Question:
The ordinates of a 1-hour unit hydrograph (UH) are given below.Time (hours) 0 1 2 3 4 5 6 7 8 9 10 11 Ordinates of 1-hour UH (m3/s) 0 13 50 80 95 85 55 35 15 10 3 0
These ordinates are used to derive a 3-hour UH. The peak discharge (in m3/s) for the derived 3-hour UH is _____ (rounded off to the nearest integer).
The ordinates of a 1-hour unit hydrograph (UH) are given below.
These ordinates are used to derive a 3-hour UH. The peak discharge (in m3/s) for the derived 3-hour UH is _____ (rounded off to the nearest integer).
| Time (hours) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ordinates of 1-hour UH (m3/s) | 0 | 13 | 50 | 80 | 95 | 85 | 55 | 35 | 15 | 10 | 3 | 0 |
Updated On: Feb 3, 2026
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Correct Answer: 86
Solution and Explanation
The answer is: 86 or 88 (approx.)
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