Explain any three disadvantages of multi purpose project
Answers
Explanation:
Advantages:
a. Multipurpose projects help in the storage of fresh water.
b. The stored water is used for irrigation.
c. Electricity can be generated using this stored water.
d. Fish breeding sites can be developed in these projects.
e. These projects are meant to control floods.
f. These projects can also be used for tourism and recreational activities.
Disadvantages:
a. Forests need to be cleared for constructing multi-purpose projects.
b. Farmers tend to over-irrigate their fields the result of which is soil erosion.
c. Mass movements like Narmada Bachao Andolan and Tehri Dam movement etc., stand in the way of these projects.
d. The natural flow of water gets obstructed because of the dams and sediments gets deposited at the base of the dam, and hence there is a substantial reduction in the storage level of these dams. Thus, these dams are in a way responsible for floods.
Answer:
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Explanation:
A multipurpose project is that which simultaneously serves several purposes. A dam built across a river often serves more than one purpose at a time and it is termed as a multipurpose project. It comes with some advantages at the same time some disadvantages. The advantages are flood control in flood-prone areas, irrigation facilities, hydroelectricity, check soil erosion etc. On the other hand, it has disadvantages such as, it restricts the natural flow of the river and the sediments are deposited in the river bed, it causes deforestation and disturbs the aqua life of the river