A direct runoff hydrograph due to an isolated storm with on effective rainfall of 3.6 cm was trapezoidal in shape as shown in figure. The hydrograph corresponds to a catchment area of: Discharge (cumes) 100 cumes → 78 hours 6 hours Time (hr)

A direct runoff hydrograph due to an isolated storm with on effective rainfall of 3.6 cm was trapezoidal in shape as shown in figure. The hydrograph corresponds to a catchment area of: Discharge (cumes) 100 cumes → 78 hours 6 hours Time (hr)

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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Concept explainers

Unit Hydrograph

Hydrology is the science which deals with the study of water on the earth’s surface. The word Hydrograph is derived from the word hydro which means water. Hydrograph is basically a graph in which the discharge is plotted against the time interval at a specific point in a river or other channel. In a hydrograph, the discharge is plotted along the y-axis and time interval is plotted along the x-axis. Hydrograph is used to estimate the runoff. The variations in discharges with the change in time is shown by a hydrograph. It was revealed that the total discharge at an outlet increases with time by a kinematic wave model.

Question

A direct runoff hydrograph due to an isolated storm with on effective rainfall of 3.6 cm was trapezoidal in shape as
shown in figure. The hydrograph corresponds to a catchment area of :
Discharge
(cumes)
100
cumes
- 6 hours
78 hours
Time (hr)

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