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A flood hydrograph of a river draining a catchment of 189km2 due to a 6-hour isolated storm is in the form of a triangle with a base of 66 hours and a peak flow of 36 m/s occurring at 12 hours from the start. Assuming zero base flow, develop a 6-h UH for this catchment. Using the 6h-UH in the previous problem, derive a 12-h UH for the catchment.

A flood hydrograph of a river draining a catchment of 189km2 due to a 6-hour isolated storm is in the form of a triangle with a base of 66 hours and a peak flow of 36 m/s occurring at 12 hours from the start. Assuming zero base flow, develop a 6-h UH for this catchment. Using the 6h-UH in the previous problem, derive a 12-h UH for the catchment.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A flood hydrograph of a river draining a catchment of 189km2 due to a 6-hour isolated storm is in the form of a triangle with a base of 66 hours and a peak flow of 36 m/s occurring at 12 hours from the start. Assuming zero base flow, develop a 6-h UH for this catchment. Using the 6h-UH in the previous problem, derive a 12-h UH for the catchment.
Transcribed Image Text:A flood hydrograph of a river draining a catchment of 189km2 due to a 6-hour isolated storm is in the form of a triangle with a base of 66 hours and a peak flow of 36 m/s occurring at 12 hours from the start. Assuming zero base flow, develop a 6-h UH for this catchment. Using the 6h-UH in the previous problem, derive a 12-h UH for the catchment.
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