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A rainfall with a duration of 3 hrs on a 73.6 Square mile (190.8 square km) catchment Resulted in the following Runoff hydrograph. US UHG SIUHG Runoff hydrograph And UHG for 3-hr Storm 0.0 529.5 706.0 0.0 689.3 919.1 2527.4 232 3676.2 41.0 2757.2 307 2205.7 1470.5 16.4 919.1 689.3 0.0 15 7.7 2824.0 15 24.6 21 1129.6 706.0 529.5 0.0 12178.5 ftA3/s 1.32E+08 32 20 15 7.7 0.0 30 0.0 345.0 mA3/s 3.73E+06 DRV> 73.7 190.8 0.064 0.020 0.763 Time in Hours HW #2 Same watershed-determine the excess precipitation hyetograph using curve number a.) The Currve number for the catchment is CN- 75 Use the measured Rainfall hyetograph over the watershed to determine the total effective precipitation. Assume a uniform abstraction rate and determine the effeective rainfall hyetograph. Rainfall Depth, US Rainfall Depth SI 0-3 P total-> Time in hours Time in hours

Please Hw2 question asap

engineering   Civil-Engineering   
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Answer #1

Sol Hem A 190.36 km (a) Diec unclt volumu- Tim 0 15 20 h -3 x 6ox 60 80 a 60 s h08oo-sec 15 2126 3O0 .. volume Rumet

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