Question

A watershed having an area of 4 km² is subjected to a rainfall event of 9 cm. thereby generating stream flow at the outlet of the watershed for 10 h. If the average stream flow rate at the outlet of the catchment is 5 m3/s, occurring for a period of 10 h, the runoff co-efficient of the watershed for the storm is:

• A. 0.3
• B. 0.5
• C. 0.6
• D. 0.4

Answer 1

Answer: (B)