Gce Model Questions Vol1 2020 Geography Question 49
Practice objective / multiple choice question 49 from the 2020 Gce Model Questions Vol1 Geography examination.
A 12 km² catchment is 60 % agricultural (CN = 70) and 40 % forest (CN = 55). Using the SCS method, calculate the runoff depth for a storm delivering 30 mm of rainfall. Then, assuming the storm lasts 2 hours, estimate the peak discharge (m³ s⁻¹) with the rational method, taking the slope length as 2 km and an average slope of 5 %.
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About This Question
This is Gce Model Questions Vol1 2020 Geography Question 49. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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