The mean daily discharge hydrograph from a basin is given below. It is known that the recession limb of this hydrograph has three components: channel storage, interflow, and baseflow. Assuming that the recession part of the hydrograph follow the geneeral depletion equation, find the values of K, and a for each of the flow components using Barnes (semi-log) method. (K=e") Date Q (m³/s) 10 278 265 5350 8150 6580 1540 505 280 219 195 179 167 157 147 139 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 131 123 117 111 105 100

The mean daily discharge hydrograph from a basin is given below. It is known that the recession limb of this hydrograph has three components: channel storage, interflow, and baseflow. Assuming that the recession part of the hydrograph follow the geneeral depletion equation, find the values of K, and a for each of the flow components using Barnes (semi-log) method. (K=e") Date Q (m³/s) 10 278 265 5350 8150 6580 1540 505 280 219 195 179 167 157 147 139 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 131 123 117 111 105 100

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

Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.

Question

Problem 1.
The mean daily discharge hydrograph from a basin is given below. It is known that the recession limb
of this hydrograph has three components: channel storage, interflow, and baseflow. Assuming that the
recession part of the hydrograph follow the geneeral depletion equation, find the values of K, and a for
each of the flow components using Barnes (semi-log) method. (K=e")
Date
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Q (m³/s)
278
265
5350
8150
6580
1540
505
280
219
195
179
167
157
147
139
131
123
117
111
105
100

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Step 2: Recession Limb

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Step 3: hydro-graph

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Step 4: Recession coefficient

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