Practice Assumptions (9.1) - Runoff and Surface Water Hydrology

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9 questions

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Exercise
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6 sample questions

Question 1.
What is runoff?
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Think of where rainwater goes after it rains.
Question 2.
Name two types of runoff.
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Consider how water travels over and through the ground.
3Question 3.
What is the equation used in the SCS-CN method?
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Look for the components of rainfall and retention.
4Question 4.
True or False: Base flow contributes to river discharge during wet periods.
- True
- False
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Think about what maintains rivers when it hasn't rained.
Question 5.
A region with urban land use receives 50 mm of rainfall. The Curve Number for this area is 75. Calculate the runoff using the SCS-CN method.
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Ensure to convert values correctly when applying the equation.
Question 6.
Construct a theoretical hydrograph for a watershed with both sandy and clay soils receiving heavy rainfall. Describe the differences in shape you expect to see.
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Think about how soil texture impacts movement of water.

5 more questions in this section. Enroll free to practise them all.