The peak flow of a flood hydrograph caused by an isolated storm was observed to be 100 m³/s. The storm had a duration of 8 hours and total depth of rainfall was 7 cm. If in the above storm, the total rainfall was 9.5 cm in the same duration of 8 hours, then the flood peak discharge is found to be increased by 40%. Considering the base flow as 20 m³/s, the value of -index for the given catchment is cm/h (round off to two decimal places).
The peak flow of a flood hydrograph caused by an isolated storm was observed to be 100 m³/s. The storm had a duration of 8 hours and total depth of rainfall was 7 cm. If in the above storm, the total rainfall was 9.5 cm in the same duration of 8 hours, then the flood peak discharge is found to be increased by 40%. Considering the base flow as 20 m³/s, the value of -index for the given catchment is cm/h (round off to two decimal places).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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