a mean annual runoff 1 m3/s from a catchment of area 10 km2 represents an effective rainfall of
10.0 cm
315.4 cm
100 cm
31.54 cm
150 cm
View Answer
Correct Answer: B — 315.4 cm
Explanation:
Given: Runoff = 1 m3/sec Catchment area = 10 km2 Calculations: Effective rainfall = Mean Annual Rainfall = 1 m3/sec × 365 × 24 × 60 × 60 Catchment Area = 10 km2 = 10 × 106 m2 Effective rainfall =
