Practice Depth-area-duration (dad) Relationships (6) - Precipitation - Hydrology & Water Resources Engineering

Practice: Depth-Area-Duration (DAD) Relationships

Lesson 6Precipitation

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6 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
4 questions · about 3 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does DAD stand for?
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Think about the three components it represents.
Question 2.
Why are envelope curves used?
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Consider their role in engineering design.
3Question 3.
What does the DAD curve indicate?
- Average precipitation depth increases with area
- Average precipitation depth decreases with area
- Average precipitation depth remains the same
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Think about how rainfall spreads over larger areas.
4Question 4.
Are envelope curves necessary for designing drainage systems?
- True
- False
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Consider their importance in predicting maximum rainfall.
Question 5.
Using historical rainfall data, create an envelope curve for a hypothetical area measuring rainfall during a 100-year storm return period. Describe the expected precipitation depths.
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Focus on how past data helps predict future rainfall scenarios.
Question 6.
Consider a city planning to expand its infrastructure. Discuss how DAD relationships can influence the layout and design of drainage systems and stormwater management.
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Think of stormwater management and how areas with different risk profiles need different designs.

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