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TMP#14.TXT • <br />Graphical Peak Discharge method <br />Given Input Data: <br />Description ..................... <br />Rainfall distribution ........... <br />Frequency ....................... <br />Rainfall, P (24-hours) .......... <br />Drainage area ................... <br />Runoff curve number, CN ......... <br />Time of concentration, Tc ....... <br />Pond and Swamp Areas ............ <br />Computed Results: <br />Initial abstraction, Ia ......... <br />Ia/P ............................ <br />Unit peak discharge, qu ......... <br />Runoff, Q ....................... <br />Pond and swamp adjustment, Fp ... <br />Peak discharge, qp .............. <br />AREQUA SUB-BASIN B1-9 <br />Type II <br />100 years <br />3.5000 in <br />2,4400 ac <br />90 <br />0.5455 hrs <br />0.0000 °s of Area <br />0.2222 in <br />0.1000 <br />505.5560 csm/in <br />2.4480 in <br />1.0000 <br />4.7183 cfs <br />Page 1 <br />