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<br /> I I I. I ;;; <br /> Qmean '0,3 0 <br /> 7 cts per sq I .0 <br /> v <br /> CD '" <br /> ...; ",P <br /> v ~ <br /> Exomple.- - For a 2- percent chance that staralle will ...; <br />- prove inadequate, a staraQ8 capacity of 100 acre- <br /> .,;J <br /> ft. per sq mi would allow a continuous draft, In- <J) ./ <br /> cludlnll evaporation end aeepalle lOsses, of 0.1 i/ <br /> cfs per aq mi. <br /> ~ <br /> ~ , <br /> ~ 0 <br /> C> L/ <br /> ./ 0 <br /> .... ./" <br /> d /0 <br /> I 0- Storo\j8 that would have been required for indicated <br /> <J) 1/ outflow durlnll the droUQht period Oct.I,1951 to Mar, <br /> d ~'" ....: 31,1957. <br /> ,;' -- <br /> ,/ X - Storage required for Indicated outflow with 2-percent <br /> /' chance of deficiency. Numerals ..present effective <br /> /' detention period in years to deplete indicated storalle <br />v startinll from full reservoir, <br />d <br /> -~ <br />7' <br /> <br />O.e <br /> <br />0 <br />~ <br />"' <br />'" <br />" <br />"' <br />0. <br />... <br />"' 0.1 <br />"' <br />LL <br />l.> W <br />...J <br />iii i <br />::;) <br />u <br />3:: "' <br />" <br />~ <br />~ li! <br />9 <br />LL " <br />... "' <br />::;) 0. <br />0 <br />'" <br />'" <br />0 <br />" <br />'" <br />0 <br />"' <br />3:: <br />~ <br />'" ,01 <br />iil <br /> <br />,ooe I 10 100 1000 <br />STORAGE REQUIREMENT IN ACRE FEET PER SQUARE MILE. <br /> <br />Figure 5.- - Storage - required frequency curve for a 2 - percent chance af deficiency in outflow ( No. 66 ) <br /> <br />Delaware River at Valley Falls, Kans. (To'ol dralnogo oroo, 922 oq mil <br /> <br />I\) <br />I\) <br />