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4 cards from this section. Quick, good the night before a test.
Define rainfall intensity.
Think about the unit used for measuring rain rate.
What does the term 'return period' refer to?
Relate this to how frequently heavy rainfall occurs.
What does the IDF equation predict?
Focus on what aspect of rainfall the equation deals with.
True or False: The empirical constants in the IDF equation are universally fixed.
Think about variability and local adaptations.
You are given empirical constants K = 0.2, m = 0.7, C = 3, n = 1.5. Calculate the expected rainfall intensity for a return period of 5 years and a duration of 20 minutes.
Pay attention to the values and ensure correct substitutions.
Discuss how changing climate patterns would necessitate updates to the empirical constants in the IDF equation.
Consider why historical data might not reflect future conditions accurately.
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