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Hydrology & Irrigation

Methods of Maximum Flow Calculation-Part-2

Maximum possi...

Question

Maximum possible discharge from a small catchment corresponding to a particular rainfall intensity is independent of which one of the following?

A

Soil moisture conditions

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B

Drainage characteristics of catchment

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C

Area of the catchment

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D

Duration of the rainstorm

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Solution

The correct option is D Duration of the rainstorm
$Q_{P} = AIR$
where,
A : catchment area
I : rainfall intensity
R : runoff coefficeint

It is independent of duration of the rainstorm

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