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Sep 7, 2024 · Among the 49 glacial lakes, 40 glacial lakes were moraine-dammed lakes. There have been 122 moraine-dammed lake outburst flood events, accounting for 52% of the total number of GLOFs (Fig. 3a ).
Sep 18, 2024 · On the night of October 3, 2023, the moraine-dammed South Lhonak Lake in Sikkim suddenly discharged a substantial volume of water, resulting in a glacial lake outburst flood (GLOF) that caused 178 fatalities and the destruction of three downstream hydropower projects, making it one of the most devastating GLOF events in the Himalayas. Leveraging satellite imagery and numerical modeling, this ...
May 6, 2021 · Outburst floods from moraine-dammed glacial lakes can be triggered by various mechanisms, including intense precipitation and snowmelt 26,27, and most commonly, from the impact of ice and/or rock ...
- Guoxiong Zheng, Guoxiong Zheng, Simon Keith Allen, Simon Keith Allen, Anming Bao, Juan Antonio Balle...
- 2021
Jun 13, 2024 · In contrast, moraine-dammed lakes are characterized by long periods of inactivity without outburst flood events, sometimes spanning several decades or the lifespan of a lake. They are therefore ...
- Adam Emmer
- adam.emmer@uni-graz.at
Jun 10, 2024 · In 2020, glacial lakes were present in 31 countries across the global, with 15 million people found to be at risk of GLOF impacts. The most at-risk were found in High Mountain Asia (HMA), where a total of 9.3 million people are exposed to 2211 glacial lakes covering an area 1256.09 km 2. In comparison, approximately 800,000 people are at risk ...
Researchers have discovered that moraine-dammed lakes are the most common proglacial lake to flood. There are a total of 100,000 moraine-dammed lakes and 15% of them are susceptible to GLOFs. With this being said, researchers are working hard to understand this threat so they can come up with a way to slow this data down. 15% of 100,000 is 15,000. 15,000 lakes have a high chance of flooding ...
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Jun 10, 2021 · On December 13, 1941, in Huaraz, Peru, a natural dam that had held back Lake Palcacocha burst, killing 2,000 people. This type of catastrophic event is known as a “glacial lake outburst flood”. Heavy rainfall and rock, snow or ice avalanches can raise water levels in moraine-dammed glacial lakes, causing it to collapse or overflow.
