1.

A direct runoff hydrograph due to a storm idealized into a triangular shape has a peak flow rate of 60 m3 / s occurring at 25 hours from its start. If the base width of this hydrograph is 72 hours, and the catchment area is 777.6 km2, the runoff from the storm is

A. 1 cm
B. 2 cm
C. 5 cm
D. 10 cm
Answer» B. 2 cm


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