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<br />1 "s <br /> ;1,. <br /> "-/,'l <br /> -r7-J f3.LE ~ <br /> <.:.~; 'GH4.~-PI fut'l'"SR-ft6900RGi& <br />" (,..) <br /> r~) COMPUTATION OF VIRGIN FW1i AT LEE FeRRY <br /> W - = Unit :' -1....000 ac e-feet <br /> HIstorical rrrigat~d Carrec ticn ="vrrgin flow <br /> floll at areas . factol' tor I-l'riRation Total Colorado River at Lee Fer <br /> ....:t Leo Ferry upper variation Depletion depletion:! depletions Annual . Percent of <br /> (includes drainage of annual rata ]/ upper Trarwbasin (Co1, 5 flow 1914-1945 <br /> Viater Paria R.) .1/ basin water 2/ (acre~rftet drai.nage export PIUSj,j61.6) (Co1; 1 lIIee.rt virgin <br /> c!\r 000 acreEl u Iv- e1' acre) basin tie letions plus Col.? - flow <br /> 2 3 4 5 " 7 <br /> "'95 <br /> 1$96 . 9,760 310 .82 1~06 329 '329 10,0$9 64 <br /> 1$97 17,500 370 1.0e. 1.3? 509 509 le,a09 116 <br /> 1$98 13,,300 486 .94 1,21 515 515 13,815 B8 <br /> 1899 15,250 480 1.01- 1.30 .624 624 15,874 102 <br /> 1900 12,600 530 .92. 1.19 628 628 1) ,228 85 <br /> 1901 12,900 582 .93 1.20 682 602 l',5f2 87 <br /> 1902 8,740 63; .$0 1.0) 653, 653 9,393 60 <br /> 1903 13,959 685 .97 1.25 855 2 857 14,807 95 <br /> 1904 14,700 7)2 1.00 1.29 948 3 945 15,645 100 <br /> 1905 IS,OOO 780 1.01 1.3) 1,020 7 1,027 16,02:1 102 <br /> 1906 ._~'7.,9.?_4____._ 800 1.11 1.1.3 1,144 .,___P~_ ,_~_~J_,l~"L, ~~ ,19,J.21 J21 <br /> '90"-- 22,003 .-.----..-.86"b."~ ~-~.I~-25--- -- l~bC-' -"'-"'i-:JB5"~' 14 . 1,399 23,402 1;0 <br /> 1908 11,763 920 0.91 1.17 1",076 17 I,On 12,8S6 82 <br /> 1909 21,706 970 1.24. 1.60 1,552 17 '1.569 . 23,275 149 <br /> 1910 12,969 1,020 0.96 1.24 1,265 14 1,279 14,24$ 91 <br /> 1911 14,622 1,060 1.02 _1.31 1,389 17 1,406 16,028 102 <br /> 1912 18,880 l,q90 1.16 1.49 1,624 ,6 1,640 20,520 '" <br /> 1913 12,994 1,1)0 0.96 1.24 1,401 78 1,479 14,473 93 <br /> 1914 19,335, 1,160 1.18 .1.S2 1,763 124 l,8S7 21,22< 1)6 <br /> 1915. 12,500 1,200 0.95 1.22 1,464 6) 1,.5'Zl 14,027 90 <br /> 1916 17,325 1,230 1.12 1.4.\ 1,?71 105 1,816 19-,201 123 <br /> 1917 21,693 1,260 1.27 1.63 2,OS4 90 2,144 24,037 154 <br /> 191ft 13,650 1,290 0.99 1.28 1,651 6) 1,714 lS,364 98 <br /> 1919 10,858 '1,320 0.90 1.16 I,S31 73 1.604 12.462 80 <br /> 1920 19,739 1,350 1.20 1.55 2,093 119 2,212 21,951 140 <br /> 1921 20,715 1,370 1.24 1.60 2,192 108 2.300 23,015 147 <br /> 1922 16,302 1,370 1.08 1.39 1,904 99 2,003 18,.305 117 <br /> 1923 16,261 11370 1.08 1.39 1.904 104 2,008 18,269 117 <br /> 1924 12,481 1,.370 0.95 1.22 1~671 1,9 1,720 '14-,201 91 <br /> .1925 11,341 1,:370 0.92 1.19 1,630 62 1,692 13,'033 8' <br /> 1926 14,009 1,37'0 1.0'0 1.29 1,767 77 1,844 15,853 101 <br /> 1921 16,587 1,.370 1.09 ,1.40 1,918 111 2,'029 IP,616 119 <br /> 192B 15,32) 1,370 1,05 1.35 1,850 106 1,9-56 17,V9 110 <br /> 1929 19,223 1",37'0 1.19 1.53 2.096 109 2,205 21.428 1J7 <br /> 1930 1.3,07'0 1,380 D.9B 1..<!6 1.739 76 1,S15 14,885 95 <br /> 1931 6,.388 1,.38'0 0.75 0.97 1,3}9 48 1,381 7,769 50 <br /> 19.3.<! 15,286 1,38'0 1.'05 1.35 1,86.3 94 1,957 17,243 110 <br /> 193) 9~745 1,380 0.86 loll 1,5.32 79 1,611 11,356 7) <br /> 1934 4,396 1,38'0 '0.68 0.88 -l,.<!14 30 1,2l,1, 5,64'0 36 <br /> 1935 9,912 1~380 0.87 1.12 1,546 91 1,637 11,549 74 <br /> 19)6 11,97'0 1.380 0.94 1.21 1.670 160 1,830 13,800 88 <br /> 1937 1l.S97 1.38'0 '0.94 1.21 1,67'0 173 1,843 13,74'0 88 <br /> 1938 15,440 1,380 1..06 1.37 1,891 214 2,105 17,545 112 <br /> 1939 9,394 1,380 '0.86 1.11 1,53Z 153 1,685 11.,075 71' <br /> 1940 7,082 1.380 0.78 1.00 1,38'0 1)9 1,519 8,601 55 <br /> 1941 16,'052 1,38'0 1.08 1.39 1,918 178 2,096 18,148 n6 <br /> 1948 17,()29 1,38'0 1.11 1.43 '1.973 W 2,096 19,125- 122 <br /> 1943 1l,.<!6j 1,38'0 '0.92 1.19 l.n42 198 1,840 13;'103 $4 <br /> 194.\ 13,221 1,380 0.99 1.28 1,766 167 1,933 15,154 97 <br /> 1945 11,545 1,380 0.93 1,20 1,656 2rt') 1,fl65 1.3,410 86 <br /> 1946 P-,745 1,385 0.84 1,'08 1,49'0 191 1,6ftl 1'0,426 67 <br /> 191.7 13,516 1,385 1.'0'0 1.29 1,78'0 177 1,957 15,473. 99 <br /> A!eansf <br /> 1914-45 13,789 1,351 1.00 1.29 1,737 Il2 1,R49 15,.63g 100 <br /> 1931...40 1'0,151 1,38'0 1,564 ll7 1.681 11,8)2 76 <br />I 1906...47 ~4,20a 1,282 1,659 99 1,758 15,95'8 102 <br />I 1896- <br /> 1941 14,'04'0 1,142 1,47'0 95 1,550 15,59'0 100 <br /> 11 Flows ot 1896....1923 period for Paris River and 1896~1921 periOd tor Colol'tldo River !'fere estilll8.ted by'corre1ation with' <br /> upstream gaged records. <br /> .1 Correction factor= 1/2 (1 + Annual Yir~in Flow , ). SUc'Cessive approximations of '1irgin nOli were <br /> 1914-1945 Mean Annual Virg-in FtO'll" ..d. <br /> in order to compute the figures in ColUllln 3. First approximation .as lIlO-de \Ising annual mean and historical fIoll". <br /> JI Depletion rat.al Co1UU1t1 J x 1.2~. (:I. 2t7 - 19!1:.N1945 Ilf'/:.n ATUlU~l' DePlet.i"On_ Ex-elusive of Transbasih Ex-ports) <br /> . - .1914~1~4$ Mean Annual !rr-i~l1t.ed - Arrteag~ .. <br /> !tI Depletions fr~III' past domestic and indUl:ltrial use in upper basiD are oonaidered negligible. <br /> <br /> <br />Jl{ <br /> <br />/ <br /> <br />~, <br />