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<br />in the prescnt study. AlJ enfilte! are <br />being kept futtyinfonned and are eD- <br />tl:lUl"l;..,.d to be' partytothe-develop- <br />ment1:'f81t 1K'Cq'fabte- hydrologic <br />mtldel for Ihe North Plaue River sys. <br />tern. <br /> <br />H)'drology Study <br />Team Meeting <br /> <br />Hydrology Study Team leader <br />Duane Woodward held the sceond <br />team meeting May l6-m Oe'rtVer:-The <br />stlold~.tNm 'evte~the~ule for <br />d~ng;~lihntt;ng;'llnd ufllmng <br />tho.Norfh--Wtttl..RioYer-and Genf1'll1 <br />Plauo Ri~ Orenriom5tudy Models <br />1{).C\I~Juale emting Reclamation <br />s...-ltr Pbtte Rivet Pftlject operations. <br />The schedule is 10 complete base <br />North Plane Rivcr and Ccntral Plaue <br />Rivcr Modeli;.~.Augw;(..I992ffi <br />cnable Reclamation 10 determine if <br />the operations of existing North Plaue <br />River Projects are adversely affecting <br />threatened and endangered species or <br />their habitat. If anadYer&e effect is <br />idf"n1ir1l".d.1hc Operation Sludy <br />M(ldels f('Ol"Y8riom:lllternatM~will be <br />run hetWttft-A.ugtm t992llnd MMCh <br />1m. Dc~nloftlleSouth <br />Plaue Riller RkoJe.l, YolLh IM--a.!\...i~ance <br />lolt-1hc.~~y leowl.,. will begin in letle <br />""'2, <br /> <br />- <br /> <br />Historic records for water uses, <br />rivcr no......-s. and reservoir slorage in <br />some cases go back 10 the early 19O)'s. <br />PoreJmmf'hlrtho walef'5hed runoff <br />dot.la-eNwe Palhfindtt R~,. has <br />boon,eawded from l'XXJ{se-nhart). <br />Th~t'(rr~~llpl" u.(irrt3tefySO per. <br />c~d.thc.&w ahoYe the- ~~ral <br />st,g[agdacililies on the North Pfatte <br />RWur. <br /> <br />Thc study team diM:~d <br />a\'ailabilit). of waler resource record~ <br />throughout the Plaue River Basin. <br />The Leana eK.ilmine-d the extended +ow <br />runoff pcrWd het~n 193thndt9?1 <br />and thc.high .runoff pe-tw...J from 19tH <br />101929. The leam decided the opera. <br />tional study-Wuld c".dlullte tho-runoff <br />period 1930tJuough pt~nt and that <br />s~.J lYg~nninB opcsalional omdi- <br />tiorn.r.hl.lUiJ be analyrrd. <br /> <br />. <br /> <br />. <br /> <br />PATHFINDER WATERSHED RUNOFF <br />(in thousands of acre-feet> <br /> <br />.... <br /> <br /> <br />"" <br /> <br />___ !o-YEAR AVa. <br /> <br />On March 28 the 30 team mem- <br />bers received a copy of the North <br />Platte River Simulation Model <br />(NPRSM) user's manuals and the <br />FORTRAN program listing as <br />modified by Reclamation in an earlier <br />Seminoe Reservoir enlargement study. <br />As mcnlioned earlier,lhe NPRSM. <br />along with modifications. bad been <br />purchased from Ihe \Vyoming Water <br />Dcvelopmenl Commission. <br /> <br />The study learn leader facililated <br />a discussion on how the modified <br />NPRSM model operates. Based on <br />the questions and comment~ a prelimi- <br />nary assessment of how the model <br />operates was complcled. Study tcam <br />members discus...ed (he difficulty Ihey <br />.......erc having in rc\;cwing .......hat (he <br />modified model docs based on read- <br />ing the user manuals for Ihe original <br />model. The study team decided a <br />completC'~ptn:m"1rl" the nmtptlta- <br />lion ~ maJe.l>y-the mndifiedmodel <br />.......t-.uW ak! iftth$ "",,,-"ftntflon'3ntf-a.s- <br />Sf"~~m('nl procc~. The sludy team dis- <br />c~d the uses of Ihe model in an <br />effort to define ......hat informal ion the <br />model needs to compute at various <br />locations along the river. <br /> <br />The next meeting of the Hydrol. <br />ogy Study Team \lolll begin at 1 p.m. on <br />August 13 and end by 4 p.m. August <br />14 at Reclamalion's l'onh Platte <br />River Projects Office in ~tills, Wy.om- <br /> <br />c:::::::J ACI1JAL <br /> <br />ing. Prior 10 that mecting. Reclama- <br />tion......iU provide the study tcam ttisk <br />c(lpi~ of the program, input, and out- <br />put for the present modified NPRSM. <br />and a deM:ription of the computalion <br />steps for the system operalions in the <br />modified NPRSM. <br /> <br />Questions and Comments <br /> <br />The cvaluation to determine if <br />the operatiOns of Reclamation <br />facilities in the Plaue River Basin are <br />in compliance with the Endangered <br />Species Act is being led by the North <br />Plaue Rivcr Projects Office. Any <br />questions regarding the evaluation <br />should be directed to: <br /> <br />Study Managrr <br />DdHolz. <br />North PlaUt Rh,tr Proje-cb <br />P.O. Box 1630 <br />Mills, W\' 81644-1630 <br />(307) 261-5693 <br /> <br />0' <br /> <br />Project ~Ianager <br />John La"''SOD <br />North PlaUt Rher ProjtCts <br />P,O. BOI 1630 <br />Mills. WY 81644-1630 <br />(307) 261.5671 <br />