Thermokarst is a type of terrain characterised by very irregular surfaces of marshy hollows and small hummocks formed when ice-rich permafrost thaws.
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May 30, 2015 · Thermokarst lakes, formed when permafrost thaws and creates surface depressions that fill with melted water, are a prominent feature of ...
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A thermokarst lake (Fig. 13.13), or an alas, is a result of subsidence as ground ice below decays. The lake will continue to grow as the warmer surface ...
Thermokarst, land surface configuration that results from the melting of ground ice in a region underlain by permafrost.
Thermokarst lakes dominate large areas of the Arctic land surface and may expand as permafrost continues to warm and thaw. We will explore a new frontier in ...
Thermokarst lakes are point sources of carbon dioxide and methane which release long-term carbon stocks into the atmosphere, thereby initiating a positive ...
Thermokarst lake formation is a dominant mode of permafrost degradation and is linked to surface disturbance, subsequent melting of ground ice, surface ...
Aug 20, 2020 · Here we present the gradual transition from syngenetic ice-wedge polygon terrain to a thermokarst lake in Holocene sediments of the eastern Canadian Arctic.
Feb 5, 2024 · Thermokarst lake, also called thaw lake, tundra lake, thaw depression, or tundra pond, refers to a body of shallow freshwater. Thermokarst lakes ...
Apr 4, 2019 · Warming temperatures increase permafrost thaw and production of greenhouse gases. Also, permafrost thaw leads to the formation of lakes which ...