A late autumn rain falls evenly over a catchment at a rate of 9cm/hr for two hours. Mean soil infiltration rate for the catchment is constant at…

A late autumn rain falls evenly over a catchment at a rate of 9cm/hr for two hours. Mean soil infiltration rate for the catchment is constant at 7cm/hr. The catchment is 2ha in size. How much overland flow is produced by this precipitation event within the catchment?

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