Question: Determine the direct runoff hydrograph, the index, and the excess rainfall hyetograph from the observed rainfall and streamflow data given. The catchment area is 2

Determine the direct runoff hydrograph, the index, and the excess rainfall hyetograph from the observed rainfall and streamflow data
given. The catchment area is 200km2. Assume base flow in the stream is 20m3s.
Determine the direct runoff hydrograph, the

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