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3 cards from this section. Quick, good the night before a test.
Define the ϕ-index.
Think about how much water doesn't runoff.
What does the W-index account for?
It's cumulative!
What does the ϕ-index measure?
It's about the water that soaks in.
True or False: The W-index considers only the initial rainfall during its calculation.
Remember, it's cumulative!
Given a scenario of a rain event with 150mm of precipitation and a runoff of 40mm occurring over 5 hours, calculate the ϕ-index and explain its significance.
Use the ϕ-index formula correctly.
Applying Horton’s Equation, explain how varying levels of soil compaction could affect the parameters in the equation.
Think about how compaction influences water movement.
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