advantages and disadvantages of dam write five five points each
Answers
Answer:
disadvantage of dam
Explanation:
There are numerous advantages of building a dam and that is the reason why a government invests so much money in the construction and maintenance of Dams. But there are certain disadvantages related to it. Some of the disadvantages are:
Building a dam is very expensive, the government needs to ensure that strict guidelines are followed and a very high standard is maintained.
They must operate for many years in order to become profitable enough to compensate for the high building cost.
People residing in villages and towns in the nearby area, where there are chances of flooding, have to be relocated. They lose their businesses and farms.
Sometimes people are removed forcibly to set up hydro-power plant and it poses a serious ethical concern.
The building of large dams can cause serious changes to the earth’s surface and lead to geological damage. It can trigger frequent earthquakes, however, modern planning and design of dams have reduced the possibility of occurrence of certain disasters.
Explanation:
Disadvantages :
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.
Advantages:Rivers and streams provide a great opportunity for transportation. Barges and ships can navigate along a river carrying large loads of food and merchandise. This style of transportation is effective because the loads carried can be quite large.
Dams provide a wonderful opportunity for recreation. In building a dam water is stored behind it. This water is called a reservoir.
Since the water stored in dams is fresh water, it can then be used for drinking water in nearby towns and cities.
Dams help in preventing floods. They catch extra water so that it doesn’t run wild downstream
Dams and waterways store and provide water for irrigation so farmers can use the water for growing crops