QSP Practice Problems Part III
Practice Questions
| Answers: |
Does does the Soil Erodibilty of K = 0.65 mean?
| High Erodibility |
Does does the Soil Erodibilty of K = 0.05 mean? |
Low change of erosion |
What does RUSLE stand for? |
Revised Universal Soil Loss Equation |
How is the RUSLE used? |
Helps predict how much erosion may occur. |
What is the RUSLE equation? |
A = (R)(K)(LS) |
What units is "A" measured in for the RUSLE equation? |
A = Project Sediment Load (tons/acre) |
How do you determine risk level from the RUSLE equation? |
Use appendix 1 |
What two factors determine your permit risk levels? |
Sediment potential and receiving water status |
What three things qualifies you for a Rainfall Erosivity Waiver? |
RUSLE R-factor < 5 1 to 5 acre sites Construction is during dry periods |
When would you use the Modified Universal Soil Loss Equation? |
To predict sediment for a storm event (in tons) |
T or F: Sediment and erosion are the same |
False. Sediment and Erosion are not interchangeable terms. |
What is Sediment Yield? |
Eroded material that has settled at a point of interest. |
What is the Wind Erosion equation? |
E=f(I * K * C * L * V) |
In what units is E measured in the Wind Erosion equation? |
E=potential avg annual soil loss in tons per acres |
In what units is E measured in the Wind Erosion equation? |
E=potential avg annual soil loss in tons per acres |



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