The formation of irregular, often water-filled hollows and collapsed terrain where ice-rich permafrost thaws and the ground subsides into the space left by the melted ice. Accelerating thermokarst development across the Arctic is a widely studied consequence of permafrost thaw under a warming climate.
Facts
Partially Attested
Process TypeThe source describes the resulting terrain type formed by permafrost thaw; classing the underlying thaw-subsidence process as geomorphological is the atlas's own reading. Sources
1. Thermokarst, Wikipedia
Lead paragraph, first sentenceQuote, Lead paragraph, first sentence
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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