Waec Model Questions Vol1 2019 Geography Question 42
Practice objective / multiple choice question 42 from the 2019 Waec Model Questions Vol1 Geography examination.
Two catchments, A and B, are being analysed for peak runoff using the Rational Method. Catchment A has an area of 12 km² with land use: 40% forest (C=0.15), 30% agriculture (C=0.30) and 30% urban (C=0.70). Catchment B has an area of 8 km² with land use: 20% forest, 50% agriculture and 30% urban, using the same C values. For a 10‑minute storm the rainfall intensity is 80 mm/h and infiltration is negligible. Using Q = 0.278 C i A (Q in m³/s, i in mm/h, A in km²), which catchment will have the greater peak discharge and what are the approximate discharges for each catchment?
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About This Question
This is Waec Model Questions Vol1 2019 Geography Question 42. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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