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<br />. <br /> <br />001915 <br /> <br />Then from the charts of figures Ei and (;; : <br /> <br />. <br /> <br />q' <br />..:z = 0.26 <br />qa <br /> <br />partial period 0.126 <br /> <br />With the average return flow <br />tude of the sea80nal variation <br /> <br />q2 <br /> <br />.. <br /> <br />(0.26)(29770) <br /> <br />qa being <br />q2 will <br /> <br />AP <br />7740 Ii <br /> <br />29 770 AP /Mo <br />be <br /> <br />the WIlp il- <br /> <br />= <br /> <br /> <br />'TMs value appean,lI-s the maxill1W1l value in the oolumn. headed <br />.easonal fluotuation. The lag is 0.126 of the whole period or <br />(0.126)(12) .. 1.512 months. It' the irrigation applioations reach <br />their peak about the and of July then'1;he maximum return tlow <br />should be expected in September. The peak value is shown in the <br />comp'lltati011s for this month. <br /> <br />Atter the oo.putation was completed a comparison of the total <br />estimated ~low at Julesburg with the observed tlow showed the <br />est1mat~ ilow to be 25 428 acre feet per year short 01' the <br />observed ,flow. This would indicate an overestimate 01' the irriga- <br />tion water being oonsumed by crops. It the estimate of consumptive <br />use of irrigation water is cut from about 0.9 to 0.8 per year and <br />a oorrespoDding 2 120 acre feet per month is added to the estimated <br />JUlesburgtlow the estimated and observed tlowsw!ll be brought <br />to esseII't1,gl e qua 11 t7., The estimated flow shown on tigure 1 <br />contaiftet!11e c01,"rection. 1'he new value t'Qr the c0J181111lptlve use . <br /> <br />"/,,~~~~~.~;;~~~~~~!~i~~:'~(';~f~;:;~..,t;/"!"""~~~'\>;~:<ff~i~~'~"':':""'.~'rf'5~~S.;0t,~~~~~;4 <br />.~, '~~ <br /> <br />Sep~ember 9, 1968 <br /> <br />. <br /> <br />.5 <br /> <br />. - -~~ <br />