Geography, asked by sanaya52, 1 year ago

what are the advantages and disadvantages of river valley project

Answers

Answered by jakeer1
34
Advantages of multipurpose project:-
1)used to generate hydroelectricity.
2) it supplies water for the domestic and industrial purpose.
3) it helps to control flood.
4) it provide recreation facilities/picnic/boating.
5) they are also for land navigation.
6) useful for pisciculture.
Disadvantages:-
1) multipurpose project affects the natural flow of water.
2) it cause the excessive sediments at the bottom of the river which makes stream beds rockier.
3) it causes the poor habitat of aquatic life.multi purpose projects causes no migration of aquatic fauna.
4) the dam submerged the vegetation and soil at the both of the bank of the river and causes flood plains.
5)multi purpose projects also causes new social movement like Narmada bachao andolan.
Answered by jaswithabode
26
The various advantages and disadvantages of multipurpose river projects can be compared as follows:

Advantages



a.  Irrigation

b.  Electricity generation

c. Water supply for industrial and domestic purposes

d. Flood control

e.  Amusement

f.  Inland navigation
g.  Fish breeding

disadvantage

a. Natural flow of river is affected causing poor flow of sediments also

b. Excessive sedimentation of the reservoir
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c. Stream beds become rockier

d. Dam fragments a river thus making it difficult for aquatic fauna to migrate, and for spawning

e. Reservoirs submerge the existing vegetation and soil leading to its decomposition over time.

f. Deforestation and displacement of local people

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