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Q: The total quantity of surface water that can be expected in a given period from a stream at the outlet of its catchment is known as ______.
  • A. non-consumptive flow
  • B. watershed flow
  • C. return flow
  • D. yield
Correct Answer: Option D - The total quantity of surface water that can be expected in a given period from a stream at the outlet of its catchment is known as yield. It is expressed in million meter cube. • After water is used some of it can return back to the river system this water is known as a "return flow'.
D. The total quantity of surface water that can be expected in a given period from a stream at the outlet of its catchment is known as yield. It is expressed in million meter cube. • After water is used some of it can return back to the river system this water is known as a "return flow'.

Explanations:

The total quantity of surface water that can be expected in a given period from a stream at the outlet of its catchment is known as yield. It is expressed in million meter cube. • After water is used some of it can return back to the river system this water is known as a "return flow'.