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In the US, large glacial outburst floods have been researched since the 1920s. [1] In the 1980s, Russian geologists discovered large deposits created through similar catastrophic outbursts of Pleistocene giant glacier-dammed lakes in inter-montane basins of the Altai Mountain range. [2]
A jökulhlaup is thus a sub-glacial outburst flood. Jökulhlaup is an Icelandic term that has been adopted into the English language, originally referring only to glacial outburst floods from Vatnajökull, which are triggered by volcanic eruptions, but now is accepted to describe any abrupt and large release of sub-glacial water.
As glaciers melt and pour massive amounts of water into nearby lakes, 15 million people across the globe live under the threat of a sudden and deadly outburst flood, a new study finds. More than ...
The Kathmandu Valley received between 240 millimetres (9.4 in) and 322.2 millimetres (12.69 in) between 28 and 29 September, causing flooding in Nepal's capital, Kathmandu. In late September, the Government of Nepal reported at least 224 deaths, 158 injuries, 28 missing persons due to severe flooding, including at least 37 in Kathmandu. Around ...
Already, an estimated 10 million people are at risk of glacial outburst floods in Iceland, Alaska and Asia — a phenomenon already occurring as meltwater collapses ice dams and rapidly floods ...
Altogether 14 glacial lake outburst floods (GLOFs) [19] occurred between 1935 and 1991. In total, 21 GLOFs [20] have been identified as being potentially dangerous at present. In this way, CC and livelihoods integral part and have vice versa relationship. The low income and subsistence users are about 38% of total population.
More than half of the people at risk from glacial outburst floods are in just four countries — India, Pakistan, Peru and China, according to a study published this year in Nature Communications ...
The glacier blocks the river, which backs up into a proglacial lake, which eventually overflows or undermines the ice dam, suddenly releasing the impounded water in a glacial lake outburst flood also known by its Icelandic name a jökulhlaup. Some of the largest glacial floods in North American history were from Lake Agassiz. [3]