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Glacial lakes UPSC NOTE

 Why in news

  • With the monsoon season setting in, the Uttarakhand State Disaster Management Department (USDMA) is set to do a vulnerability study of the 13 glacial lakes, five of them in “high risk zone” from the coming month. 

  • The study aims to provide data to help avoid calamities such as lake outbursts.

Glacial lakes

  • Glacial lakes are formed in depressions on glaciers or in moraines left by retreating glaciers. 

  • They take shape as glaciers carve out the landscape through erosion and then melt, filling the depressions formed by their movement.

  • Glacial lakes are classified into four main types 

    • Moraine-dammed (water dammed by moraine) 

    • Ice-dammed (water dammed by ice), 

  • Erosion (water dammed in depressions formed by erosion), 

  • other glacial lakes

Associated issues

  • Glacial Lake Outburst Flood (GLOF) : refers to the sudden release of a significant amount of water from a glacier-dammed lake, often triggered by events like avalanches, earthquakes, or glacier melting

    • Infrastructure Damage

    • Ecosystem Disruption

    • Agricultural Losses

    • Human Vulnerability

COMMENTS

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Amritsar,1,April 2024,301,Art & Culture,1,August 2023,251,Courses,7,Daily Current Affairs,48,December 2023,189,Disaster Management,2,Environment and Ecology,193,February 2024,228,Foundation Course,1,GDP,1,GEMS Club,1,GEMS Plus,1,Geography,191,Govt Schemes,2,GS 2,1,GS1,6,GS2,68,GS3,26,GST,1,History,11,Home,3,IAS Booklist,1,Important News,71,Indian Economy,173,Indian History,10,Indian Polity,202,International Organisation,12,International Relations,143,Invasive Plant,1,January 2024,240,July 2023,281,July 2024,230,June 2022,6,June 2023,268,June 2024,324,March 2024,238,May 2022,17,May 2024,330,Mentorship,2,November 2023,169,October 2023,203,Places in News,2,Science & Technology,135,Science and Technology,95,September 2023,205,UPSC CSE,111,
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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Glacial lakes UPSC NOTE
Glacial lakes UPSC NOTE
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