27.6 - Infiltration Indices
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Practice Questions
Test your understanding with targeted questions
Define φ-Index.
💡 Hint: Think about the conditions under which runoff is initiated.
What does W-Index account for?
💡 Hint: Consider what happens to rainwater before it contributes to runoff.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the φ-Index represent?
💡 Hint: Think about how rainfall affects runoff initiation.
The W-Index accounts for initial moisture losses. True or False?
💡 Hint: Recall the purpose of using W-Index.
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Challenge Problems
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During a heavy rain event, the total precipitation measured 100 mm, with a runoff of 30 mm after 5 hours. Calculate φ and W indices and discuss the implications of your findings.
💡 Hint: Apply the formulas and interpret the findings in the context of hydrology.
A scenario describes a storm with 70 mm of rain, but saturation means only 20 mm is effectively utilized for infiltration with runoff measured at 10 mm. Calculate the W and Wᵐᶦⁿ indices, explaining the environmental conditions leading to those values.
💡 Hint: Make sure to consider how factors like saturation impact infiltration metrics.
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