Question

What are the limitations of construction of dams

Answer 1

hi. Arshia..

nice to meet you

Dams tend to be extremely expensive to build and when a decision is taken to build one anyway, it must adhere to a very high standard.

And other point to be kept in mind is that since the cost is so high for dam construction, it goes to mean that they must operate for many decades to become profitable enough.

You must have heard of the rare flooding related to big dams. But this flooding of large areas of land means that the natural environment is destroyed.

Relocation is another big concern. People living in villages and towns that are in the valley that could be flooded, must move out. Hence, they lose their farms and businesses. In some countries, people are forcibly removed so that hydro-power plant constructions can go ahead. This happens to be an ethical concern.

The building of large dams can cause serious geological damage, for instance, the building of the Hoover Dam in the USA triggered a number of earth quakes and has depressed the earth’s surface at its location. This is an alarming matter.

Although modern planning and design of dams has reduced the possibility of certain disasters occurring.

Answer 2

limitations of construction of dams are
1. It submerges the vegetation on its construction site and then it rots under anaerobic condition to produce methane a greenhouse gas
2.It displaces large section of population living on the site where the dam has to be created
3.Hence,it creates the problem of satisfactory rehabilitation