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thaw slumps News

Looking into Earth's past — The Batagaika crater in Siberia

A crater in Siberia that began forming in 1960 has now grown to a monstrous size and shows no signs of stopping. Locals call it the "Gateway to the Underworld," but it is actually a very real example of our changing climate.

Climate-driven Arctic permafrost collapse causing dramatic change

Across Canada's Northwest Territories, huge slabs of thawing Arctic permafrost are slumping and disintegrating, sending rivers of carbon-rich mud and silt into waterways. This will lead to a climate-driven geomorphic transformation of our ecosystem.

Warming temperatures cause Canadian lake to fall off cliff

Yellowknife - Dramatic proof of climate change in the Arctic was caught on time-lapse video on July 15. Remote cameras documented the collapse of a small lake in the Northwest Territories (NWT) falling off a cliff, breaking through a melting earthen rampart.
 

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NWT Geological Survey
Thaw slump distribution and glaciated terrain - 
A: Slump-affected terrain in northwestern Canada an...
Thaw slump distribution and glaciated terrain - A: Slump-affected terrain in northwestern Canada and positions of the Laurentide Ice Sheet from ca. 18–11 ka.
NWT Geological Survey
File photo: A lake  which has no name and sits in the Northwest Territory s northern corner near the...
File photo: A lake, which has no name and sits in the Northwest Territory's northern corner near the community of Fort McPherson, is a victim of the region's geology and changing climate. In a dramatic example of how climate change is altering the Arctic landscape, the small northern lake has fallen off a cliff after bursting through the melting earthen rampart that restrained it. Date: Dec. 21, 2015.
Handout / Government of Northwest Territories
Across the vast landscape of the Northwest Territories (NWT)  global warming is driving the thawing ...
Across the vast landscape of the Northwest Territories (NWT), global warming is driving the thawing of the Arctic's permafrost, creating thaw slumps that can dramatically alter the landscape.
Steve Kokelj Permafrost Scientist Northwest Territories Geological Survey

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