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WSP10444
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Last modified
1/26/2010 3:12:58 PM
Creation date
10/12/2006 4:20:26 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8441.400
Description
Colorado Big Thompson Project - Reports
State
CO
Basin
South Platte
Water Division
1
Date
8/1/1986
Author
Colo. Water Resource
Title
Summary Report - Preliminary Hydrologic Analysis
Water Supply Pro - Doc Type
Report/Study
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<br />'a <br />o <br />J 0 <br />IJ ~ <br />r1 0) <br /> <br />~,"~ <br /> <br />t'l <br />""'~ <br />~; :, <br />, <br />I' <br /> <br />L <br /> <br />I <br />~::'{ <br />>>',,: <br /> <br />~', .. <br />'I" <br />I. <br /> <br />[ <br />:C <br /> <br />'.') <br /> <br />r <br /> <br />I <br />:t1 <br /> <br />'J <br /> <br />'I <br />, r <br /> <br />"'1' <br /> <br />J <br /> <br />'. <br /> <br />'']' <br /> <br />5.0 RESERVOIRYIELDS <br /> <br />5.1 HYDROLOGIC SIMuLA'!'ION .MODEL. . <br /> <br />The Boyle Engine,ering stream Simulation MOd$I(:BESTSM) was applied <br />to analyze the Upper Colorado River Bas:in and toestima.te yields <br />fr6l\lthe ,proposed reservoir sites under variouswat.erdevelopment <br />conditions. 13rie;O.y, BES'!'SM is anacdounting tYP$ mOdel wh.ich <br />keeps tradkof monthly water Volumes for inflows,' diVersions, <br />return f],ows" river 'g(iinsandlosses;, and outflows for each segment <br />of the. stream system. For reservoirs, a complet$ wat$r acoounting <br />is also perfor-med. Some of the factors considered include <br />reservoir inflow, pumping from adjacent streams; bypass <br />re<;tuirements .to meet seniprdownstrea,m rights and minimuminstream <br />flows, reservoir relea,ses, spil,ls, se,epage, andevap6ration. The' <br />model allClcates water based on. the' Colorado water rightspriClrity <br />system and other legal and. institutional arrangements in the <br />Colorado River Basin which are discussed in previous sections. <br /> <br />The modeled area covers the Upper Colorado Basin above th.e Cameo <br />gage. The study system is divided into 56 segments. The model <br />incorporates over 800 major diversion str\:lotures each having an <br />aggregate water right greater than 5 cfs. This accounts for more <br />than90percEintof the total diversions in the ba:;;in. T.he total <br />nUmber Of water rights associated. with these structures is <br />approximately 1600 . Allexistingmaj or r$servoirs are simulated in <br />the modeL These include Lake ,Granby, WillOw Creek, Gre,en <br />Mountain, Williams Fork, ,Dillon, Homestake,. and Reudi Reservoirs. <br />The total storage and minimum pool for these 'existing reservoirs <br />are summarized in Table 5.1. <br /> <br />5-1 <br /> <br />~ <br />
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