A 24 hour storm occurred over a catchment with 1.8 km2 area and the total rainfall observed was 10 cm. An infiltration capacity of 1 cm/hr initially and finally 0.3 cm/hr is obtained from Horton's curve with k = 5 hr-1. An IMD pan installed in the catchment indicated a decrease of 0.6 cm in the water level during 24 hours of its operation. What is the runoff from the catchment (in m3)? Assume pan coefficient = 0.7.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A 24 hour storm occurred over a catchment with 1.8 km2
area and the total rainfall observed was 10 cm. An
infiltration capacity of 1 cm/hr initially and finally 0.3
cm/hr is obtained from Horton's curve with k = 5 hr-1. An
IMD pan installed in the catchment indicated a decrease
of 0.6 cm in the water level during 24 hours of its
operation. What is the runoff from the catchment (in m3)?
Assume pan coefficient = 0.7.
Transcribed Image Text:A 24 hour storm occurred over a catchment with 1.8 km2 area and the total rainfall observed was 10 cm. An infiltration capacity of 1 cm/hr initially and finally 0.3 cm/hr is obtained from Horton's curve with k = 5 hr-1. An IMD pan installed in the catchment indicated a decrease of 0.6 cm in the water level during 24 hours of its operation. What is the runoff from the catchment (in m3)? Assume pan coefficient = 0.7.
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