list any five multipurpose river valley projects and discuss their merits and demerits
Answers
✨Some merits of multipurpose projects are:
1️⃣ They help in storing water at large amounts which also can be used for agriculture or other purposes.
2️⃣ Help in generating hydro-electricity.
3️⃣ Helpful in checking floods.
4️⃣ Provide the facility of fishing.
5️⃣ They can also be used for navigation.
✨Some demerits of multipurpose projects are:
1️⃣ Sometimes a leakage in the dam from can be very harmful for the adjacent areas.
2️⃣ They cover a large area of cultivable land and forest area.
3️⃣ Sometimes they may also cause flooding in the area.
4️⃣ They can also stop aquatic fauna migration.
5️⃣ Sometimes, they may also cause water borne diseases.
1. Beas Project
It is a joint venture of the governments of Punjab, Haryana and Rajasthan. It consists of two units: (i) Beas-Sutlej Link and (ii) Beas Dam at Pong. The project links the Beas and the Sutlej rivers in Punjab through 38.4 km of hills and valleys. The waters of the Beas were poured into the mighty Sutlej river on July 10, 1977 at the first-ever man-made confluence of the two major rivers at Slapper in Himachal in a mighty bid to augment the water resources of the Gobind Sagar Lake of the Bhakra-complex. This completed the Rs 380- crore dream which was realised in a period of only 12 years.
2. Bhadra Reservoir Project
It is constructed across the river Bhadra which is in Karnataka.
3. Bhakra-Nangal
Project (Himachal Pradesh) Largest multipurpose project in India and the highest straight gravity dam in the world (225.5 m high) on the river Sutlej.
4. Chambal Valley Project
It is a joint undertaking by the Rajasthan and Madhya Pradesh governments. The Rana Pratap Dam at Bhata, 48 km from Kotah, was inaugurated on Feb 9, 1970. The project comprises construction of two other dams: Gandhi Sagar Dam in Madhya Pradesh and Jawahar Sagar (Kotah) Dam in Rajasthan.
5. Damodar Valley Project (West Bengal and Bihar)
Principal object of this multipurpose scheme is to control the flowing of the Damodar which is notorious for its vagaries and destructiveness. It is designed on the lines of the Tennessee Valley Authority (T.V.A.) in U.S.A
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