Allied & ICAR Exam Bank • ALLIED_0439 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Hydrology and Runoff

Subtopic: Hydrograph Analysis and Watershed Routing

Question Statement:

A flood hydrograph has total peak flow $Q_{total} = 150\text{ m}^3/\text{s}$. Estimated baseflow at peak is $Q_{base} = 25\text{ m}^3/\text{s}$. The peak direct runoff discharge in $\text{m}^3/\text{s}$ is:

Answer Key:

125

Step-by-Step Solution & Explanation

$Q_{DRO} = 150 - 25 = 125.0\text{ m}^3/\text{s}$.
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