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Bolivia's Water War

A watershed w...

Question

A watershed was transformed from rural to urban over a period of time. The effect of urbanization on storm runoff hydrograph from the watershed is to

A

decrease the volume of runoff

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B

increase the time to peak discharge

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C

decrease the time base

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D

decrease the peak discharge

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Solution

The correct option is C decrease the time base
Due to urbanization, there will be a proper drainage system in the catchment so the peak of hydrograph will come earlier and time base will get reduced.

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