whar are the disadvantegs of multi purpose project(dam)
Answers
Answer:
Dams can displace a significant number of people. ...
Reservoirs behind a dam can lead to higher greenhouse gas emissions. ...
This technology disrupts local ecosystems. ...
Some river sediment is beneficial. ...
Dams create a flooding risk if they experience a failure.
Explanation:
Disadvantages of multipurpose projects:
Large dams affect the natural flow of rivers. ...
The dams on the flood plains submerge the vegetation and soil leading to its gradual decomposition.
It further results in floods due to the deposition of sediments in the reservoirs.
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Answer:
Disadvantage:
a. Due to the construction of dams, there are no adequate floods in the river. Because of this, the soil of the downstream region does not get nutrient rich silt.
b. Dams also fragment rivers making it difficult for aquatic fauna to migrates for spawning i.e to produce eggs.
c. It resulted in displacement of local communities.