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<br />1') <br />-.1 <br />c.,' <br /> <br />- - <br /> <br />Fi;:lIrr <br /> <br />18 <br />19 <br />20 <br />......1 <br /> <br />~bp of ColoT;J.do Rl\er Sy~le01 6 <br />Source... of ,-..L1mll)' in the ColoTJdo River B.lSln 9 <br />Schem:l.lic of ag:nculturJI "all plCkup 9 <br />Sahnit;. co...{... by u...cr group 1-1 <br />Annual d3rnagt:s m..:rl'.l"e with sJ.ltntty 15 <br />~tap of ~alrnilY control umts and ...tudy Jreas 39 <br />SchenKtlic of sail pickup at Big Sandy RIver Unit 50 <br />$3]( loadIng mechanism in Gr..IOJ Val!.:)' Umt . 54 <br />Schematic of \teeker Dome L:nil 64 <br />Schem;ltic of Parado.. Valley Uml 66 <br />Selemum k\els in the Colorado River Basin. . . . 70 <br />Reservoir effects on ...alinllY at Glen Canyon Dam ....... .. 77 <br />Comparison of pa;,t and current depkuon projectIons . . . . .' ........ 78 <br />Lower ma1l1stem 110\\s (1970-95) 78 <br />SalLnity in main...tem (\970.951 79 <br />;-..;'atuTal variation in salmity at Impenal . . . . . . . . . . . _ . . . . 81 <br />Sahnny adjusted to long.t~rm m~an flow conditions for comparison to the numeric <br />cntena of the salimly slandard.;;. . . . . . . . . . . . . . . . . . . 83 <br />Verification of CRSS sallmty projections ........ ..... ......... 8.1 <br />Pr~dicted sailmty trends in the Lower Basin monllonng statlOn<; .. . . . . . . . 86 <br />illustratIon of wet and dry hydrologJ(; <'equence<; on salimty levels at Impenal Dam 90 <br />Colorado River water quality monitonng stations A-2 <br /> <br />Contents-Continued <br /> <br />FIGURES <br /> <br />, <br /> <br />) <br />.\ <br /> <br />5 <br /> <br />6 <br />7 <br />8 <br />9 <br />JO <br />II <br />12 <br />I) <br />1.\ <br />15 <br />16 <br />17 <br /> <br />TABLES <br /> <br />T<1hlt <br /> <br />, <br /> <br />Comparison of nver basin dramage and runoff . . . . . . . <br />WJ.ter use in the Colorado RIver Basm (\981-85 Aver:tgel <br />Colorado RI\'er BJ.sin depletlon projections <br />Cost-eITecti\enc-ss summary (Recbmationl <br />Cost-effectiveness summary (LJSDAl . . . . . . <br />Effe,tiwness summary (BL~I) . . . . . . <br />Land retlrement COSIS and Cas! effectiveness . . . . . . . . . . <br />Sdemum concentrations :lnd loads 10 the Colorado River B;lSln . . . . . . <br />Range of salinity' conditions e\pected WIth full compliance with salinity standards .... <br />Compamon of salinity le\'els to the numeric cntena for the exisllng level of <br />development JnJ salmity ,;ontrol . . . . . . . . . . . . <br />SalimlY comrol requirements and needs ........ . . . . . . . <br />Statistical analysis of Hoover Dam salimi)' levels <br />Statistical analYSIS of P.1rker Dam sJ.limty levels <br />Slatistical J.nal)::;ls 01 Imperial Dam salimty le\'e1s <br /> <br />) <br />.\ <br /> <br />5 <br /> <br />6 <br />7 <br />8 <br />9 <br />10 <br /> <br />II <br />12 <br />13 <br /> <br />t-l <br /> <br />Pagt <br /> <br />Page <br /> <br />...7 <br />II <br />18 <br />50 <br />51 <br />51 <br />57 <br />71 <br />80 <br /> <br />82 <br />85 <br />87 <br />88 <br />88 <br /> <br />iii <br />