Agricultural Engineering > GATE 2015 > Hydrograph
A catchment of 720 ha area has 25-year mean rainfall intensity of 100 mm h⁻¹ occurring for a duration equal to its time of concentration. During a storm event, the catchment received a total of 7.5 cm design rainfall for 6 hours. Assuming φ-index of 0.25 cm h⁻¹ and runoff coefficient of 0.6, the peak ordinate of the 6-h unit hydrograph in m³ s⁻¹ will be _______.
Correct : 20
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