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Give a brief account of Tehri Hydroelectric Scheme. [Answer Limit: 125 words] [UKPSC 2016]
The Tehri Hydropower Project is a multi-purpose project located on the Bhagirathi River in Uttarakhand, India. The Tehri Dam, at 260.5 meters high, is the tallest dam in India, providing a reservoir for irrigation, municipal water supply and hydroelectric power generation. The project has a tRead more
The Tehri Hydropower Project is a multi-purpose project located on the Bhagirathi River in Uttarakhand, India. The Tehri Dam, at 260.5 meters high, is the tallest dam in India, providing a reservoir for irrigation, municipal water supply and hydroelectric power generation. The project has a total installed capacity of 2,400 MW, including:
The project, which started in 1978 and finished in 2006, aimed to meet water needs in droughts, produce electricity, and control flooding.
See lessDescribe the landforms produced by wind erosion. [Answer Limit: 250 words] [UKPSC 2016]
Wind erosion naturally sculpts the Earth's surface by carrying away soil and rock substances. It primarily happens in arid and desolate regions where there is minimal plant coverage to prevent soil erosion. Below are a few geographic features that have been formed as a result of wind erosion: Dunes:Read more
Wind erosion naturally sculpts the Earth’s surface by carrying away soil and rock substances. It primarily happens in arid and desolate regions where there is minimal plant coverage to prevent soil erosion. Below are a few geographic features that have been formed as a result of wind erosion:
Dunes: These are hills of sand formed by the wind blowing sand grains. Sandy hills are present in both deserts and on the edges of oceans. They are available in different forms, including crescent, linear, and star-shaped.
Abrasion: This occurs when wind carries small particles that hit larger rocks, wearing them down over time. This can create smooth surfaces and unique rock formations.
Deflation Hollows: These depressions result from the wind eroding loose material from the ground. They have the potential to reach significant depths and are frequently located in desert regions.
Ventifacts: These are rocks that have been shaped by wind-blown sand, often showing flat faces or sharp edges due to constant abrasion.
Pediments: These are gently sloping rock surfaces at the base of hills formed by the removal of soil and debris by wind.
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