I am attempting to calibrate a model to a series of specific rain events, the rainfall for each event is being entered by using a rainfall table following Sample “A” as found in the Hydrocad rainfall directory, and is run using the SCS hydrograph. But for output for each subcatchment area the precp. is constant for all time intervals and is the total rainfall for the entire rain event. Also the runoff is 0.0 for al time intervals. What am I missing? Is a special unit hydrograph needed?
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