The table below gives the ordinates of a stream, flow hydrograph at the outlet of a catchment of an area 600 km2 due to a storm that is believed to have duration of 3 hours. Assuming a constant base flow of 50 m³ /s, compute the ordinates of a 3-hour UH for the catchment. 30 Time (hr) 0 3 6 50 | 600 950 | 27 150 12 33 21 240 9 15 18 24 36 Flow 700 530 400 310 190 110 80 50 (m/s)

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Chapter2: Loads On Structures
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'The table below gives the ordinates of a stream, flow hydrograph at the outlet of a catchment of an
area 600 km2 due to a storm that is believed to have duration of 3 hours. Assuming a constant base flow of
50 m³ /s, compute the ordinates of a 3-hour UH for the catchment.
Time (hr)
0 3 6
9 12
| 21
| 27
30
150
15
18
24
33
36
Flow
50 600 950
700
530
400
310
240
190
110
80
50
(m/s)
Transcribed Image Text:'The table below gives the ordinates of a stream, flow hydrograph at the outlet of a catchment of an area 600 km2 due to a storm that is believed to have duration of 3 hours. Assuming a constant base flow of 50 m³ /s, compute the ordinates of a 3-hour UH for the catchment. Time (hr) 0 3 6 9 12 | 21 | 27 30 150 15 18 24 33 36 Flow 50 600 950 700 530 400 310 240 190 110 80 50 (m/s)
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