irregular, hummocky topography in frozen ground caused by melting of ice
Landscape dominated by depressions, pits, and caves that is created by the thawing of ground ice in high latitude locations. Resembles karst landscape but is not created by chemical weathering.
the process by which characteristic landforms result from the thawing of ice-rich permafrost or the melting of massive ice.
Thermokarst refers to a land surface that forms as ice-rich permafrost melts. It occurs extensively in Arctic areas, and on a smaller scale in mountainous areas such as the Himalayas and the Swiss Alps.