Mention any five advantage and five disadvantages of multipurpose river project
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Answer:
Compare the advantages and disadvantages of multipurpose projects.
Ans. Advantage:-
1. Flood control:- River valley projects control the flood and thereby check soil erosion.
2. Irrigation:- They provide water for irrigation in the command area during dry
Seasons.
3. Electricity generation:- These projects are the main source of power. They ensure
regular electricity for Industrial and household purposes.
4. Inland navigation:- River valley projects provide inland water navigation through the
main river and Canal that link different regions.
5. Fish breeding:- This provides ideal conditions for the development of fisheries.
6. Amusement:- People in large numbers come here as tourists and recreate themself
in boating on the canals and reservoirs.
Disadvantages
1. Displacement of local communities:- The building of large dams result in
displacement of local communities. The displaced people do not get full rehabilitation
facilities from the government.
2. Adverse impact on aquatic life:- Due to construction of dams on the rivers, the fish
in the downstream area do not get sufficient nutrient material.
3. Change in the cropping pattern:- Most of the farmers have changed the cropping
patterns sifting to cultivation of water intensive and commercial crops.
4. Increase the social gap:- River valley project has transformed the social gap
between rich landlords and the landless poor.
5. Excessive sedimentation:- Regulating and damming of rivers affect the natural flow
and excessive sedimentation at the bottom of the reservoir.