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HomeMy WebLinkAboutAPA3522U ITNA HYDROEL!CTRIC PROJECT C~IJIT1Al. OOCUMIIIT NMUCMD WOIIK f'IIODUOT Naf'AHD ,_ ANTICI~ATlOH OF LJTIOA TIOH IIISTIIICTEO OIITAiaUTION D AFT REPORT SUSITNA RIVER AT WATANA AND DEVIL. CANYON STREAMFLOW TIME SERIES 8U.ITNA JOINT VI:NTUR DRAFT REPORT JANUARY 1815 ctl'lfiD( L\i.r PRIVIU:CCD IIIII( Pti!DJCI Pti(PM[D v; AHTICIP~IION or liT ICAIION1 RCSIRI.CifD DIS IR lliUIION SOSITRA BYDROBLECTRIC PROJECT SOSITN~ RIVER ~T W~T~N~ AND DEVIL CANYON S'l'R!AKPLOif 'l'DIB SBRUS Report by llana•!buco Suoltna Joint Venture Prepared for Alaoka Power Auth orit7 Draft leport January 1985 RECEIVED 'MI 2 ! 85 ALASKA POW£R AIITHOIIO"'' ncn tnnz Ltn or UJI.ZS LU'T t.O z.o l.O 4.0 IDlltlS lU ITIID'r s smar .1 ltruafl In aio11 4.2 Struatl u apoalhoo .l Proc 4ul'e for nil ll -~ Seq Allj c.. t to 1969 Steu&fl S.O Q.ACEU ll 01 6.0 U IYOlA l'fAPOUTl 5 IUUlTI •• ll ia z z 2 ) 5 ' 1 ' 2 J 4 5 6 7 a 9 10 ll 12 lJ 14 15 2 421493/TOC 150122 1.1117: til U&U Titu lloatb 11 ltreatlov at Vate.aa llaoatblJ Struaflov at Dnil Caa,.oa 7•DIIJ lcre .. nov at V.taaa 7-DaJ Straeaflov at Drwil eao,.oo a.otblJ ltraaaflov at Caatwall MbotblJ ltreaaflow at Gold Creak 7-IIIIJ ltra .. uow at Oold Creak Adjuahaeata for G1aclara Vaata llontblJ ltruaflowa Adjuatad for ClaciarP wa.La, Sualtaa l i Yar at Vataaa Pea l•aporatloo, ~lla1•T Park Pa4 IYaporatioa, ~~aauaka Aaricultural kperlae~~cal sutloe Coapariaoa of llootblJ Taaperaturaa .. t ~aaarYoir IYaporatioo, Vatana laaarvoir ClLaatoloalcc l Data NoatblJ Parcaotaaaa of Precipitatioo LIJ1 CW BDUITI TITLI ltruaf1ow Data o .. d io ·u-Sari•• o\l>al:rail llla.o Aooual Pracipltatioa Nap li REPORT J,O SmaiUT n.ie report pruauta tba ruvlu of ll Hud)' de [0 llpUU the _,ntbly aa,d 7-dar atre .. ttow eeq.,.oe .. et t be llotana and Oovll Canroo dAio ahea. n.e upcl.oUd otea U ow .. riu are aiv " in Teblu I throu&b A. f.c:rea -.rleao locorpouted (J.CUS) eoe:-atad 32 1 ro (19.50-1981) of -t:lal7 d 7-dar tt Df aer u u be. at:..,. ....S O....il C.on)'OG aic.ea (Acru, 1) lr Hr. fl Htlaa .,.,e dcr d 1 tb llYer ot Cold Creek and at Cau~ll. The reaultlna aerie• averaan 79.55 and 9056 cubic faet per .. cood (ch) at Watald cod O....il C&Dynn rup.ethdr. The 7-.tar .. rtu ver a bued oo dat a at Cold CHe Suuo • l'boa raa• aa aerie_o '"'•raau 8101 alllf 9191 cfo u taoa and ~ C.onroe ru..-ct ,..lr. Ult Coaa .. ttaou, tocorpouted (RWI) .ood Or. W.O. llarrhoa of the Un veroity of Aluta. bYe iaYutiaat.d probable ..,athly co tTibu lou o( &l.oclcu to raeorcl.cd atTe-n.,.. at Gold Cc-u f-or t • tlla of ;...., t coo for Vataoa baaed on different aeaumptloaa of &lAcier contrlbutione. l. o ac:an ar tu stVDt Th aajar vark it ... af tba ptllaat ltudy iaclude: 1. ..-..iaw .u:a&s' pracc <luru •• Car ,aeauat ao af atre...ttov unu at t .. ,.. ... r, t •• proc <rraa, f a.eauary; 2. IAv ev the atud7 u • h7 IQC ead Dr. Bar rho<~ OQ the coatr llutioa ca nn .. Uov by at.den, aad adopt th* .,,, a.ppropdate utwtu foe poulble .,., In a<~ely•laa .. aeltl•ity o &luler w•eta OD ~•r11 productioD; J. CIU J'lerl 1:912 1: letlaate aet ... ar•oir •••poration fo r uoe a tba reeervoi r operation atudy. SC<r.-fl nriea aaouated l»J &CUS at the d.&. I tu are .Uocoaead bel c-ato and Mceuary U.pro.;-au co chua tiM 1 du abo are diac:uoud • • t un:a5101 AO!S ft ICt • period o 30 JtMrl SO to 19 for -atb\7 atr •fl au •• aod ed tbe ••• table ecre .. llov data at eiaht otre .. lA&ioa ecatioao (bbibit I) to 10t aate aiooloa aoathl7 flova at uch otatloa. Aa ta-bouoe coapuur proaraa, baud on th e proar .. PlLL-Ill d•vllapod b7 c.ba Tea•• Vater De-relopDint laord (1970) vu Ultd ill atwtiaa the .Uta. per lode !or ic: abo ne:l .Uta re nai leble ed tJae per ode f r i.e '-"• date re utl .. te<l are oil.,.,. -b h t t. 21 ) ISOI16 2 tba rli.L-DI coapuur proan• .h baoad oa • ule£-aLte reareuloa t chalq.,. c aA.e LTJ'•• .oathly atr urilUI and utiaatu a 1 .. la uta. tbe proF• e<rd,.td ataciacieal ;>*rwuan (...,.•, u.uckrd •ut ou, lq ••to-co~r• aL oa co•f{ic ••~• •ad •ulti-•tte •patial ~or~elat oa c011f c.lcnca) ich dla •••tat cal pu tb• priaary obj cth•• of ACJlr.S ' o~>alJolo """ to aenerace JO )'llrl of IIDnthl)' otra•tlov uq ... ncu at C.ntvoll ocr•-a•aina ltor on. Tbau data •• uaed vbh tbooa at COld Cra&k urea llll"l atat{oa to en 1aata flovo at tl•• tirO daa .tcu. A e-pad1oa of the lt.atlatlc o l per-tara of recoT<Ied 111d tllled-a data ear u at C...cvell, provlded b7 .t.CUS (l91 ) , iadicueo rl7 ..... atecbciul. par-tan io botll c.nu. 1nf T"t,, the )0- yur 1truaflow riu at C. II La co 1 red ac<: put.l•· tilt _, 17 u.-flOON n C.Cc ell ud u Cold CT"ad .,.,. 1 eo io a.lolu S a 11 6 • • 2 ~ TIAJSPOSinOif ACU derl•ed tba ..,ntbly ocruafl"" oedu .c tho tvo dea 1 tu tUiaa tba lollowtq reladouhipe: Cloc • .).l!T ( Clc -Clc ) • Clc • o. 51) <Qc -Qc ) Clc La c.b QI)C thl, ·-... DeY 11 Can)'Oa Ov • tloathlJ flov u W1taa1 Qc • MoathlJ' flov It Cold Creek ; Qc • Kaatb ly flov It c ... tvell Tb cCMffici.eat of o.an u the ratio of aocl ~"'il Cclyoa to t llt becveaa ~ ... ft ~i t of 0.)15 dL~ tiLt o of th• A[.&lla t;r that: cv•.a CAll 1l nd COlo! 421493 &50116 It tbe draiaaa• ara11 btt .,. Cant II 11 r otc! Cr• Sl.llarl7, , ... •r•u bet ... ~·· • cl • po .. Hoo o · u.,_ -, dr. ic.&D.t ..,..,. •t&oa • •••• t¥a ue.aa. tloh ..... -.t... lry u r tbe ,.-aclpl utiaa .. P a (SCS 19 1). a tua aod O.v 1 t.yoo arc a boot l • ad 16.8 iacbu, rupe.c iYdy. n. 1\U' upet~•-of Cold CTae'i: ito about l6 .6 ell •. 'DI.e diffarm~cu io the HAP• petr• of t • r;b r ae. local ooe ar lu aol f C:ltlt. tharefora, oo adjuoc.enta to tba Tba ralat l 011.1b pi alven II oq ua tiou t a Dd It v •• DOt uud to ........ c. 7- day flov aaq ue o c:u. ln a t~ ul , ACU.S co.putad the 7-da)' ttr ••tlov udu at u c b aita by •u l tl pl7lna t ba obnrved 7-day fl • It Cold CrulL vit tba rat lo betv o tbe d ra l Ga l• uuo upetr ... of tbe alta and that upatraaa of Cold Cr •.Jl. Tbe U • at Cantw II .,. ... DOt uaed becauu tb 7-da7 0 • n aot poarated at Caotv ell for tba .U.aoiA& period of record u tba atatio... ad d ffuut •tboda co aa rete tb<t ..,otbly ed 7-day atn.-n .... • r u, atr-now dau f tha dopt..ed for the vu aada to nalu a tbly •• ,. uu .. r...-• taw .. ~cud yt.on. u.. u l 0 pe.rc:a ot .. o•• l'&t lry i I ut i oAa a<:ctar•ey of n U.e 010 .u.. a tat ••U. a pr able ~or of !, to ,!.10 parent (USC$). SiAce l ao ll. • h fa r to • 4ifhr ca ia -u.ty 1 ,. floot eer ·•• .... 'tbi<> tb • •.CC'UTaCJ, lootb eert..ae ld oo-..-lly be c.oAo dared accaptabla for ruOTo r oparuioe ocud i u. var, rcfioad rca rvo r oparatin& JU delioeo are o bela& t r.ulat d to opt!.ue project ..:o.....,ic: f••• blli.tl' aad to a1tabl tb .,.., ro-ntal flow c:ooatraintl at Cold Cru.k. und•r varioll.ll power d 11 93 50116 od •c•nodoo. Total eneriJ' product loa io be 10& u r.i.ated for both 100otllly aod we ekly noervoir o~ratioo atudieo. reaulto io eoeray produ c tioo becaooe of the diacrepaoc: leo lo the loterveoioa11 flovo derive .! fr-•ontbly ood 7-day flov oequanceo. Therefore, co.putatiooo ver ~ .. ~~ to re v ioa the 7-cloy flov aequ.nc ea at the tvo claa8itea to provide ~ona i oceo c eoer11 production between the weekly and •nntbly o~rotion ar. .. dieo. Tbe o10atllly flow aequencu lltre uau .. d to be conect. 4. 3 PIIOCEDUI.II fOil ll!:rtS I.liC 7-DAY FLOW Sr.SI1EM.£H Tbe 7-clay fl ow 1equeace ~• at Cantv 11, Cold Creek md the other oi.x atationt u aed by ACI.!S (Acr ... 1982) to o t i••te •iui.na IOOnthly flow• n Ca1otvell, vere r eYiawd. Tb pur?Oae va to oo<:ertain wether the c010puter procr•• ru.t.-DI could be u .. d ~o aeoente ebe llliuiaa weekly duo at Cutvell ood whether the ae 1euted date v ou ld produce cone ioteot iatervenina flowa vitb 7-day f10t1a aenu.-.ced uoioa eq .,.tiono t aad ti . lt v ao concluded tb.at, beceuoe of poor correlation .. ooa veriouo otre .. a.aaina otatiooo booed on 7- day Clow oequeneu, tb" eati.ated flow• at Cantvell ood conoequeatly at tbe two d.a .. itu, vere unlikel y t provide tbe IIIMI interveaina flow1 u der~ •d traa 100otbly flow oequeacea. Therefore, tbe follovioa procedure vao uoed to ~evioe 7-day etre .. !lov oequeac •· l. Aoou• .ootbly otru•flov aeq..eacu derived for the Wataao aod Devil Canyon d ... iteo uoioa equa t ion• 1 ood II are correct; 2. Co.pate in<~<·• loa t lovo tor ucb .on h; 3. eo.pute 7-day ioter-veoloa nov aequeacco fro. the •oathly iotervellina flov aequeace a u . .tq the p&ttern of obaerved 7-clay flov oequeacu at Cold Creek; JJ The te~ iaterveolna f ova me•~• tbe flow coeina aol ly from the drainaae bu La betveen the damJ ad Cold Cruk . 421 93 850116 eo-put• 7-day flow 1eqmooceo oL tbo d..aito1 b7 1ubtcact 01 tho atar- .._nl.nl Llov1 co.putad n ot•p l abo\'o, fr011 tba ab .. rvecl f -day rL oequonco ot Cold Croak; ). La -oaoly U«N .. qU~~Ucu ot ..,. c-.S•rl ed ill otop aboYo ; 6. ec.p•r• the ..,ntllly flov .. quuc .. d rhed io ttep 5 •buve with tho .. dar bad by ulifll equotloao 1 and n. s-dlocrepoac L .. vere not lcod; tl--DC I d OQ 7-day flov 1eq DUI aU • witb the -·"blJ n aeq cee nd eq ci 1 nd 11. Th 1bovo procedure provided the • ot rven l n1 tlowo fro. •' .oocbl7 ond 7-olay flow ooquaocot wboo coeporod oa a acntbly ba1lo. ln eocb vo t~~ year, t I 7-olaJ flaw 1"-'lmlllCI ltarU fr-tho [int O( Octob<!r. Tho flov (Or the lou 7"<11a)' period of Sept ller io cho •-of 11-.ley n.-I" dotd by 7. [a 1 ... , ,..,.. , the flov 011 t 29tb af hb-rwrry v.u ...,t cC'od oiace i.t u 11..._..aUJ arip He~. To c-;><~U Lbly fl &-7-doy fl , che tlDV for a pert of a -fallla1 io I 1 Y D -Dtb voo pcorat d occ.Ordln& CO the ow.bet oC dafo foil 01 In thot .onch . • 4 AJIJUS11«11T to 1969 STUAKrLDII i.od trca tJSO co 19 n D 1969. .t.C:US -da a fr""!UODCJ ..,... ywie oi -tl • It C::Ol Cnelr. and ncwted o ucuru 5*ri.od of .on tbao 1,000 7 ••• for do• 1969 (v•ter yur) n ...... S nco AC'II£9 accepted 1 retorro per od of 30 yean for the .. teet loo of at lovabla ruar•olr drawdCIVQ and tl ra eaeray, tba oboerved 1969 ..... .......... tl of 5 ,l6 ~ cubie • t per ae:-c:oad lO-,..r taw t IQ olo.rl• lll ..... t 2t9l 50116 u n-... cwte .. ... la .... n.. rtc.oc- CD be alnKa~ ,100 ch. a d t.be d llllll'llt ly •tee 6 (cfo) •1• repla cad bf I lbe ann bly Cl r • 1 C4ra aun aont , aa<l •t CJiftt •11 • 10 •• rephced bJ a 10-yur lov flav. Tbe ntoultins 1969 otrauflovo at Cold Creek and Cantwell wer-e uud to c""pute the corrupoadina !Jovo u tbe tva dell oiteo. Tbe 1969 etre&Aflavo included in Table• 1 t rough 4 o f thh report are thou baoed OQ oboerved recorda to preoerv tbe '' ple d io tri butiao of hiotorical data. S.O CUCIU COITUIUT101 Dr W.O . Barriaon and I&K have .ade a prelimin•ry otudy of alacier c ontribution• to nreaeflova at Cold Croelr.. The atudy t<Uulud i11 fin aceudoo of 1tru•flov1 at Cold Creek uch correapondin& to one of the fotlowina oaau•ptiona. 1. Clactau were uouaed to have nee &ero lou durina th e 1949-80 period, but tb u vere annual varlationa in the vutt!. Aon ouol contrlbutloaa durina tb period ve n uti .. ced udns the Tonabor-n r u noff-pncipitation IIIOdal (Tanaborn, 1980 , 1983) and u~ud to odjuat the recorded tlovo. The reoultina flow oerleo reprue11t1 the c onditio•u• of ••ra rontributioM f ro• the glaeiero in each year. 1. Claci.l!ro vere au..-d to h•Ye ,.oted 2S Detert (82 feed duri.aa the 1949-BD ·period. Annual coatributiooo vere eoti-.ce d ueioa the Taqbor-n -de I, and uoed to adju.ot tb t record e d flove. 421493 85DIJ6 ], Clacia·ro .,.ro au,...d co u•• vutcd S •t u ( II fact) durioa tba 1949-80 period . Annual contr butlaoa • cacU..ced ualoa e Ta bono oooolu, mod .,. to adJuat tha rac:ord-.1 I love. Gla< re ere auuAed to have vaned 2l .. cere (Ill had duriaa tba 19 9-110 period. AJm 1 coatribvtiooa .,.u anitut*d ualaa tlHt Taaabora .odal , aad Cut~ 1. j .t t • now uri .. ruuh Ill tr tuc) durloa t u 1949-1980 period. Aooul con.trl.butloao vare utU..t d aa aa t a t.., bono ...Sd, &ud uaad to adjuac the f av oariu ru ltlaa h:011 C.aa I. The tua boro ...SCI c-putae aaau.l alaciar ba ncao by ulatina -uorad ptecip(tat iOD t o aad &00 1 .... Ul.oc of a1a.tiar W tb differaacaa ia t'UOOff ba.tvab> a Jlaciariaed bultl enol a nearby nC>a-alacierlu:d baoia . I&K c-putad • oooolto! par-tare .... na dau fa r oae ahciarhed b.toia, l'bl!.ha Cnoek t1ral11 a1 Cu~ Clac ar, oA ,_ aao-alac uiud aiu lletad bel Sbip cr ... k Sb p Creak Caribou Creak Caribov Cre k Tal ucaa Tba raaultio& tl.a.ta of a tw.~l caatribut oa 1>7 tltt alaciara v ao d atribu ad ia • .ootbt o{ Jua th r ouah Sapteaber baaed oa arer•&• .a thly ;>a ... tvru at Ta.Lke.a.c.a aad • baoa c..paucure of J"F l<~r tltavlaa dearaa dar•. allovioa for • \apta race of &bout l'F par IOOD fat bat aa Te ~~ .. ~a• all tba et.cl.are. 1b.a dllf•••a••• Ia -ntbly eontribucioa.. betve n c. ••• l ead (anll.lldo ,) 11114 C...••• I ..,d l (scnnio U fot tbe period 1 50-79 •r• &i ea la Table 8. Tbe •alllolle ia tlti• uble ccaa t.• • buuted fr-tbou ia Table 1 t.O oltca£11 ad jacacl urua.flG¥11 for llata111 ufl cdaa, ·rup.ct 'nl7, 1S d S .. ~ ... (12 aod I I feet) of aat alaclal "''' d~rioa cba 19 9-10 !H'rlod. n. aci.aco of S .. care (t II feat) of at.c ld wuca ur "I U. It 9-10 period vu band oo tva .. u oe pilocoa uk.eo ta 19 .ad 19110. Sicca cho pbotoe VUI CIUQ lf'itbout Y tt cal 111cl ar ltODUl CODCtOU Cll&l t:ba 111al71 I vu ...Sa oalp for laat. 7 IL CUe ar lcb CDillt total ooly fi•e !H'rCCDt of a Laden i.11 cbe ltuUi, tba ucfaou of •s-~. (I II fon) uco • blplJ opec~l.et .,. d q-at o1111tla. La Y ol tiLo cartanat7 i ella ut ca, Uill ..... &DOtb•t uou.pt 011 of ·u.._c (IZ foat ) vane !.a t 1 c ... putatloo. A. ltda f .. cu ltaboee· &CIILJih u .. d 011 available IODI&II ilobJatll -pi of the baa o &11&1 atr:uafl the llaclA:rl li•ar '""' 1 ucor4• 1 tbe Soa taa lber !lear IIenaU ud 19 ,_110 PIT od aon H u d tblt tba alaci.al vuta d dol claa !.a tb&-order of U •ten (7 [au ). hhtodc .... ,. or -·· ltal.&llC-e llf the s ... lt ... lluian. •acb affurt lo OR!II to tllCallltitut h 1 orical ntu of ••••rdleu of bov • 1lac .:r.. • tl.aatu oro~ld be of b ab wac.rcaltacp. oweve-r 1 o c:ha ab .. ac of .117 !letter afo~t 01), tb• alae •• coatr bucioaa u utwtad bJ' i.WI aud Or. llarriao11 (Tabla I) could ba uaecl Cbrou • oeaa t .,f.ty l.lla lyo • to odjOHtecl rot thue coauibut iou aro ''""" l.a Taltl"' 9. nr, Cb o.djalt:.ad .. rtu obova l.a tb 1 ublo nprooe:ot ao cootribut oo Ot ac lout 1r11t r 4uecioa o coocribut oa .. ubliabd m.S..aca thee ouch • project lo placed a aparn aa. eieuatioD alac:i.au, vill occ"r at "apol'at oa f ro. tho atoaa and O.W l Caa7ao r llr"a ro b ut cecl to ~ a.alialltla. Tho procacluroo u.ad t. the .. t~ioa oro dlocu•••d bel 9 rua .... poutiOtl date -n die s ... icu U"er ~a .ic are avaUable •• lld:ialey Park, eU.,atlOtl 2, 070 feet eba•a ... a ou ove1 t, ul) md tho Kac.aallllk.a Avlcul.t..rd bpec'-•" Sut oa, e.le•atioa UO fc, 1. l'llue dau ua al .. a lc Teblea 10 aad ll, rCJpcctiv~lf. aa .. d 011 co..al pOOl eluat lOtl o( die llacaca rue~ir (aboot 2,18S ft, •L) alloll a c-er 1011 of ..,,U,Ly te.:pcratur•• At llaull.ll and c~inl•J Pn (Tab • U), tbl pao napontio~a data at clloley Parlt h COIUI rd applicable for U.taaa . ~ .. ~o .antbly .,a porat ooa for JUQa and July ot tb 1 o t otioa are a bout IZ pucaot of t:bo•• It llU.OUIUo U• oa tb ... &0 dj-~t C.eto-r. t be toea t:arw ...... -al.b.ly pe ... oporat loc, tor Vetau vere c...,. .. t~d n olo01111 to Table 13. UH .... urad pe11 ovepouci.oc at llauoa t-roo. IUJ II throuab A~tauot 31, 1911 1'ha J,.. rou• A.,..uat napont oo u about 9. 2 ilK u (15ft, 19 b ). toaa ur. aYapoutioo for tb• corrupo11dia& period h 9.~ iacbu (Teble Ill. Tul l iadi,catu aub-treea 111 tuperaturu at ll.ca... toT tbe -otb1 of ccober c.b.rou April. a:ue of ice co,.-. o-ter doe naer<rolr-, napontioo dude~ tb&•• -tb• voul" be ,.,!La{ le. Tht It an 1111111!!1 pan evapoudoo ie, Ulan fon, about l .• 7 Acbee (Table U). l.ak• rn}>Oratloll lor tbe .oatbo of !lay t'hrouab Saptnller vu c:oapute.t uo q o pao c:oeftieia.at o 0.7 ( .. e Teble 1)). Tb a siwu 11.&7 tbrouab Sept ber lake .,aporati.oa of bout 10 .4 i11chu. Thh vll,. l• clooe to tha 16H'• utiaat• at 10 U.cheo of no.......air onparotiaa ot araoa (lUll, l9J:la). Pncipltat oa daca at llatllll .,.., no lal>le unce 1'117 19 0 (Tabla 1 ) . u p<rz!O.S b too obor: te> c to lo ta,.. -"' peniplt . .c -Gd •a act r•••rralr .. aporat oa. Tha ..... aoaual pracipication ot Wotaa• •• utiaated Co be obaut lO locbu (r-b ibi.t J , l!klll.tbly dlecribut 011 of prec:lpi.cactoa at c .. uub and !leliA e.7 Park are ah•o ia Table lS. lb Ka, dlrOQ&b Sopc.eabo.r preclpitac Oil ie 6} oad 6 7 ,..rclot o tho aaoual pe1cip tat on. Other procip tot on otat oao a~r tba Su.ltu balia, ohu lbow percoataau dote t •• d..eo. 21 n 850116 10 Da !k&i~Ue7 perceotea od lO ochea of auaaa prec p{tatioo at a t•u, U•• -.c:hly pncipicn oo at u .au n euiane<f •• si.fto io Tabla ll. tac•pt fo r tlla -ach ol May , tll• IIODthly pr.c .p aciaa. _...,u are a iaolflc ... cly hi& u thao the u twtad lalt• evapont oa • ••• .... poradoo r ....... noarv~~ir c 11 to. utwted 'I tha diffaraoca betvftQ .-nporat i.oo fr-Uta ntlerYOir aurfaca a:a.t .... potruapluci-rc·-the • •~ pria·r to cooatl"llcC. oo of • d&Jo, & ca.;~ad.ao11 of c.ll• ut'-t.ali ...., r 1 "oir ... aporaJ: oo tlo otGOuaa ..,apotraotpirat.ioo •• rapreoeate.t 'by e cUUarnce ber:v .. a prec: piutioa apd rvaoU ( o depth of vaur ) io.ticaucl tllac oet: ruer·voir e vapouc.ion t o n for llnano vould be 11 the order of a na to r:vo iocbu wt. ich raprueot.t a rad11ct lon of 4 to 8 c h f rM the on allllaa l Uow. nab ia quite oe1l 1lble co.parod to t.ba ...,. a1111aal u-of J: 1,000 c.r ... O..U CaJ'O ruaC'I'Oir b loceted ua.de r the •-e.car .. l clt.at c coad tioao "' llataaa, except at over alevatlooo. Tb refore, at ratcrvoir evapoTat on at tbla alta aho can be utu•d to be neal lslb l e . II Acno ~ri coa [acoTpo":ad, 1982 Feu l b illty bport, Vol.-4, .•p~ndix A, IJdroloa ic Stu.diu, fiJ>al Draft, Sua haa IIJcltoehctric Pro jut, pTep•red fo r AlA•ta Powt r Authority. at•o •a~•eq~a t upda te •· Ta:ao Wa t er Develo-at lloard, 1970 . A tcapU atioo leport oo Stocbut ic OpcU.l cat !oa and SU.ulat loa Technlqooa for Manaa ... nt o f la&iona l Vater ............ s,...._, 'lol UM Ill, PlU.-111-1 Pro··-Da ocriptloa . U.S. O.part:8AD o f A&Tlcu1ture Soil Coo oenatloo S e:rvice, 1981 !!aao Aaoua l PTec i pitaciou, Saa ic-a.a lli•er J.u l ca , At.aka. Ka p. U .$ C:.Oloaical Surny, Vater laaourcu Dat.,, Al uka Vater lura 1949 t o 1982. Prepared iJo cooper.c loo vi tll tba St.ata of Al u\.a ncl atbar a.a•-aclaa. 1111 Cooau1ta at o , lac., II. D. Hn ri ooa, 1981. Sualt aa HJ4roelactric Project, Claclar Studiu for Ac ru ~ric iJI lac ., f or th4 A l ao \a PO\oor &utllorltJ. Ull Cooaalt.uta, lac. II. D. llarchoo, 1982. Sualtaa BJdrHhctr c Project, 1982 S110ltaa S.aio Cla ciar S tucl l u, for Actu .weriuo Inc., for the &Iaika Powwr Autbo r l tJ . 1&11 Coonltaou , lac. l982a. Sua l(ae B,.S r oclectric Project. hbtatlr. J .011 Cloeeout le:port, Va t-er lea oo r ~e• Scudiu, h•ervo lr t•apora tioo, for ~ru a..rlcao lac., for tb o &l aaka Pavor Authority. Tcoaboro, V.Y,, 1980, Coatribut&oa of C1 o c&ar Runoff t o R7d r oolectrlc CtMracloll oa tho Co11mlola liver: ProciCdiJiao of tba taura.c looa1 s,.poa{ua oa the Coapu~at loa aod P rad ictioo o f luaoft [roa Cla ciera aad Clocerl£acl Areaa , Tbl 11ai , Ceora l a, USSI , 1978. TIDJborll, V.V., 1980. T¥o oodeb for catU..t illll &lacier re1at&O<uhipa ia tbo lortb C..codu , Veo htoatoa, U.S.A., Jouraal of Clae&o1ap, Yol. 25, lo. 91, p. )•1!. &21&9) 850116 11 TABLES TAIIU: I MD1fTl1L Y ITUAHFLOV AT WATA.IIA (crs) OCT .w DE• JAil n• Ko\1 API HAY JUN JOL AUC: SI!IP l9SO 4719 .9 ZOSJ.6 II 11\S.I 641.7 569.1 6110.1 8~5.9 16432.1 19193.4 16913.6 132.0.4 lt.51 ]299.1 1107.3 06.2 aoe.o 673.0 619.1 1)02.2 11669.1 18517.9 197 •• 16471.0 1720S.S IU2 4.592.9 2170.1 UOI.O 1274 ·' t.o ns.o 803.9 216 .) 2.S173.4 Ullt.t 113~6.3 11571.0 lt.Sl 6215.7 2156.11 1281.2 818.9 611.7 610.7 13112 .0 U037.2 21469 .8 11355.) 16681 .6 IIS 1J.5 ltS4 4.211.9 1.599.6 \18].8 1011 .a 803.1 638.2 9 1 .6 ll6')6 .II 19U6.7 16983.6 20420.6 916.5.) .,, 38st.2 2051.1 1549.5 llU.J lOSO. ~ • l 940.8 6718.1 2 UJ.4 23781.9 2Ul1.0 13447 •• 1956 4120.] UU.l 10)1.6 816 .9 754 .a 69 .4 711.) 1295).) :U11l.l Ulll.) 1915].4 Ill ·' ltH 42.01.0 U76 .6 1707.0 1)13.0 1119.0 915.0 945.1 10176 .2 25275 .0 19948.9 17317.7 I 841.1 lUI 6034.9 29)5.9 usa.~ 14 0.6 1041.7 91l.S 1265. 9957.8 22097.1 l 7U .7 18443 . ,,8 .7 1959 .o l1l9.5 llU .I 1011.0 949 .0 6 .o 1145.7 101 0. 6 111329.6 20493.1 l o. \2466. lt60 )1(15.5 uu.s 1672..3 1400.4 lUll.~ 1.1 1069.9 13044 .l lllll .4 l9S06.1 1932).1 16015.6 1961 6049.3 2321 .1 1973.2 1719.9 ll04 .8 lJJI.O 1965.0 1)6)7 .9 227114. I 19839.1 19480.2 10146.2 lt62 4637.6 U6l.4 1760.4 16011.9 1257. 1176.8 1457.4 llllJ .) 36017 .I 13443.7 191147.1 12.746 .2 U6l 5560. t 2)08 .9 1708.9 1)01.9 11114 .7 1113.6 716.6 U299.2 2066). 21767 .4 1011. 10100 .0 lt64 Sll7 .J L789.1 1194.7 ISJ.O 711.6 S15.2 609.2 JS78 .I 2441.9 2008 ~ •• I G48.2 7514 .2 1J65 41S9.4 2368.2 1070.3 1163.0 172 .7 807.3 1232.4 10966 .0 2U 1).0 23235 .9 17394.1 16225.6 1966 5221.2 IS6S.J 1201.6 1060. 944.7 '""'. 7 llll ·' 7f' • .I 25939.6 16153.~ 17390 .9 92t4.1 1967 )269.1 U02.1 1121.6 1102.2 10li.J 119.S 1149.7 IUSS.S 411\.9 21911.) 6104.5 13672.9 l961 4019 .o lJJ4,J 1704.2 1617.6 1560 . 1560.4 1516.7 Ul26.7 25704 .o 220112.11 14147.5 716).6 tt69 3US.O IJS4.9 7$).9 61 .2 607.) 616.0 1261.6 931). 7 13962 .1 14143.5 7771.9 4260.0 lt70 Ol.l 1020.9 709.3 636.2 602.1 624 .I 986.4 95)6.4 14399.0 111410 .1 1626).1 7U .1 1971 3761.0 2496.4 I 117.4 1097.1 177 . 717.1 Ill. 7 21S1. 2 27611.1 2.1126.4 27 .6 Ill .9 1972 979.1 .2.587 .0 19S1.4 l670.9 l491 ·' 1366.0 I lOS .4 1597).1 27429.3 19120 .) l1S09.S 10955 .7 197l 4301.2 1977.9 12 6.S 1031. s 1000 .2 11J .9 914.1 7287 .o 23859.3 1635 1.1 ta016. 7 1099.7 1974 lOS6,5 LJS4 . 7 931.6 716.4 619.9 21.3 1171.9 Ul89.1) 1 7Btl.6 l591l .9 llUl.7 9716.2 1915 30811.8 I 74.4 1276 .7 1215.1 1liO.l 104\.4 1211.2 ll672.l 16619.1 2]4.]1).4 IS126.6 11075.3 lt76 5679.t 1601.1 176.2 757.8 743.1 690.7 1059 .II 11931 .1 1999 .0 17015.) 18393.5 S1ll . s 1977 z9n .~ 1916.7 1617 • .5 1l48. 7 1202.9 1110.8 1201. 8569.4 ]23)2.8 19 707.) 1 ~07.) 10613.1 lt71 5793 .9 264).) 1979.7 1)77.9 U 67.7 12.56.7 1408. 11231 .5 11271.2 18315.2 134ll.l 71)%.6 1979 11n.t 19U.9 IJU .6 HJ6.1 10)5. ll01.2 1317.9 12369 .) 22904.1 ;z, 91 I. 7 16670.7 096.7 1980 6UO.O 3525 .o 2032.0 1470.0 12ll.O 1171.0 I G4.0 101 0.0 ZJIIOO .0 267 o.o 18000.0 nooo.o 1911 6632.0 3044.0 1790.0 1158.0 1592 .0 1262.0 164l .O 14416 .0 16739.0 27601 .0 lOS42.0 11669.0 1912 5700.0 26SO .O 186) .0 1700.0 1234 .o 1.0 1190 .o 108) .o 21 .o 21)44) .o 1320 .0 13190.0 l91l S l 54 .0 2Ul .O IIU.O .,, .o 1610.0 1427.0 U6S.O 11672.0 01.0 18761.0 2C ).0 lllU.O 19114 6121.0 2657 .0 19)9.0 1782.0 1742.0 1697 .o 1654.0 l09l7 .o 22 51.0 42l49JI TliL 1150116 - TAftU: 2 HOIITBLY BTUAHI'LOII AT OJIV Lt. CAllY ON (crs) OCT 110 KC J '" H.\ A .... M.\Y J JOt. AUC u lJSO )751.2 .1 uu.s 9Sl.l 115.1 6 o.o 801.2 111490.7 I 6.5.6 21ll.l .4 I 1iJ.6 ,50.1 1951 l6U.O 1231.2 IOJO.I 905.7 761.) 697.1 150l.6 1)118.5 19971.5 21S15.9 11530.0 19799.1 1952 5121.7 Ult.O JSJ.S l 83.7 943.2 21.2 178.5 919.5 :»014 .z 2 1.7 19 7.2 1)4.41.1 Lt.S3 7317 .6 JU2.6 \)50. 999.6 7 5.6 766.7 1Sl1.1 1nsa.1 1)130. 1 19114.0 19107.0 ll911. 1954 5109.3 IUl.J 1317 .I 1224.2 929.7 ~29. UJ0.6 l5216.0 23181.1 19154.1 071.6 11)79.1 UH 4830 .4 2506.8 1861 .0 1649 .I 12,.2 1023 .6 1107 . 8390.1 28081.9 262 12 .8 24959 .6 13989 .2 19S6 46A 7 .9 1.788.6 1206 .6 911.7 893.1 8S2.J 8 6 7 .) 15979 .o lll37.1 29212 .0 12609.8 161195 .8 1957 sus .J ZJ1).8 1986.6 1S8J .2 llli.9 ll05.4 1109.0 12413.6 84 15 .4 21109.6 19)89 .2 18029 .0 Lt.sl 7434.5 lS90.4 290 .9 1792 .o Ul2.2 lOSS . 7 1437 .4 11849.2 1 ll.) 21763.1 ll2l9.8 6988 .8 1159 01.1 1199,8 1)70.9 U16.9 1179.1 871.9 1119.9 ll900.9 2Ul7.'i 21390.4 2.85 .4 U3H.6 lJ60 ~-1 2612.7 2011.5 1616.2 1 0 .2 uu.a Ul1.1 I 102.9 l 709.1 :U139.l 2.2064.1 11929.9 lt61 lU0.9 215t .t 2 36.6 nu.o U9l.6 16 _, 2 05.4 160)0. 7 U069.l 22 .6 tl164.4 12118.6 l962 5459.4 .l U71.7 1196 .o l l). 1320 .) 1613.4 121 1.2 40679.7 9(1.6 U2 1 .1 I 761.2 1963 6307.7 16 6. 1696.0 1496.0 IJIJ.4 9SI. 10.9 17697.7 2 094 .J JU&a . uno.s 11771.2 19 64 5991.3 015 .4 L)IJ.I 9711.0 900.2 663.8 6S6.S 4046.9 71116 .4 11916.0 USIS .8 8840 .0 l 96S S7114 .v 264).1 1160 .8 925.3 828 .8 866 .9 131 • 12267.1 2 ll0.3 26195 .7 19789 .) 1112.14 .2 1966 6496 .) 1907 .II I 78.4 11711.' 1187 ·' 118 7 .4 1619 . I 87)4 .0 l044 6 .4 l8S l6 .2 20244 .6 10114 • 3 1J67 ll!-44 . 0 1U7.9 1364.9 1357.9 1261.3 1019.1 1053.7 14435.5 17796.~ 25081.1 30291 .0 1572.8 .2 1968 J85.l 110] .s 19lt. 7 11151.1 1178.7 1711.7 1791 .o l-'1912 .4 29 62.1 2 871 .o 16090.5 IIUS .9 1969 JS76 .7 lSll.l ll6.J 616.6 ..... 769.6 1421.) 1114 29.9 14950.7 l.)651.2 83.6 4795.5 1170 66.S 11"-5. 7 1110.0 756.9 708.7 711.1 11146.6 10721.6 1711 .9 1142 .1 II 52.8 3.5 19n 474).2 lD t.l 0 •• IJJI.I 9 3.6 .I 9 .z :S.21.9 llOli.O 11941.6 lOlU.9 136.36.0 I.J72 nn.o ltl2.l 2311.6 2016.1 11136.4 1659.11 1565. s 19176.8 3lU9.1 217l6.5 1US4 .1 II .1 lt7l .. .6 21 II 1)87.0 ll39.1 11211 .6 us.o 916.7 7896. 26392.6 17511.1 19 78.1 I 26.0 197 .14!11 • 146 ·' 991. 6U.7 1 5.9 619.5 9.1 15004.6 16766.7 17190.0 152)7 .0 llJ70.1 19 75 3506.1 1619 .4 1 86.5 1408 .11 1342.2 1271.9 1456.7 14036 .5 30301.6 26188.0 1)031.6 15154 .7 1976 7003 .] 115 .o 1007.9 1'16 . II 17ti .2 825.1 1262.'Z 11305.3 228l3.6 111252 .6 I 297 .7 6463 .J 19 71 3.552.4 z:m.1 2147.5 1657.4 I 69 .7 1361.0 1509.8 11111.9 35606.7 21740.5 18)71. 2 119 16.1 LJ71 69)6.] J2l0 .8 2371,4 1167.9 1525 .o 1480 .6 1.591.1 11693.4 18416.11 2007!1.0 1)326.5 8080. 1979 4502.) Zl24.J U49.6 UOi.l 1203.6 11 .) 1402 .1 lll.l4.0 24052.4 27462.8 19106.7 10112. 1910 6900.0 ltn.o 2219.0 1640.0 un.r llll.OO l51S.O lll77 .o uzss.o lOOQ2.0 20196.0 12341.0 1911 m.o J 2.0 1 1.0 1951.0 0 I 70.0 1191.0 157119.0 11ll7.0 31679.0 nm.o llQJl.O ltlll. 6J14.0 !270.0 2207.0 20116.0 15'1.0 109 .o 1~74.0 I 90.0 2 )9.0 22 71.0 I SJS.O I 27.0 191 6212.0 24$4.0 2192.0 2091.0 IUI.O 1596.0 11111.0 1l711.0 21789.0 2029).0 2)203.0 12131.0 1914 7696.0 2916.0 21 .o 195].0 11 .o Ul28.0 1712.0 l2'15.0 25410.0 4214!13/TIL 850 11 6 (Cl'S) T1oBU: 3 (CXNl'lHEl) .. ,. •.B • .. .. • I • ··v·• .... ,,,. IZe t 1 1+1 ,,,, .uue. ',,, I t e s ,,,, ICFS ) TABIL 4 (CXNi'm:lm) 7-0HY Sl'RFA'!FI.GJ AT Cl:VIl. Ci\NYOl !Cf'S ) 'rAB1J! 4 (CDI'JCIN.JED 7-Dr\Y S'l'RI?'1oM1"t AT rEVtL C1IN'iQI (O'S) - T.UlL ICIIITaLT snuHil.OII AT c.umt!LL• (ti§J OCT IIOV DI!C JAJI Fl!l Hoi. I "" ""'' JUII C4l.YI 4211.3 112 .I 9: .6 131.3 662.6 562.7 1>11.) 1127.) U670.4 l9SO '1110.0 m.o 110.1 SS6.2 494.1 109.) i99.4 6194.6 I 2bbl.O 1951 J2J5.1 1575.1 956.5 740.4 .92.) ~0. 639.) 2642.7 16465.7 19~2 l4ll.1 1668.6 932. n1.2 )11.6 476.7 833.7 5960.2 13671.0 1953 DJ4.t 916.8 194 .I 708.4 4!1.6 44).1 &Jll.4 1852 .I 16195.4 1954 Jlj). 1784.7 110) .l 930.6 797.6 491.0 563.2 301 .7 1467.5.1 I !ISS 7 2J 65.1 1075.~ 1$5 • .2. Ui.J 727.1 61,.7 569.2 Wl.9 10012.] l9S6 I S\7.1 ll79.1 9b2.1 W.4 14).4 151.) lbl.6 Bilb.S 194l8.8 1951 ' lU0.4 20H.9 1096.1 116.9 591.2 45 .I 619.9 3004.9 1)97)., 1958 10 2690.1 969.6 7ll .6 661.7 6AI .'J 501.2 671.2 7894.S 16)62. J 195 II Jilt .a llll. 7 1111. 7 1042.0 126.4 695.6 71S.!i IJ7Sb .5 11101.1 19110 u 461.5.6 2012.7 Ulol.l l%07.4 9114. 1 1056.1 1701.7 9!>811. 0 U710.0 1961 13 Jlll.O 1100.0 1400.0 uoo.o 1000.0 940.0 1200 .0 10000 .0 21)20.1 1962 11 illi.d 2200.0 iidb.b 1000.0 aso.o 760.0 12o.a 11)4b.d 15000.0 1961 IS )14,8.0 1)00.0 71.0 ~.0 su.o 419.0 6LO 2106.0 34630.0 1964 16 lllol .O 1911.0 921.0 76CI.O 680.0 709.0 1097.0 11111.0 16430.0 1965 " nn.o lbbO.b 150.0 tOO.b 6SO .u 6SU.d IIIS.b &l87 .o IISliO .0 am 1t u.o 710.0 720.0 6110.0 640.0 560.0 Hl.O 9452.0 19620.0 1967 19 30&4.0 U.90.0 Ul2..0 Ul .o 1200.0 1200.0 IUJ.O 9268.0 19500.0 1968 2b 2406.b 1063.0 618.0 s011.o us.a su.o 998.o 1471.0 123JU.o 1969 1J 16l8.0 llS.O )4).0 4)1.0 26.0 6l.O 1117.0 7510.0 9909 .0 197 22 2155 .0 UlO.O 1041.0 7)1.0 SOl.O 470.0 519.0 191).0 11970 .0 1971 D 1051.0 mso.o mr.o 1061.0 fu.o 881.0 876.0 f694 .o zoooo.o 1912 24 3619 .2 19 2.0 IUI.S 19.5.6 778.9 6311.9 713.2 4 76).6 16762.6 1913 u 'ZOl7.4 929. 651.2 Ul.7 67.7 ll07.11 Hl.O 916l.1 11544.9 197.1, 16 21118.t 1111.1 98.1 8U.5 179.6 569.S lll1.l SS&l.S 19271.4 1975 27 ll79.l 1052.1 ~.· )49.6 Slt. 7 496.4 621. 7811.] I 571.4 1976 u 2198.5 111).9 uso.t 141.6 6119.9 777.1 996.2 9619.2 30705 .6 1971 29 »A.I lllJ .) ll&l.' ll92 .I loJI.i W2.1 [}68.8 1819.4 IS6S5 .J 1918 lO 2lolS.O 11811.6 lOll.l 1111.5 1011.) 746.7 170.6 6209.9 I S5'l8.4 1919 ll 17)70.0 19110 ll 5412.0 2481 .0 1651.0 1694.0 1186.0 919.0 1218.0 UJ>;().o 14o2o.O 9liSI.b 1981 ll 3129.0 1627.0 U9J.O 1061.0 691.0 sn.o sn.o IU19.0 16500.0 711169.0 19112 ]& JJ09.0 t&OO.o 14db.o 13db.o IZOO.u 1148.0 mu.o 8196.0 16&60. 0 71701.0 I9Bl"'- lS 5377.0 2130.0 1600.0 tsoo.o 1500.0 1411.0 1460.0 8481.0 11910.0 1984 . n.. C:....t l1 .... bee op<tretloaal lD J I 110. Fl for tl•e l"'dod O<:t. 19 9 to $ep • 19J9 .. re a•u••• by ••~•• -~lceo, hot. ... D • ... tc:. -•I t n~ar~•• oo ...tel. fl bu .. IIOC been I"" ret d for tb penod Oct. 1979 .. x.y 19110 . .. PTaiLaloary 4at. obtalned rr-uses 4ll49lJ TI.L 850116 - TABU! 6 LY 5TIJ!AHJLOII AT COLD CJ.!n (C:f'S) OCT .,., liP: JA rn ftd AJ'I MT AIIC U:P 5Uif'l'l CALU cn.u 2Sil .0 1439 .o tott.o 188.0 126.0 llo.o IISio.o 19&00.0 19410.0 IJOI.O 95659. I 1950 )841.0 1300.0 1100.0 960.0 11%0.0 740.0 1617.0 I 0 .o 20790.0 19670.0 21240.0 101745.1 195l 5571.0 27 .o uoo.o 1600.0 1000.0 880.0 920.0 5419.0 32310 .1 20920.0 14480.0 ll.lol9.1o.1 1951 Ub2.o 34§7.0 ooo.u ttoo.o uo .o 820.0 ms.o 19270.0 21320.1 206(0.0 15210.0 110411.1 1951 )6011.0 2100.0 uoo.o 1l00 .0 1000.0 11()'.0 1ULO 17210.0 U2SO.O 26100.0 1292 IISU9.1 19S6 U70.0 2760.0 2~5.0 179 .o 1400.0 1100.0 1200.0 9319.0 2 .o nsso.o 1429 .o 122 1.1 1955 &UI.O 1900.0 uoo.o 910.0 9Jo.u 'Ab.O 9SU.O 11660.0 )))&0.0 anu.o l8JJO.O (lfllj]j 1.2 19S6 s .o lOSO.O 1142.0 1700.0 uoo.o 1200.0 1200.0 137}0.0 30160.0 20540.0 191100.0 ll41SII.I 19S7 1112.0 l9S4.0 3264.0 196S.O 1307.0 lltoii.O Ull .O 12900.0 25700.0 22540.0 ,,0.0 112953.1 19.51 41il.b ma.o am.o i448.b ilb7 .o 980.b 125b.b mvo.o 2ll2b.O 31180.0 16\110.0 i:Z58{)1J.t 1959' 65H.O zaso.o 2200.0 1&4S .o I.S2.0 1197 .o 1)00.0 1.5710.0 15530.0 13~90.0 20)10.0 115792.1 190 7194.0 3000.0 16 .o 24U.O 17S6.0 lllO.O 1650.0 11360.0 29".50.0 u1oo.o 13310.0 129004.1 1961 5911.0 2160,0 UOO.o 19GO.O 15110.0 l'bO.b lllkl.o ID9o.b ono.o 235Sb.O ISUo.o I]I)QI.b 1962 6723.0 1100.0 2000.0 1600.0 ISOO.O 1000.0 uo.o 190JO.O 2.6«10.0 2 670.0 12320.0 1311113.0 196) 6449.0 uso.o 14P4.0 10411.0 966.0 713.0 7 s.o (o:JD7.0 50510.0 1&440.0 9511 .o 111S71.1 1964 U91.b 2m.o 12tl.b 960.b 860.0 9oo.o IJ60. 0 12990.0 2572b.O zmo.o 19350.0 121401.1 19!15 nos.o 2098 .o L6ll.O 1400 .o uoo.o 1300.0 1715.0 961o5 .o 32950.0 :uno.o 11750.0 11274 .I 19 6 IU.O 1600.0 uoo.o 1.500.0 I 00.0 uoo.o ll61.0 1S610.0 29.510 .0 ll610.0 li870.0 133110.1 l9 1 uoo.o DSJ.O ms.o 1911 .b ttoa.o l9dd.O 1910.0 151&d.b JISSD.o tmo.o uu.o IliSil.l 1'1&1 3&22.0 1630.0 2.0 .o 723.0 81 .o 1510.0 noso.o usoo .o 11119.0 )093.0 66129.0 169 Zl 3114.0 IW.O 866.0 126.0 761.0 77f>.O 1080.0 11310.0 11630.0 19910.0 9121.9 90424 .1 1970 22 SDI.o ::Uo7.o 229b.b 1442.0 IO:Jll .b 95b.b 1082.0 3745.0 32930.0 31910.0 1444b.O 1224 70.1 1971 23 S&U.O )09],0 1510.0 1239.0 2028 .o 1123.0 1710 .0 21890 .o 34 )0 .o 19290.0 12400.0 130030.1 1972 14 4816.0 2253.0 I 65.0 1200.0 1200.0 1000.0 1027.0 eus.o 27800.0 202 0.0 9076 .o 96620.1 1973 2! J1Sl.o t32J.b IOJ&.o '" .o m.o )24 .0 99%.0 16110.0 11110.0 16120.0 rmo.u 90§71.1 1914 26 J1lt.O 1700.0 1603.0 1516.0 I 71.0 1400.0 1593.0 1Sl50.0 )1)10.0 11090 .0 16310.0 122 02.1 197.) 27 1739.0 1993.0 lo&I.O 974.0 9SO.O 900.0 1173.0 12.620.0 24310.0 I 100.0 61111.0 17631.1 1916 D JZI&.O nso.a lib).O IID.o 1618.0 ISOO.b 1680.0 nuu.o 37!170.0 19llU .U 11640.0 llOIJSii .I 1971 2t ,n.o 3525 .o 1511,.0 2019 .u 16611.0 1605.0 1702.0 11950.0 19050.0 16390.0 8607.0 91706 .I 19711 30 4907.0 2515 .0 1611 •. 0 1J!U.O 1286.0 1200.0 1450.0 13870.0 24690.0 10460.0 10770.0 113126.1 1979 31 1Jt[.b 4192.0 2416.0 1748.b 1466.0 [400.0 1510.0 120.tto.o 1908b.O 10960.0 1)280.0 121J:t4J.O 1980 :u: 7725.0 3569.0 19LS.O 2013.0 1975.0 1.58.5.0 2040.0 16550.0 19)00.0 ]1 10.0 1llto.O I 2272.0 1.981 ll 7463.0 36U.O 2.317.0 llOO.t' l1l9.0 1203.0 1711.0 ll.Jai.O 26100.0 H27 .0 1 nu.o 111162.0 l!II.Z )& AH.U nn.o USI.O u6S.o 1996.0 1690.0 lfOO.o 1&945.0 24113.0 24500.0 I 3515.0 li&UU.U 191)• u ll~l.O ltSl.O WII.O 2041.0 I 69 .0 l90o.o 11)7 .0 11no.o l 770.0 19 • PrellalurJ ot&t.e obulD -t fr-uses. 421 93/UL 150116 tABU 7 7-DAY S11lUJ'!I"L~S At COli) CRUX (CPS) TABU 7 (coadnue<!) 7•DAY STREA.'lrt.OWS AT GOIJ) ~ (CTS) ( ::F S) l'Lla..l..l..4..........01' ,s .u ·''' "l' I''' u u "'' t ?JI tl•' u ;o 11"7 aowe 1 •••· ttwe. •••· ·~o . •\e. ~·· •St. ·~•. •l•. ••t . •••· •••· .-.o. ----''' let et!J! ! )le) I !1 8 0 hill t ell! lllwp ?11,) llllf z gJwt ••u•.••z.•.l •lo•-llt)t .lllt•.ln&•.loSII .unt.llloJ. 1n•. •JJ •. •J•'. nso. Lt7L .. -W.-.l!•' ,,.. "'7 ,,,, tl" ,_,., ,.,. llU ,,,, Zl5 1 l ••· &'•'· tttt. ''"'· tJ;J . ""*· 1'-~· I "•'· •~·•· U S?. 1\tt. ••••· ,,.,. ,,,,. &UJ ltfil pJ!t !!IJ 1 1 :5.1 t !51f ltltt HZg t ltl\1 lel AO Utel \U \1 II J a•.l•t 4l.l),\t.lt lCt.I4Ztt~.llJ~.t t.l4., t •Jlt.tl,t •. 11 )•).1 4•1 l .l •OI \. u•l•. , • ., .... .,, •'tl "!t "'" ·••• "II uc,a '!&' ••·• U '\t 'b 't (S >t ?lpe LIJe. llf7. ~'"''· ••~u. llt 'rl. 1111, ••;t. ,., •. ••••· ••••· t •~~tt. 1•••· &•.t l . .J-.)'2 ,,,, tel,t 17 1 ' Uel '<5·>1 tll eJ tt t t l '"I"' t S!e. ?1 \lt l e Z pe 1/h• l~J t•.1 vfl•.z~•,, .l v~S' .ZvlJtt . 1•1 ••.11111. Ullt.tt•••·• I l l •. h &o•. 1s••. ••u. l'lY ,.1 .'6 e l el ellf l hl9 ''JJ! t! 't !J eJ jiU !I ll 1111 Ult 15"1 a e ~J • t•••· a•••· tavt. I ll •• II••· I .hi. UIO. Uti. Ult. l l ll. 1 1'~0. l l •l• ---,~!~~·;·~ •. ""'a!!:!.s! ;;; .s~!;; .,!i~!.,:;::.;::,:. :;;;:. !~; i!. '~!:;. ':;!~. :!;!;. ::;~!. ~~ 111 0 hftU "t' \ttt e''' •l f'l ••a• 6'J' USJ lU I J i lt l jh% z t e\ 11 14 . t •4 •. 17~. I I•) ...... ISc:•. t a ~l. t a vt. 1 4 11. t •v t. 11 11. t a ol. I I VI. -W• t'e' uts Z't!' ·••J 11" "'" 'I'*'"'*',,,, '\'U tt•ea ?'"' s aJ•J • .ta •wo . h "' 7. )vl •l.Jltt•.llZII .ll'l'.t .. tlt.U•~J .1 tS11 . 1 U•• .s~to .,t .•••••· &jff l 1 1 I s U I !!u l .,,. ••),! 1 z q fh l UQO Uyl I'll 1!1. ttlf 1,71. lt.ll. Z ILI,. llWO ,. lJ4•. l •t•. lO ll,. 11 11. tS•t . 1'101. ''"''· ,,.~ •• 11,1 . IJU . It!! tf•• /1 •' ,tfJ ''6'4' 'et ''& I tSS ft Zpt•\ "•J.I h!U t e lQI ?t ?'l 1 t •~•.•&te t.•t1•J.le7_,0 ,.)tl ••· Je l );l.at Jc•.ltol•.l•'ll .1 ''''· s.\~1. hlvt. 1 ,,,,. t tl% 1 .. 1 t:OO U tt Uti .. u lt4l JIU Jl&l lilt Ult U&l 1l00 UOO "" lt .. UOO DOO UOO l.lOO U l& Uti Ill\ WO 11 00 llOO 1100 Ilk 1491 1100 uoo a n IUOO t•na. tl)l4 10019 U OI "" Ull l4<lO llB 1'40 l Ht lfH UJII ll l)l wu lUll un "'" liOO 1100 l:02t ,_ ·-,_ uoo u.. 1100 u-:au1 ltaOO IOI •l lUll UIU II&JJ ll100 l.l&ll )til n n -ltsl 1414 l)ll6 .. ,._. 11014 )UI ... , --.. ,, ~ '"'" , ... 71 u.. W.J ltOO lOOl llot6 ltl&l :u•• 14629 nu H4J -l:OOO .. oo ,, .. , I Uit ::•n 1014 ,,_ 117)1 1100 lt4J IJ)4l ••ou 1:1016 :-uoo lUI 1114 lU•l HJ4l UJ:It IIUI »•• 1.)16 ·-·-14 )0) 1&4 )1 IMU lJOO I teO ., .. unt 1216 IJOO 111110 lUJJ ,.,,, llOO l 44J , .. , n•• IUM Ulll IOJJ4 IU14 1100 IUt ·-,_ UlTI ltiOO t!O'II J u -,.. .. u .,. fw U.. v.t n 1un tttl ..., 1914 •re t.IM tn U•lauJ 4au •\uU..• tr• asca. Table 8 A DJ U STME ~S FOR GLACIERS WASTE Scenari<' 4 Scenario 5 ~ .2..!:!!!.! ~ ~ ~ ~ ~ ~ ~ 1950 1.632 2,244 2,376 612 2 ,9 52 4,068 4,308 1,104 1951 2,388 4 ,260 2,808 1,044 4,320 7,704 5 ,076 1,884 1952 2,208 3,072 2,280 312 3,996 5 ,568 4,140 576 1953 912 984 636 216 4,860 5 .304 3 ,384 1,176 1954 2,263 2,496 2,184 780 4,116 4,549 3,972 1,416 1955 l, 860 3,936 2, 316 516 3,264 7,140 4,188 936 1956 2,436 3,360 2,999 276 4,368 6,024 5,376 216 1957 3,288 3,084 2,880 696 5,940 5,580 5,220 1 , 260 1958 2,412 2,628 2,124 H4 4,380 4. 776 3,840 264 1959 3,144 2,364 2,616 612 5, 712 4,284 4,764 l,U6 1960 3,252 3 ,852 3,048 409 5,904 7.008 5,532 180 1961 2,832 3,384 2,556 360 5,124 6,120 4,632 660 1962 2,968 3 ,960 2 ,976 0 5,209 7,176 5,399 0 1963 1,704 3,709 2,904 1,704 3,094 6,720 5,269 3 ,094 1964 2 ,244 2,980 2,076 804 4 ,056 5,209 3,769 1.452 1965 1,992 ),994 2 ,832 1,690 3 ,624 7,260 5,160 3 ,060 1966 2 , 712 2,964 2,290 924 4 ,920 5 ,376 4,152 504 1967 2,604 3,180 2,988 864 4,7t6 5,760 5,412 1,572 196a 2, 292 3,312 2, 712 169 4,140 5,989 4,908 312 1969 1,680 1, 728 988 324 3,048 3, 312 1,704 624 970 2,448 3,816 2.920 0 4.440 6,900 5 ,100 0 1 9 71 2 ,436 3,564 3,312 492 4,380 6,312 5,952 976 972 2,196 4,500 3,300 0 3,996 8 ,172 5,998 0 1973 2,292 3,324 2,052 240 4,152 6,012 3, 720 432 1974 1,896 1 ,968 1,896 792 3,444 3,552 1,444 1,429 1975 2,280 3,672 2,976 996 4,128 6,636 5,376 1,798 1976 1,416 1 . 824 1,524 300 2,568 3,300 2,748 552 1 77 2,772 3,516 3. 720 744 5,616 6,744 6,360 1.344 1979 1,200 1.872 1,992 564 2,160 3,396 3,612 1,032 1979 2,028 3.228 2,856 1,104 3, 672 5,844 5,184 2,004 source: R&M Table 9 MOI'lTlll..Y STREAM PLOWS ADJUSTED f'OR GLACIERS ~IASTE SUSITNA RIVER AT WATANA Scenario 4 ScenarUl 5 ::!.!!£ June 2.\!!L. ~ ~ 2.!!!!!.... 2.\!!L. ~ ~ 1950 14,800 16,949 14,538 6, 708 13,4aO 15,125 12,666 6.216 1951 16,130 18,527 13,670 1 .162 14,19a 12,Da3 11.462 15,322 1952 23,565 19,039 15.076 1 ,259 21,777 16,543 13,216 10,995 1953 22,3a1 18,339 17,31a 11, 73 0 16,610 12,051 13.29a 10,338 1954 17,209 14,488 1a ,237 8,386 15,361 12.436 16,449 7. 750 1955 23,081 19,852 21,221 12,9:'2 21.617 16 ,648 19,349 12, Sll 1956 24,736 22.47 1 16 ,165 12,91.1 2 2,804 19,807 13,777 12.978 1957 21,987 16,a65 14,43a 14,145 19,335 14,369 12.09a 13,581 1958 19 ,6a6 1 7. 125 16 ,719 5,a35 17, 71a 14,977 15,003 5, 715 1959 1 5. 1a6 la,129 :.324 11,855 12,618 16,209 19,176 11.351 1960 9,981 15,654 lo,275 15,678 7,329 12,498 13,791 15,906 1961 19,952 16,456 16,924 9,786 17,660 13,720 l4,a4a 9,4a6 1962 33,149 19,4a9 16,911 12,746 30,809 16,268 14,489 12,746 1963 1a,959 25 ,059 18,107 9,096 17,579 22,097 15,743 7, 716 1964 40,598 17 .703 11,972 6,220 3a, 786 14,875 16,2a4 6 ,072 1965 19,221 19 ,252 14,562 1 4,546 17,5a4 15,776 12,234 13,166 1966 23,22a 13,190 15,111 a. no 21,020 10,77a 13,239 a,290 1967 22,108 ta,ao7 23, 117 12 ,a09 19,006 16,227 20,693 12,101 196a 23,412 18 ,771 11,45 6,996 21,564 16,095 9,239 6,852 1969 12,282 13 ,116 6,88 3.936 10,914 11,532 6,06a 3,636 1!170 11,951 14 .594 13,444 7 ,224 9 ,9 59 11,510 11.164 7, 224 1971 25,177 17,622 24. 135 11,607 23,233 14. a14 21.995 11. 313 1972 25 ,233 15,320 14,210 10,956 23 ,433 1,649 11.522 1 0 ,956 1973 21,567 13,027 15 ,965 7,866 19,707 10,33 14. 297 7,668 1974 12,a85 14.004 11 ,628 a . 704 11.337 12 ,420 10,080 8,35a 1975 24,409 19,758 12.151 12,077 22,561 6 ,794 9 ,751 11 ,287 1976 18,528 15 ,191 16 ,870 5,412 17 . 6 13.715 15.646 5,160 1977 28 ,5a1 16 , 191 13,087 7,a67 26,337 12,163 15,44 7 9,269 1978 16,077 16,513 11,429 6 ,569 15 ,117 14,989 9,800 6 ,101 1979 20,877 21,6a4 13,815 7 ,993 19,233 14,06a 11.487 7,093 Source: Rio T ble 10 PAN EVAP OAATI ON (lNCHES) McKI LEY PAR K Mont he :!!..!.!. .2!!L ~ ~ 2.!!s.... 2!.e... 1967 3.97 3. 20 2.42 1968 3.31 3.67 2.25 1969 3 .48 2 .H 1970 3 .35 2.20 1?7l 6.38 3.75 2.06 1972 3.97 4.10 2.61 1973 3.37 3 .25 1.55 1974 1975 1976 1977 3. 77 4.02 ).)7 1978 ).02 3.46 3.31 1979 2 .81 2.97 2.73 1980 4.04 2.92 1.88 1981 3. 24 1.89 2.18 Ave rag 3.79 3.35 2.41 'l'a'ble 11 P~N EV~PORATIO . INCHES) MATAHUSKA AGRICULTURAL EXPERJtre.'iTAL E'T ATl ON ~ 2.21 l.98 2.58 J,OJ 3.96 ~ 1951 1 52 1953 1954 1955 1956 195- 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1.969 19'10 1971 1972 1973 1974 975 1976 1977 1978 1979 1980 1981 ,·,vea:age ).9 4.7 4.83 6 .41 4.35 4.76 ]. 6 s.t8 ].6 3 .56 4.35 5.34 ).4) 5.05 5.06 .;.20 ~-22 .11 4.60 4.84 ). 72 4.41 4.48 4.45 4.96 4.80 3.48 4.32 5.45 5.00 5.23 4.44 4.17 4.09 3 .56 4. 4.18 4.08 3 .07 4.57 5. 2 .93 4.06 3.56 4.96 3.56 5.34 5.20 3.01 3.90 2.98 ).98 4.)0 .P9 .)0 .1.91 4.44 4.80 3 .97 2.79 3.59 ).40 J.85 3.42 7.19 4.36 ).99 3. S6 .3& 5.03 4 . 0 4.90 4.38 ).96 ).16 4.55 5.24 3.33 4.01 3.27 2.82 ).59 3.53 2.82 2.47 2 .4L 2.81 2.50 3.06 4.3 2.60 2.91 ),)0 J, 3 ).13 2.69 ).79 3.52 3.79 3 .17 .3. 21 3. B 3.13 .73 2.74 2.25 3 .10 l. 79 1.64 l. 71 2 .23 2 .50 l. 7 2.03 2.00 1.46 1.08 1.62 1.66 1."8 1.60 2.25 1. 76 1.66 2.07 2.36 1.57 2.63 2.20 1.73 2.1) 1.8 I. 70 2.54 l.BB 1( '•'able 12 COMPARISON OP MO THLV TEMPERATURES ( • P) tlonth Watonall McKinlel Pa r1c1/ May 41 41 ..Tune 48 52 July 51 54 Augue~ 43 so September 4 41 Baaed on the data collec~ed by R&H (Sualtna Hydroelectric Project, Processed Clima~ological data , April 1980 through September 1982, volume 5 , Watana St'ttions, two volumes) for the years 1981, 82 a nd 83. For the period 1951-75, t ken from NOAA Cllmatography of the United States No . 60, Climate of ~oaka. Table 13 E:T RESERVOIR EVAPORATI ON WATANA RESERVOIR Average Pan talco Averaga ~ Evanration n) Evanration n) Precit-tation In} Jan 0 0 1. 20 Feb 0 0 1. 20 Mar 0 0 1.20 ll.pr 0 0 0 .60 May 3 .67 2 .67 1.50 Jun 3.53 2 .47 4.Bo JUl 3 43 2.40 6.30 Aug :!.54 l.7B 4 .BO Sep 1.54 l.OB 2.70 Oct 0 0 LBO Nov 0 0 LBO Oec: 0 0 2 .10 Total 14.71 1 0.40 30.0 Tob1e 14 CLtMAT OLOG I CI'.L DATA Wor.ona Devil canyon Temper-Prec:ipi-Temper-Prec:ipi- ~ ~ ar.ure tat ion ature r.ar.ion ( 't'l (111!11) ('c) (11'1111) 1980 May ... 6 14.6 Jun .1 55.0 Jul 11.9 107.6 Aug Sep Oc:t 0.2 Nov -7.2 2 .J -5.1 Dec: -21.1 0.2 -17.9 1981 Jan -4.5 1.6 -2 .5 Feb -7.3 liar -4.3 18.4 -1.8 Apr -4.3 1.2 -1.8 1.2 Hay 7.6 44.0 8 .7 39.0 Jun 9.3 129.8 10.0 166 .4 Jut 9 .3 170.6 9.3 176.6 Aug 2.0 165 .6 Sap 4.0 ?7.2 Oc:t -2 .1 25 .0 -.4 Nov -10.4 5.6 -8 .3 Dac: -13.7 7.0 -11.6 1982 Jan -19.6 o.o -17.0 Feb Mar -7 .} Apr -4.5 ?.2 -2.7 21.0 Hoy 2.3 25 .8 4.4 22.0 Jun 8.6 87.4 9.9 85.2 Jql 10.8 109.2 11.7 106.4 Aug 10.0 58.2 10 .8 35.0 Sep s .o 100.8 6.0 156.6 ble ts 'l"tlll.Y PtltCOITAGES 0 PREC Pl AT10~ t.anu•ka c:Kinloy Parle: Perc:an Percent ~ Prec:iritation of Annuol Prec:i~itetion of Annu l ( n) ( nl Jan 0 .79 5 0.68 .. Po"b 0.63 4 0.61 .. Kar 0 .52 3 0.60 .. Ap 0 .62 4 0.]8 2 IYy 0.75 5 0.82 5 """ 1.61 10 2.51 16 JU1 2.40 15 3 .25 21 Aug 2.61 18 2.48 16 Slip 2.31 15 1.43 9 Oc:t 1.39 9 0.92 6 Nov 0.93 6 0.90 6 Doc: 0.93 6 0.96 7 EXHIBIT'S STREAM GAGIN G STAT ION SERIAL USGS DRAINAGE NO. NO. AREA Ml 2 I . 15291000 950 2. 15291200 280 3 . 15291500 4,140 4 . 15292000 6.160 5. 15292400 2 .570 6. 15292700 2.006 7. 15294300 2.250 8 . 15294350 19,400 NAME CI>O -NM.qoUl ... ., .,.,.,.,., CI>CI> CI>CI>Q)Q)Q) ---.... --- SUSITNA RIVER NR.DENALI MACLAREN RIVER I NR.PAXSON SUSITNA RIVER AT CANTWELL SUSITNA RIVER AT GOLD CREEK CHULITNA RIVER NR. TALKEETNA TALKEETNA RIVER NR. TALKEETNA SKWENTNA RIVER NR. SKWENTNA SUSITNA RIVER AT SUSITNA STATION OBSER VED DATA ~ILLE D ·IN DATA HARZA·EBASCO SUSITNA JOINT VENTURE WATER YEAR 10 ... IDCI>O ..-NM VU"J U),....CJ)O) II) II) ll)ll)U) lOCOCO lOU) U)U)U)U) en en CI>CI>Q) ~~~~~ ~~~~ ."" . ·-. EXHIBIT 1 0 -NM<O'In U) .... .., en ... ,.._,....,....,...,.... " .... ... .... 2! CICI>CI>O)O> en 2!~ Cl> ------- = SUS1 TNA HYDROELECTRI C PROJECT 8T R I!AWI'LIW DATA U SE D IN TIWI! SE Al ES ANALYSIS OOLO Clll!f: L OI!NT --:10- A lYEII IS OHYET (IN C I1 .) WATERSHED OIVIO N t HAAZA-EBASCO SUSITNA JOINT VENTURE 0 .. ..., '1 \ LJ I I ( ..., J \.." SUSITHS HYDROELECTRIC PftOJECT WEAN ANNUAL PRECIPITATION YAP