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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.
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 ...
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 ...
Glacial outburst floods have become a problem in this area. In particular, the Sofiyskiy Glacier in the region has been retreating at a rate of 18 m (59 ft) per year. [4] A rise in temperature also poses a threat to the various endangered species that are housed in the mountain region.
Finally, Lake Agassiz was an immense glacial lake located in the center of North America. Fed by glacial runoff at the end of the last glacial period, its area was larger than all of the modern Great Lakes combined, and it held more water than contained by all lakes in the world today. It drained in a series of events between 13,000 BP and ...
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 pyrenees have a lot of small glaciers that have stopped moving or haven't been studied since becoming very small. For example, in the Monte Perdido masif there were many more glaciers, like the Grieta, the La cascade, the Marboré, the Paillas (two glaciers), and the Astazou.