Multiple choice

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

  1. decrease the volume of runoff

  2. increase the time to peak discharge

  3. decrease the time base

  4. decrease the peak discharge

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Urbanization will cause effective discharge of storm water by proper designed drainage path, hence time base of hydrograph will reduce.