What Is Glacial Lake Outburst Flood
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A glacial lake outburst flood (GLOF) is a sudden release of a large amount of water from a glacial lake
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GLOFs can occur when a lake fed by glacial meltwater breaks through its dam and drains quickly
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These can be rapid events that last hours to days, and can result in large downstream river discharges
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The National Disaster Management Authority of India or NDMA has recently finalised a list of 189 "potentially dangerous" glacial lakes
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This is the kind of flood that had devastated the Kedarnath valley in 2013 and parts of Chamoli in 2021
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In October last year, the South Lhonak Lake in North Sikkim breached, causing a glacial lake outburst flood
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The Teesta III dam, the biggest hydropower project in Sikkim was decimated by a GLOF that led to devastation in downstream areas
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