Civil Engineering MCQAE Level Civil Engineering
A unit hydrograph represents direct runoff hydrograph due to:
HydrologyWater Resources Engineering and IrrigationHARD
Choose the correct answer
A
one mm of total rainfall including losses
B
baseflow only
C
one cm of effective rainfall over the catchment in a specified duration
D
snowmelt only
Correct Answer
C. one cm of effective rainfall over the catchment in a specified duration
Why is this the answer?
A unit hydrograph is the DRH resulting from unit depth of rainfall excess uniformly distributed over the basin for a specified duration.
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