Question

How does a man-made lake help a river to regulate its flow ?

CBSE Class IX Social Science SA (3 Marks)

Answer 1

Man-made lakes help a river to regulate its flow in the following manner:

(i)   Man-made lakes are generally created by construction of dams.

(ii) The reservoirs thus created help to control the flow of the rivers.

(iii)  It helps in regulating the flow of water to be released to downstream regions as per the requirement.

(iv) In this manner it also helps in the prevention of flooding.

Answer 2

Answer:

• Man-made lakes help a river to regulate its flow in the following manner: (i) Man-made lakes are generally created by construction of dams. (ii) The reservoirs thus created help to control the flow of the rivers. (iii) It helps in regulating the flow of water to be released to downstream regions as per the requirement.Aug 20, 2016