7.1 - Gradually Varied Flow and Rapidly Varied Flow
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Practice Questions
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Define gradually varied flow.
💡 Hint: Consider how the depth changes with distance.
Give an example of rapidly varied flow.
💡 Hint: Think of places where water drops suddenly.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does GVF stand for?
💡 Hint: Think of how water depth changes in long channels.
True or False: Rapidly varied flow occurs when the water depth changes gradually.
💡 Hint: Consider how quickly the depth can change.
1 more question available
Challenge Problems
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Calculate the flow rate of a rectangular channel with a width of 5m, depth of 2m, with a Manning's n of 0.015 and slope of 0.01.
💡 Hint: Apply the formula Q = (1/n) * A * R^{2/3} * S^{1/2} and remember to calculate area and hydraulic radius.
Discuss how you would measure the impact of rapidly varied flow on nearby ecosystems.
💡 Hint: Consider the immediate vs. long-term effects of flow changes.
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