0 2 4 6 8 10 12 14 16 The average rainfall values over a catchment in three successive 2-hour intervals are 3, 5 and 2 c

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0 2 4 6 8 10 12 14 16 The Average Rainfall Values Over A Catchment In Three Successive 2 Hour Intervals Are 3 5 And 2 C 1 (66.85 KiB) Viewed 31 times

0 2 4 6 8 10 12 14 16 The average rainfall values over a catchment in three successive 2-hour intervals are 3, 5 and 2 cm, respectively. The o index for the catchment is taken as 0.2 cm/hour. The 2 hour unit hydrograph ordinates are given in table below. Time in hrs. Discharge mºseco Base flow can be taken as 7 m3/sec at the beginning of the storm linearly increasing to 9 m/sec at 10 Hrs. after the beginning and then linearly decreasing to 8 m3/sec at 4 Hrs. after the end of direct run off. Compute the resultant flood hydrograph. 10 40 70 50 20 10 6 0