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3 cards from this section. Quick, good the night before a test.
What does the φ-index represent?
Think of it as an infiltration threshold.
Name one purpose of the W-index.
Consider initial conditions before a storm.
What does the φ-index represent?
It is about the runoff threshold.
The W-index accounts for initial moisture loss during what?
Think about conditions before a rainfall event.
Calculate the runoff for a rainfall event of 12 mm/hr when the φ-index is 7 mm/hr.
Remember the formula for calculating runoff.
How can seasonal changes in soil moisture impact the use of the W-index for modeling?
Think about soil conditions throughout the year.
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