Allied & ICAR Exam Bank • ALLIED_0413 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Hydrology and Runoff

Subtopic: Hydrology and Runoff

Question Statement:

A $10\text{ km}^2$ watershed produces direct runoff volume of $300,000\text{ m}^3$ from a storm. The depth of runoff $R = \frac{\text{Volume}}{\text{Area}}$ in mm is:

Answer Key:

30

Step-by-Step Solution & Explanation

$\text{Area} = 10 \times 10^6\text{ m}^2$. Depth $= \frac{300,000}{10^7} = 0.03\text{ m} = 30.0\text{ mm}$.
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