A watershed of (30+X) km2 was subjected to a storm of 2-h duration from which the following information are recorded in Tablea) Obtain a Unit Hydrograph for this watershed knowing that the base flow in the stream is estimated at 2 m3/s. b) Derive and plot 6-h Unit Hydrograph for the catchment area.Time (hours) 0 1 2 3 4 5 6 7 8Discharge (m3/s) 2 15 30 37 30 22 16 12 2

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A watershed of (30+X) km2 was subjected to a storm of 2-h duration from which the following information are recorded in Table
a) Obtain a Unit Hydrograph for this watershed knowing that the base flow in the stream is estimated at 2 m3/s. 
b) Derive and plot 6-h Unit Hydrograph for the catchment area.
Time (hours) 0 1 2 3 4 5 6 7 8
Discharge (m3/s) 2 15 30 37 30 22 16 12 2

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