12.4 - Derivation of DAD Curves
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Practice Questions
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What is the primary use of the isohyetal method?
💡 Hint: Think about visualizing rainfall distribution.
Name one data requirement for deriving DAD curves.
💡 Hint: Consider what type of information is needed to understand rainfall.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do DAD curves help estimate?
💡 Hint: Think about the relationship between rainfall and area.
True or False: Isohyets represent lines of different rainfall depths.
💡 Hint: Recall what isohyets represent on a map.
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Challenge Problems
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Given a storm that produced 100 mm of rain over an area of 10 km², calculate the average depth using the isohyetal method with a surrounding area having 200 mm rainfall over another 20 km².
💡 Hint: Combine the rainfall and area first.
Discuss how the assumptions made in DAD curve derivation might affect flood risk estimations in light of climate change.
💡 Hint: Consider how patterns of rainfall might shift.
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