What is Dam? Explain benefits and losses of Dam.
बांध क्या है? बांध के लाभ और हानियों का वर्णन करो।
Answers
Answer:
A dam is a large wall or barrier that blocks or stops the flow of water, forming a reservoir or a lake. Most dams have a section called a spillway or weir over which, or through which, water flows, either sometimes or always.
BENEFITS OF DAMS :
Dams are built to control flood and store flood water
Sometimes dams are used for diverting part or all of the water from river into a channel.
Dams are used mainly for drinking and agricultural purposes.
Dams are built for generating electricity
Dams are used for recreational purposes
Navigation and fishery can be developed in the dam areas
PROBLEMS OF DAMS:
Upstream problems
Displacement of tribal people
Loss of non-forest land
Loss of forests, flora and fauna
Landslides, sedimentation and siltation occurs
stagnation and waterlogging around reservoirs retards plant growth
Breeding of vectors and vector-borne diseases
Reservoir Induced Seismicity (RIS) causes earthquakes
Navigation and aquaculture activities can be developed in the dam area
Explanation:
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