27.5.2 - Philip’s Equation
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Practice Questions
Test your understanding with targeted questions
What does S represent in Philip's Equation?
💡 Hint: Remember, it starts with an 'S' for 'Soil absorption'.
What is used to represent the steady-state infiltration rate in Philip's Equation?
💡 Hint: A stands for 'Always constant' after a while.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Philip's Equation predict?
💡 Hint: Think about the relationship between rain and absorption.
Philip's Equation involves which of the following components?
💡 Hint: Recall the variables defined in the equation.
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Challenge Problems
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A soil has a sorptivity (S) of 0.1 m/day and a steady-state infiltration rate (A) of 0.2 m/day. Calculate the infiltration rate after 9 days.
💡 Hint: Focus on the square root of time and multiply it properly.
Discuss how changes in soil texture (e.g., from clay to sandy) affect the components of Philip's Equation and resulting infiltration rates.
💡 Hint: Think about how the water moves differently through various soil types.
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