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Heavy rains and a glacial lake outburst flood combined in 2013 in India to kill thousands of people. A 2021 deadly flood in India that was initially attributed to a glacial lake outburst wasn’t ...
Major tragedies of this kind are relatively rare in Bhutan, which sits between China and India and has a population of just 750,000. But in 2021, at least 10 people were killed when flash floods ...
Chubda Glacial Lake: Bumthang District: Located in the upper Chamkhar Chhu basin, this large supraglacial lake was identified as a potential danger in 2001. [28] Taksha Tsho Glacial Lake: Gasa District: Lunana Gewog: Taksha Tsho is 500 metres (1,600 ft) in diameter and 110 metres (360 ft) deep. [6]: 131 Tsokar Glacial Lake: Bumthang District ...
A water body that is dammed by the front of a glacier is called a marginal lake, and a water body that is capped by the glacier is called a sub-glacial lake. When a marginal lake bursts, it may also be called a marginal lake drainage. When a sub-glacial lake bursts, it may be called a jökulhlaup. A jökulhlaup is thus a sub-glacial outburst flood.
Tangible climate change has resulted in the warming and recession of many of Bhutan's glaciers, increasing the frequency and severity of glacial lake outburst floods (GLOFs). Bhutan has also seen a shift in agriculture patterns due to climate change, prompting concern over the stability of agriculture in Bhutan.
Waters of a glacial lake breached a hydroelectric dam in the Indian Himalayan region on Wednesday, 4 October, triggering deadly flooding which has killed at least 40 people according to officials.
Natural events such as landslides or the slow melting of a frozen moraine can incite drainage of a supraglacial lake, creating a glacial lake outburst flood. In such a flood, the lake water releases rushes down a valley. These events are sudden and catastrophic and thus provide little warning to people who live downstream, in the path of the water.
On 7 October 1994, a GLOF from Luggye lake (part of Lunana glacial system) led to over 20 fatalities in Punakha. [1] This disaster, the first of its kind in Modern Bhutan, increased the frequency of glacial-system-surveys by manifold. [1] Evaluation of GLOF hazard has since formed a significant component of glacial expeditions. [1]