12.4.2 - Isohyetal Method
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Practice Questions
Test your understanding with targeted questions
What is an isohyet?
💡 Hint: Think of it as a 'rain fall' line.
What do we calculate between isohyets?
💡 Hint: Focus on the area concept.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of the Isohyetal Method?
💡 Hint: Focus on rainfall and hydrology.
True or False: Isohyets are only used in urban settings.
💡 Hint: Think about where rainfall data might be collected.
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Challenge Problems
Push your limits with advanced challenges
Given a scenario with three isohyets of 20 mm, 30 mm, and 40 mm within a certain storm area, calculate the total volume of rainfall over the area, assuming each isohyet covers 5 km².
💡 Hint: Convert mm to meters when calculating volume.
Critically analyze a situation where isohyetal mapping was incorrectly performed. What were the potential outcomes for urban drainage design?
💡 Hint: Think about how poor predictions affect planning and safety.
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