Allied & ICAR Exam Bank • ALLIED_0449 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Soil Erosion Mechanics and USLE

Subtopic: Soil Erosion Mechanics and USLE

Question Statement:

A standard USLE unit plot has slope length $\lambda = 22.13\text{ m}$ ($72.6\text{ ft}$) and uniform slope $s = 9\%$. For this standard plot, the topographic factor $LS$ by definition is exactly:

Answer Key:

1.0

Step-by-Step Solution & Explanation

By definition of USLE baseline reference plot, $L = 1.0$ and $S = 1.0$, hence $LS = 1.0$.
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