6.12 The ordinates of a 6-h unit hydrograph are given.Time (h)6-h UH ordi-nate (m/s)391218 24 30 36 42 4854 60 660 150 250 450 600 800 700 600 450 320 200 100 50The McGraw Hill CompaniesHydrographs 239A storm had three successive 6-h intervals of rainfall magnitude of 3.0, 5.0 and 4.0 cm,respectively. Assuming a ø index of 0.20 cm/h and a base flow of 30 m/s, determine andplot the resulting hydrograph of flow.

Determine the effective rainfall at all given magnitude 3.0 cm, 5.0 cm and 4.0 cm hydrograph of flow…

A storm had three successive 6-h intervals of rainfall magnitude of 3.0, 5.0 and 4.0 cm, respectively. Assuming a ø index of 0.20 cm/h and a base flow of 30 m/s, determine and plot the resulting hydrograph of flow

A storm had three successive 6-h intervals of rainfall magnitude of 3.0, 5.0 and 4.0 cm, respectively. Assuming a ø index of 0.20 cm/h and a base flow of 30 m/s, determine and plot the resulting hydrograph of flow

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

6.12 The ordinates of a 6-h unit hydrograph are given.
Time (h)
6-h UH ordi-
nate (m/s)
3
9
12
18 24 30 36 42 48
54 60 66
0 150 250 450 600 800 700 600 450 320 200 100 50
The McGraw Hill Companies
Hydrographs 239
A storm had three successive 6-h intervals of rainfall magnitude of 3.0, 5.0 and 4.0 cm,
respectively. Assuming a ø index of 0.20 cm/h and a base flow of 30 m/s, determine and
plot the resulting hydrograph of flow.

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