.804.7598.8616.6715.6453.9561r."I2626•:1.756.1273.863.656.552.604.2709.12816.10080.6712.5~:j35•..:33955.1656.1001.449.380.483.759.4969.l1E112.6674. 7219.7906.42398.966.71r4.690.573.449.518.4510.8302.2'767.901r6.5645.:::;2591.1570.721.690.690.656.552.5804.14603.1:L166.Ir890.n50~5•62702.1260.E16:3•72~)•(156.I::""t::"")569.7::'j09.155:1.4.10090.91369.6694.,J;J,;.•73218.1~~56•1064.773. 703. 673.787.7047.14943.10674.9276.6BB5.B3084.1491.1020.742.(174.645. 754.6754.14320.10229.BBIJO.6598.92319.1242.76:'5.669.5(19.431.552.7336.1.()300.9961r."7719.~:;:542•103133.1800.1.1E14.1077.883.790.738.Ir334.5007.'7321r.136Ir2.13416.l:L2888.1052.1.004..918.666.683.1011.9027.1161(J.9348.99:55.~5904•J':13320.1763.1159.980.756.673.814.7033.16777.10504.'7843.EI:·533.,~,:1.33216.1667.966.794.725.656.725.IU159.13761. 13220. 10656.5021.143565.1398.621.656.518.449.656.1073.143:31•10621:1.6449.'l3:~4•153523.:I.::'j49.935.66:5.552.552.~~82•'7571.14138.111r88.~5966•793'7.163830.1553.Ir32.725.65(1.621.(190.4520.1801313.7091.133:50.6~~29•172685.901.770.6'76.618.569.569.6042.12409.10915.1155().~521j10•HI2781.1643.1:1.56.956.828.749.725.7H14.19~)23•8603.44f:1(1.2812.1(r1:i67.490.321.284.27(1.285.618.61312.7774.4372.31.06.2260.~,~()1570.90El.'707.63:1,•604.587.6:55.5732.7224.:1.17913.13644.4n:j2.•212302.I12B.603.59'7.~j76•~:;52•525.2830.22499.9676.1OljlIjI4 •6()ljI'7."I')3()40.:I.'701.:1.063.:j97.55~!•5~52•~:j62.6708.12367.'75813•571.:1,•4:~lf6•...:.,;..232747.1377.";2t1.790.742.704.707.6401.11~j63.7129.7671.~59lfljl.tJtt•II•II••IJJJ,
11l11 ) 1 1}JI'}J1 1 IJ }TALKEETNA2DAMSITE~=~=================~==========~====================================;A===================================~:STREAMFLOW(CFS)_._--------------ocrNOVDECJANFEBMAl;:APRMAYJUNJULAUG8EI:1yE(lf~(31)(30)(31>(31)(28)(31>(30)(31)(30)(31)(31)(30)1472.664.470.305.263.229.246.1472.4699.5161.4725.4496.'11881.619.371.301.223.167.179.1021.'549tl.2480•4547.2275....:51021.380.21B.270.231.200.181.:L742.3935.5339.6000.24~54•4860.533.418.361.329.3:1.5.4:1.7.3746.5975.4758.3HI'7•1746.~;5694.350.236.:1.94.170.16,1.220.1639.2206.3000.1605.077.6614.324.249.214.194.H16.231.1674.33E!1.272~:;.~5708•2539."71194.698.467.2E18.194.170.21:-5.1'109.8068.41i83.7106.2538.IDU,15.em5.231.308.266.204.21Ii.1490.5381.5097.405~j•:56'iO.9J.:7j38.581.377.317.277.243.242.lt136.5174.3253.4206.1636.JO766.407.:516.:';!73.237.204.~~27•2406.340:5.3286.~5264•20:Ll3.11837.425.:528.294.248.215.221.:1.73:1..55135.5114.:3596.:33'73.121222.32[1.2:36.")"''")203.199.260.:L4::'j·7.4403.3925.34:';!7.:L350•.:...:....:....1.37E17.468.4:S:~•297.2:~3•214.232.171/8.7746.3959.3392.252'7.:1.4:1.305.475.:3t,4.31.6.:~44•206.22t,.:1.250.3148.45'72.296'7.22'74.
I-lICKSDAMSITE::=:==;~==~===:===~===~~====~~====~~:~=::;:::::;::::~;:==~:===::=:=:::~:~;:=:::==:=:====;~;:~=========;======~=;====:~~==:~:==~~~=~~:=~~=======~=~~:~:==~~HI~EAMFLOW(CFS)-------~--~-----,OCTNOV[lECJANFEBMAI~AF'I~MAY..JUNJUt.AUGSEPYEAf~(3:J.)(3(»(~H)(31>(2El)(31>(30)(31>(30) (31)(31.>(30)11791.'774.391;>•237.146.14~1•180.939.:3824.5193. 5124.2::'j97.'1J016•4:1.0.3:1.2.270.24(1.2::';(7.2~S9•919.2583.60:1.6.43(,2.5'71313•.:..3Ud,?•6":'''"291..20~)•1'73.:1,62.:1.51.535.~~54~5•~5296•4991.2073...J..I•4:1.917.(;>EU.766.540.432.281.270.1098.6138.7f.133.:51;>69.2'7(17•l;;'"9~14•448.28:L.216.:1.'73.140.137'.119~5.3633.4477.6225.2949.,J6964.601.218.312.23'7.20~)•:J,:J.9.286.2166.5824.41(,4.:~~:;~'5:~•l'783.24~:j•211.:1,73.162.1'73.25(,•:I.o:n.3447.:"jB51.•:5:7i40.23131.El1:1.2B.446.41~L27:1,•lEl9.~~7~5.28:1..1351.6414.:7;57'7.4904.::i6l:l'1.9~:.~2~:j~::j•11~)::'j.530.39:3.202.240.24:1.•949.:7i;H4.544:':~.4i:l60.:W32.l()l:l9~~•::'j6:'.'j.:~~~.~:~.:I.7:3.1'70.182.15:J..1:1,14.~5~5::!4•:51:14:L•.(14::50 •:r.BlJ~::;.:1.1128l.696.4(70.:328.::!5(f•.254.259.1675.4056.~)038•5:1.05.3',n:l•1"11629.57El.3B~1•34(7•293.243.232.1:J.:35.3404.4728.5050.:3436.,;..13:I.24~.:j.b26.3::i6.270.248.237.281.71'7.460:J..6103.5047.:~652t-.1.4114'1.5()1•~3'78•356.345.:323.313.:J.024•24°fJ5•61413.~)549•:3:1.60.:I~51319.446.:~99•3fJ9.34~"'j•240.238.:~72•:7i:l.40.:S4ElO.4n'j2.246"7..1.69170.4(7:J,•399.324.:';!9:l.•240.216.~:i6(;>•2:~4~:j•4652.:'f766.~H03•II1417.~jHl,33~5•227.H14.:~05•259.5~5~'5•40lf4.5172.4J.OB.2'10;3.t•tI•IItfI•tI III•
l1lI,J11}}1,11I1CHAKACHMiN{1[IAl'1SITE=~;:~======;====:=====~=:~=~~~:=~::~::===:==:=;=:=~~;~~:~~~~~=:=:=:::::~;:~:====:~=:~~:=:=:============~==~~~==~===:===~:~==~==~=:~~~:===~=~~~:~~~::~=~~sn~EAMFU)W(CFS)~---------_._-----OCTNOVDEC..JANFEBMARAPI:;:MAY..JUNJULAUG!:iEPYE/·)H(31>(30)(:51)(31.>(28)(31>(30)(:51)(30)(31)(31>(30):I.:~022•992.C!)~)8•504.381.3'10::';250.1483.6368.10500.10300.4364..:.<.:J."11800.1116.882.817.lEI0 •544.394.876.5673.12090.12330.6989...:..32638.1200.730.690..6:·H).540.470.620.5222.:I.:~OOO.12285.~5317•41.827.1144.744.5~j~3•3D7.36:1..332.748.3441.12640.1224~).'77;39.:527MJ.1384.l1007.618.4:56.434.370.471.6278.10590.1.2030.5654.62026.1090.E152.c!120.449.360.350.525.2114.10020.:I.31fJO.10260.74027.:1.180.650.480.400.350.:350.6:L5.5995.10040.10310.7142.83790.11.00.820.600.500.430.380.935.6616.14380. 16610.7333.C"i29:~9•1565.947.626.5:~5•490.5:1.1.1695.6190.12580.:1.2170.4369.10l5~-j2•939.823.c!139.~j50•500.533.1003.6548.13100..13416.~5~547.:1.13098.:1.822.1006.705.~:j68•550.625.1285.4893.9960.131384.36B7.:1.2220:1.•1247.E129.532.467.467.692.2381.10930.14470.13710.4513.1:"5:1.351.902.726.585.4El4.446.481.906.4294.12860.12750.69'}5.
STRANDLINELAKEDAMSITE==:======~===z~==:========~::===:=~======:::=~:~:=~~~:~=~==~:=:~==~============~=~~==~=~==:~=:;===:==~========;===~~:=~:=~:~~=~::=:~~:~STIi:EAMFLOW(CFS)-----------------OCTNOV[IEC.JI~NFEBMM~,AF'F~MAYJUNJULAUGSEF'YEM~(3:1.)(50)(31>(3:J.)(28)(31>(30)(3:J.)(30)(31)C3U(;'50)197.'18.~,::!•24.HI.16. 12.72.30'7.:506.497.2:LO.")87.54•4~5•39.3EI.26.19.42.2'74.5{~3•594.33l....3:1.27.~jB•3::5.33.:~O•26.23.30.#')I::'")627.5(/2.256.....J.....4ElB•55.36.27.1'I•1'7.16.36.166.609.590.373.1::-13;3.6'7.49.30.21.20.113.23.;303.511.500.2'7:3...JfJ'lB.53.41.30.2~~•1'7.1'7.25.102.48.O.o.7:1.94.:7i7.31.•2:·3.:1.9.17.:1,'7•30.2139.4134.41Jl.:H4.i:lHU.53.40.:':'!9.24.2:1.•HI.4:i.~'H'J•fJ'J3.BOl.;'5:;;i4•9:1.42.75.46.~~O•26.24..,.:'82.298.60'7.::)B)(.:.:.!11.,,;..;.Jt40fJ:--.1.07::i•45.~~5•31..2'7.24•26.41:l.316.632.1ell•II149.88.41J.34.27.2'7.30.6")236.400.4213.1"70..:..121Oe).60.40.26.23.2:i.33.11~5.~52'7•691:1.1306.:!:I.U•1365.4~~•~,5.2B.2~,•,,':)23.44.207.620.61~5.~L,'7•.........,••tIItt,IIJI I•IIJt
1I)1I1IltIJ .1JIIALLISONCREEKDAMSITE~=~=========::=:==:=~=====~~=~:~=;~=====:~=:==~:=:=~::~=~~:~===~~:====:==:==~=========~========~==~~:~===~===~==~===~~=;==~:=~~=STREAMFLOW(CFS)----------------OCTNOVDEC.JANFEElHAI~APR'HAYJUNJUL~'lJ13BEP(31.>(30)(31>,(28)(31>(30)(31)(30)(31)(31>(30)YEAF~(31)117.1.6.1 •O. O.O.O.O.19.131.210.92.216.4 •3.2.1.O.O...2.48.""1"I258.90.Il.';'':'"319.3.1 •1 •1 •O.O.6.62.1134.:l23.1/5.49.:~.2.:1.•1 •1.1 •4.104.201.22'}•210.5B.2.2.1 •1 • 1 •1 •8.66.163.1'J6.102.631.2.2.:I.•1•1.:1.•~~.E'i8•215.222.:I.~54•724.5.2.1 •1.1.1 •.,.91.218.257.'/4•..J.8:34.4.2.:1.•1 •1 •1.•4.56.147.200.1(.12.9~)7.1."I:J••1 • 1 •j,•1 •B~~•:L30.:I.7fl•:1.:~4•.....104clt4.1 •1.•:1.•1 •1 •3.63.120.:J.30.1139.1161.8.1 •:I.•O.O.1.6.99.118.241.221.:1.2I;;·....)1 •:1.•:I.•o.o.1.2:1..91.12E1.170.220."',,;..1313.17.~5•1.•1.2.1 •30.69.116.:L~~3.4~5•1419.1 •:J.•1.1 •1.1 •30.190. 170.:l10.H2.:1.5r)L":''")1~)•1It•2."I2.2.3~5•IJO.143.:L'54.[lCI....""J..:..•....
(P570006)CASHEDAMSITE:=================~======;~==~~:::;~:~:~~~===:::::~~===:::=:~:=:::=:=:::=;:~~=:=:=~:~===~======;~======~=====;==~~=============~:~==~==:~~=:~~;STREAMFLOW(CFS)~_._._---_.__.------,OCTNOV[lEC~JANFEBMAl':."APRMAY..JUN•.JULAUGBEP,(EAF~(3:1.)(~~O)C5:I.)(31,)(2t!)(31>(30)(31>(30)(~51>(31)(30)1.321.4":'~):3~~()•207.:1.79.156.167.1.001.~H95.:"5501;>•3213.30::'i'l•",J.....")1279.421.")r.;o"'.,20~j•1.,:'~)1.14.1.42•694.3737.2910.3092.1547."-....,J..:..••~JIo·...3680.258.21cr.184.:I.::'j"7•:1,:3c)•12~L11,8::'j•2676.363:L.'lOBO.=-!()01;>•4::-iB::)•:362•2f.l4.245.2~~4•2:1.4.283.2547.4036.3236.~~174.l1D7.&::•6:1.2.309.200.1"72.:L50.142.11;>4.1447.11147.2647.14:L6.'1'1"1.•J6~54::!•2El6.219.HIf.l•1.71..16:.:'i.204.1477.::!9f:l3.1019.:3:~'7::.~•224:1.."71.05:~•,'S16.'11.2•254.:1.73.:L50.1813.802.'7J.:L9 •4397.6::,~'70 •2240.89B4.490.=-!.O4.272.235.lElO.194.1,315.4748.449D.~357l:1.~3256•91357.51.2.332.2ElO.:~4::=j•::.~1.~5t21,3.:L443.4"'"'c'2B70.3711.1444.~)(;hJ•106/6.3:7i9.279.24:1,•::.~09.:LOO.:WO.2123.3002.2131;>1,•2:~BO•1"701.11'731,.3n:i.:!B9.259.:.!19 •:1.90.1';>5.152"7.'1920.4~'513.31'7:~.'2976.12lO'7B.2EII;>.::!()I;>•196.1"79.176.229.1256.39~5c)•337::'i.:30::.~'1•119B.L'5694.4:L:~•400.~!62•205.1FJ9.205.158'7.6B34.34'74.291;>:~•22:~(1.14:1.222.4:1.I;>.:"5::.~:~•2'79.2:1.~:j•:1.81.200.1:1.03.2'777.4034.26:1.13.200'7.JIIJ,IIIJ,IIIIIIIII
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--
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APPENDIX G
CLIMATE DATA STATIONS (3)
CLIMATIC STATIONS IN THE SUSITNA BASIN
Measured 1IndexReport
Number Station Name By Available Period of Record-0610 Susitna Glacier R&M 7/20 -8/7/80
8/7 -8/14/80-8/28 -Present
0618 Gracious House NOAA B 1959 -1978
".0620 Denali R&M 7/18 -8/28/80
8/28 -?
10/17 -Present-0630 Tyone R.R&M 8/27 -8/30/80
10/17 -Present-0640 Kosina Cr.R&M 8/25 -Present
0650 Watana R&M 4/8 -6/10/80-6/19 -7/30
8/14 -10/2
10/17 -Present--;
0660 Devils Canyon R&M 7/17 -8/28/80
10/16 -Present-0670 McKinley Park NOAA B 1949 -Present
0671 Healy 2 NOAA B 1972 -Present*,..
0672 Healy Power Plant NOAA Miscellaneous Wind Data*
.,.0673 Healy Power Plant II NOAA Miscellaneous Wind Data*
0674 Rapids NOAA Miscellaneous Wind Data*
-.
0675 Big Delta NOAA A 1949 -Present*
0676 Paxson NOAA A 1922 -Present-
-
A Annual Summary with Comparative Data (see Ref.11)
B -Annual Climatologic Summary (see Ref.11)
*Miscellaneous Wind Data
-
-
-
1 NOAA Reports Available:
-
1 -Index Measured Report
Number Station Name By Available Period of Record
0677 Gulkana NOAA A 1949 -Present*-
0678 Summit NOAA A 1946 -Present*-0679 Chulitna R.Lodge NOAA B 1971 -Present
0680 Edgemire Lakes NOAA B 1971 -Present ..,
0681 Chulitna Hwy.Camp NOAA B 1972 -Present
0682 Talkeetna NOAA A 1949 -Present*-,
0683 Willow Hwy.Camp NOAA B 1977 -Present -0684 Whites Crossing NOAA B 1971 -Present
.0685 PuntiJla NOAA B 1949 -Present -
.0686 Skwentna NOAA B 1949 -Present
-..
0687 Anchorage NOAA 1946 -Present -A
-
-
1 NOAA Reports Available:
A Annual Summary with Comparative Data
B -A~nual Climatologic Summary
*Miscellaneous Wind Data
...
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-.
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MISCELLANEOUS WIND DATA
Stations:Healy 2,Healy Power Plant I,Healy Power Plant II
Table containing wind speed percent frequency and cumulative
frequency at one meter per second increments.Table containing
wind direction frequency in percent.Table containing wind speed..-
and joint frequency.
Station:Rapids
Period summary by combined velocity groups (1 to 12 observations
daily)covering 1935 -1941.
Station:Big Delta
Period summary by combined velocity groups ( 1 to 3 observations
daily)covering 1935 -1941.
Station:Gulkana
Percentage frequency of occurrence,direction by speed groups -
a summary of the data between January 1945 and November 1958.
Station:Summit
Period summary by combined velocity groups (16 observations
daily)covering 1940 -1941.
Station:Tal keetna
Period summary by combined velocity groups (16 observations
daily)covering 1940 -1941.
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,.,...
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APPENDIX H
SNOW SURVEY -STATIONS
AND PERIOD OF RECORDS (3)
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0800 SNOW SURVEY
Snow depth and water equivalent data have been collected by the
U.S.Soil Conservation Service,the_Alaska Department of Fish and
Game and R&M Consultants.The locations for which this informa-
tion is available are listed below generally in order from the up-
stream end to the downstream end of the Susitna Basin.
The ADF&G markers have been established for the purpose of
studying the effect of snow depth on game movements.There are
8 locations each along a tributary stream to the Susitna River with
4 - 6 aerial snow markers at each location.These markers are
placed at different elevations moving up the stream valley.
The cross reference numbers for SCS sites listed on the following
page correspond to map numbers as published in the Snow Survey
Bulletin issued by the Soil Conservation Service.Cross reference
numbers for R&M and ADF&G snow courses are arbitrary.These
will be changed to map numbers when they are included in the
Snow Survey bulletin.
All of the data fisted can be obtained from the agency responsible
for the snow course or from R&M Consultants.
-
Index
Number Course Name
Measured
By
Cross
Reference
Number
Years of
Previous
Record
-
Drainage Basin -
-
-
-
-
-
-
-
-
-
-
-
Maclaren River -
Tyone River
Tyone River
Oshetna R.
Kosina Cr.
Oshetna R.
Goose Creek
Coal Creek
Gaging Station Cr.-Jay Creek
Kosina Cr.
Watana Cr.
Fog Cr.
West Fork GI.
West Fork GI.
West Fork G.
Susitna GI.
Susitna GI.
Susitna Gl.
Susitna GI.
Susitna GI.
Susitna GI.
East Fork GI.
East Fork GI.
East Fork GI.
West Fork GI.
Susitna River
Butte Creek
Butte Creek
Butte Creek
15
14
15
12
15
B-3
B-2
B-1
26
30
8
7
6
5
4
3
2
W-l
W-2
W-3
5-1
5-2
S-3
S-4
S-5
S-6
E-2
E-l
E-3
25
29
31
R&M
R&M
R&M
R&M
R&M
R&M
R&M
R&M
R&M
R&M
R&M
R&M
SCS
R&M
R&M
R&M
R&M
SC5
R&M
SC5
5C5
R&M
SC5
ADF&G
ADF&G
ADF&G
ADF&G
ADF&G
ADF&G
ADF&G
Crevasse
Mt.Hayes*
Caribou
Malamute
Mt.Deborah
Aurora Peak
East Fork*
Pyramid
Jatu Pass*
Monahan Flats*
Denali*
Butte Creek
Moose
Red Fox
Clearwater Lake*
Tyone R.*
Lake Louise*
Little Nelchina
Kosina Cr.*
Oshetna Lake*
Goose Creek
Coal Creek
Gaging Station Cr.
Jay Creek
Kosina Cr.
Watana Cr.
Fog Cr.
Cirque
Ice Cave
West Fork GI.*
0802
0803
0804
0805
0806
0807
0808
0809
0810
0811
0812
0813
0814
0815
0816
0817
0818
0819
0820
0821
0822
0823
0824
0825
0826
0827
0828
0829
0830
0831
*Indicates site with snow course and aerial stadia marker,all other aerial stadia _
markers only.
-
I~-
-
-
--
Index
Number
0832
0833
0834
0835
0836
0837
-0838
0839
-0840
0841
__0842
0843
0844
0845
0846
,a ....;
0847
0848
-0849
0850
_0851
0852
_0853
0854
0855
0856
0857
,,,..0858
0859
-0860
0861
/".0862
I
-
Course Name
Devil Mountain
Fog Lakes*
Watana Camp*
Devils Canyon*
Devils Canyon
Tal keetna R.
Chulitna R.
Talkeetna
Middle Fork Iron Cr.
Rainbow Lake
Bald Mt.Lake*
Talkeetna R.Pass
Sheep River
Sheep Creek Cirque
Upper Kashwitna R.
Kashwitna R.Cirque
Little Willow Cr.
Independence Mine
Deception Cr.*
Mt.Bullion*
Capitol Site*
Willow Airstrip
Tokositna Valley
Ramsdyke Cr.*
Dutch Hills
Peters Hills
Chelatna Lake
Skwentna*
Alexander Lake*
Haggard Cr.*
St.Anne Lake*
Measured
By
ADF&G
SCS
R&M
R&M
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
SCS
Cross
Reference
Number
1
24
124
135
137
22
134
136
23
133
132
131
130
129
128
33
142
141
140
32
21
20
19
18
'48
28
Years of
Previous
Record
10
3
13
1
13
1
2
15
1
1
1
1
1
1
13
1
2
.2
16
12
16
12
16
14
15
Drain~ge Basin
Susitna River
Fog Cr.
Susitna River
Susitna River
Susitna River
Tal keetna R.
Talkeetna R.
Susitna River
Tal keetna R.
Tal keetna R.
Tal keetna R.
Tal keetna R.
Sheep River
Sheep Creek
Kashwitna R.
Kashwitna R.
Kashwitna R.
Willow Creek
Willow Creek
Willow Creek
Willow Creek
Willow Creek
Kahiltna R.
Kahiltna R.
Kahiltna R.
Kahiltna R.
Kahiltna R.
Yentna R.
Yentna R.
Copper R.
Copper R ..
*Indicates site with snow course and aerial stadia marker,all other aerial stadia
markers only.
,
0900 SNOW CREEP'
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R&M is currently planning to install devices for measuring the
effect of snow creep forces on transmission line towers.Two
locations are planned along the proposed transmission line route.
As this data is collected,it will be filed at R&M according to site
number and name.
Some previous research on snow creep was done by the U.S.Army
Corp of Engineers in 1974,reported in the following paper:
Snow Creep Investigations in Southeast Alaska;Meyer,
Robert.Alaska District,Army Corps of Engineers.
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APPENDIX I
DATA COLLECTED BY
ALASKA DEPARTMENT OF FISH &GAME (3)
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DATA COLLECTED BY
ALASKA DEPARTMENT OF FISH AND GAME (ADF&G)
FROM THE SUSITNA RIVER BASIN BETWEEN
1974 and 1978
Barrett,Bruce M.1974.An assessment study of the anadromous
fish populations in the Upper Susitna River watershed
between Devil's Canyon and the Chulitna River.Cook Inlet
.Data Report No.74-2.Alaska Department of Fish and Game.
Division of Commerical Fisheries.56 pp.
Streamflow,water quality and water temperature data have been
collected by the Alaska Department of Fish and Game at a number
of locations within the Susitna River Basin.Since the measure-
ments have been taken periodically,the number of measurements,
timing and specific parameters measured vary from year to year at
any given station.I nformation available from the Alaska Depart-
ment of Fish and Game has been included below.These reports
are all on file at R&M Consultants.
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Figure 10:
Figure 11:
Profile of Susitna River water temperatures for
September 4 11 at Gold Creek and Devills
Canyon Fishwheel Camp.
Profile of water and air temperatures recorded
daily at east bank fishwheel.
Friese,Nancy V.1975.Preauthorization assessment of anadro-
mous fish populations of the Upper Susitna River watershed
in the vicinity of the proposed Devil's Canyon Hydroelectric
project.Cook Inlet Data Report No.75-2.Alaska Depart-
ment of Fish and Game -Division of Commerical Fisheries.
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-121 ,pp.
Table 10:
Table 11:
Table 12:
Table 13:
Survey of winter conditions in I ndian River /
Lane Creek and Gold Creek.
Analysis of Water Conditions in f ndian River,at
Chase Creek,1974 -1975.
Analysis of Water Conditions at Gold Creek,
1974 -1975.
Analysis of water conditions at Parks Highway
Bridge,1974 -1975.
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Riis,James C.1975.Pre-authorization assessment of the Susitna -
River Hydroelectric Projects:
water quality and aquatic
Department of Fish and Game.
preliminary 'investigations of
species composition.Alaska
Division of Sport Fish.61pp.
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Maximum daily water temperatures of Birch
Creek,AprIl 11 -August 30/1975.-
Maximum daily water temperatures for Willow
Creek,April 10 -September 23/1975.
Figure 1:
Figure 2:
Figure 3:
Daily water temperature in the Susitna River at
Parks Highway Bridge,June 20 -September 23/
1975.
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Table 9:
Table 10:
Table 12:
Maximum and minimum daily water temperatures
for the Susitna River at Parks Highway Bridge,
June 20 -September 23,1975.
Maximum and Minimum daily water temperatures
from Willow Creek,April 11 -August 30,1975.
Maximum,minimum and mean values of water
quality data collected fl"'om the Susitna River and
seven tributaries of the Susitna River.
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Table 14:Water quality
March 25,1975
Sunshine.
analysis
from the
on sample taken
Susitna River at
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Table 16:
Table 17:
Table 18:
Table 19:
Table 20:
Water quality data collected from four tributaries
of the Susitna River,August 1975.
Water quality data collected from the Susitna
River above Gold Creek,August 1975.
Water quality data collected from the Susitna
River above Portage Creek,August 1975.
Water quality data collected from 15 sloughs
between Talkeetna and Port,age Creek,August
1975.
Water quality data collected from Susitna River
near Jay,Watana and Deadman Creeks,
Riis,James C.,1977.Pre-authorization assessment of the
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proposed Susitna River Hydroelectric Projects:preliminary
investigations of water quality and aquatic species compos-
ition.Alaska Department of Fish and Game.Division of
Sport Fish.91 pp.
Appendix A
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Table 1:
Table 2:
Table 3:
Table 4:
Table 5:
Table 6:
Water quality data collected from the Susitna
River at the Parks Highway Bridge between
July 21 and October 1,1976.
Water quality data collected from the Susitna
River at the Gold Creek Railroad Bridge between
July 13 and October 1,1976.
Water quality data collected from the Susitna
River upstream of Portage Creek between July 15
and October 29,1976.
Water quality data collected from sloughs Band
10,between June 25 and September 30,1976.
Water quality data collected from sloughs 11 and
13 between June 23 and September 30,1976.
Water quality data collected from Sloughs 14 &15
between June 25 and September 30,1976.
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Table 7:
Table 8:
Water quality data col fected from Sloughs 16 &17 -
between June 24 and September 29,1976.-
Water quality data collected from Sloughs 18 &19
between June 15 and September 29,1976.-
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Table 9:
Table 10:
Table 11:
Table 12:
Table 13:
Table 14:
Table 15:
Table 16:
Table 17:
Water quality data collected from slough 20
between June 24 -September 29,1976.
Water quality data collected from Willow Creek,
Little Willow Creek,Kashwitna River and Caswell
Creek between July 21 and October 12,1976.
Water quality data collected from Sheep Creek,
Goose Creek and Montana Creek between July 21
and October 12,1976.
Water quality data collected from Slough 3c and
Chase Creek between June 26 and October 1,
1976.
Water quality data collected from Fourth of July
Creek,Gold Creek,Indian River and Portage
Creek between July 17 and September 28,1976.
Daily maximum and minimum water temperatures
in the Susitna River at Parks Highway Bridge,
June as -October 26,1976.
Daily maximum and minimum water temperatures
in the Susitna River above Chase Creek,
June 21 -September 29,1976.
Daily maximum and minimum water temperatures
in the Susitan River between Devil's Canyon and
Portage Creek,June 22 -October 30,1976.
Daily maximum and minimum water temperatures
in Birch Creek,June 26 -December 2,1976.
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Table 19:Slough 8 cross sections and stage gage inform--
ation.
-Table 20:Slough 10 cross sections and stage gage inform-
ation..-
Table 21:Slough 11 cross sections and stage gage inform-
ation.-
Table 22:Slough 13 cross sections and stage gage inform--
ation.-
Table 23:Slough 14 cross sections and stage gage inform-
ation.-
..Table 24:Slough 15 cross sections and stage gage inform--ation.
Table 25:16 and gage inform--Slough cross sections stage
ation.
Table 26:Slough 17 cross sections and stage gage inform-
ation.-
Table 27:Slough 18 cross sections and stage gage inform--ation.
-Table 28:Slough 19 cross sections and stage gage inform-
ation.-
Table 29:Slough 20 cross sections and stage gage inform-
ation.
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Table 30:
Table 31:
Table 32:
Slough 3C cross sections and stage gage inform-
ation.
Chase Creek cross sections and stage gage
information.
Tributary flow data,1976.
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Riis,James C.and Friese,Nancy V.,1978.Fisheries and Habitat
Investigations of the Susitna River - A preliminary study of
potential impacts of the Devil's Canyon and Watana -Hydro-
electric Projects.Alaska Department of Fish and Game,
Division of Sport &Commerical Fish.116 pp.
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Table 8:
Table 10:
Table 11:
Appendix It
Table 2:
Table 3:
Water quality data from selected tributaries to
the Susitna River,1977.
Water flows of Montana,Rabideux and Willow
Creeks from May through November,1977.
Daily maximum and minimum water temperatures
from the Susitna River at the Parks Highway
Bridge,June 27 -October 12,1977.
Water quality data from sloughs and clearwater
tributaries of the Susitna River,June 14
October 5,1977.
Daily maximum and minimum water temperatures
in Rabideux Creek,May 25 -October 23,1977.
Table 4:
Table 5:
Table 6:
Daily maximum and minimum water temperatures
in Montana Creek,May 25 -November 6,1977.
Water quality data from Rabideux Creek,
May 25 -October 27,1977.
Water quality data from Montana Creek,June 7 -
October 26,1977.
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