#thermokarst

Thermokarst

Irregular land surface of marshy hollows and small hummocks formed when permafrost thaws

Thermokarst is a type of terrain characterised by very irregular surfaces of marshy hollows and small hummocks formed when ice-rich permafrost thaws. The land surface type occurs in Arctic areas, and on a smaller scale in mountainous areas such as the Himalayas and the Swiss Alps.

Tue 20th

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