A storm with 10 cm precipitation has direct runoff 1.5 million m³ in 25 square km catchment area. Calculate effective rainfall and runoff coefficient.

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Satt Academy · Accepted Answer

Here, A=25km2=25×106m2V=1.5×106m3i = 10cm = 0.1mSolution: Effective rainfall  =VA=1.5×10625×106=0.06m=6cmRunoff coefficient = 610 = 0.6(Ans)

A storm with 10 cm precipitation has direct runoff 1.5 million m³ in 25 square km catchment area. Calculate effective rainfall and runoff coefficient.

Question: A storm with 10 cm precipitation has direct runoff 1.5 million m³ in 25 square km catchment area. Calculate effective rainfall and runoff coefficient.

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