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<br />COMPARISON BETWEEN ACTUAL <br />FLOOD, AND WHAT THE SAME FLOOD <br />WOULD HAVE BEEN WITHOUT <br />NATURAL CHANNEL STORAGE <br /> <br />o <br />z <br />o <br />o <br />1&I <br />III <br /> <br />a: <br />1&I <br />D.. <br /> <br />I- <br />1&I <br />1&I <br />... <br /> <br />o <br /> <br />m <br />;;) <br />o <br /> <br />Z <br /> <br />1&I <br />t:) <br />a: <br />ct <br />:E: <br />o <br />III <br /> <br />o <br /> <br />HYDROGRAPH OF FLOOD IF THERE <br />HAD BEEN NO VALLEY STORAGE <br /> <br />HELD BACK TEMPORARILY BY <br />NATURAL CHANNEL STORAGE <br /> <br />CREST OF FLOOD <br /> <br /> <br />HYDROGRAPH OF ACTUAL FLOOD <br /> <br />PORTION OF <br />RUN OFF <br />CARRIED AWAY <br />IMMEDIATELY <br />BY RIVER <br /> <br />DELAYED OUTFLOW FROM <br />NATURAL CHANNEL STORAGE <br /> <br />Chart II <br /> <br />'\t' - ".,' ;.- _ ~ ,,;,-'''' ,,- <br /> <br />NORMAL FLOW OF RIVER <br /> <br />TIME IN DAYS <br />