termine the runoff from a watershed for storm given below Us

termine the runoff from a watershed for storm given below. Use unit hydrograph information. Time (h) Precipitation (in.) Unit hydrograph (cfs) The abstractions have a constant rate of 0.2 in/h 3. De 0.8 1.2 0.3 0.2 0 50 120 200 150 10

Solution

Time(hr) Precipitation(in) Excess Precipitation (in) 50 120 200 150 10 (cfs) 1 0.8 0.6 30 30 2 1.2 1.0 50 72 122 3 0.3 0.1 5 120 120 245 4 0.2 0 0 12 200 90 302 5 0 0 20 150 6 176 0 15 10 25 0 1 1 0 0 TOTAL= 901