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Periglacial processes
Cold-climate processes, including freeze-thaw weathering, frost heave and solifluction, that shape exposed ground where freezing occurs seasonally or permanently, typically around or beyond glaciers rather than beneath moving ice.
Example
Pingo
Ice-cored hills that can reach up to 100 meters in height and 1,000 meters in width.
Thermokarst
The irregular, depressed surfaces formed by the melting of permafrost.