A watershed of 37 km2 was subjected to a storm of 2-h duration from which the following information are recorded in Table Q3. a) Obtain a Unit Hydrograph for this watershed knowing that the base flow in the stream is estimated at 2 m3 /s. [10] b) Derive and plot 6-h Unit Hydrograph for the catchment area. Time (hours) 0 1 2 3 4 5 6 7 8 Discharge (m3 /s) 2 15 30 37 30 22 16 12 2
A watershed of 37 km2 was subjected to a storm of 2-h duration from which the following information are recorded in Table Q3. a) Obtain a Unit Hydrograph for this watershed knowing that the base flow in the stream is estimated at 2 m3 /s. [10] b) Derive and plot 6-h Unit Hydrograph for the catchment area. Time (hours) 0 1 2 3 4 5 6 7 8 Discharge (m3 /s) 2 15 30 37 30 22 16 12 2
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A watershed of 37 km2 was subjected to a storm of 2-h duration from which the following information are recorded in Table Q3. a) Obtain a Unit Hydrograph for this watershed knowing that the base flow in the stream is estimated at 2 m3 /s. [10] b) Derive and plot 6-h Unit Hydrograph for the catchment area.
|
Time (hours) |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
|
Discharge (m3 /s)
|
2 |
15 |
30 |
37 |
30 |
22 |
16 |
12 |
2 |
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