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During a 6-hour storm, the rainfall intensity was 0.8 cm/hour on a catchment of area 8.6 km². The measured runoff volume during this period was 2,56,000 m³. The total rainfall was lost due to infiltration, evaporation, and transpiration (in cm/hour) is
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- 0.80
- 0.304
- 0.496
- sufficient information not available
Correct Option: B
Rainfall, P = i × t = 0.8 × 6 = 4.8 cm
Run off depth,
| R = | ||
| Catchment area |
| = | ||
| 8.6 × 106 |
= 0.02976 m
= 2.97 m
| Total loss = | = | = 0.34 cm/h | ||
| r | 6 |
