an Eskimo term for a perennial frost mound consisting of a core of massive ice with soil and vegetation cover. The size of a pingo can range from a few meters to tens of meters, in both diameter and height. Pingos can be found in continuous and discontinuous permafrost zones.
A low hill or mound forced up by hydrostatic pressure in an area underlain by permafrost and consisting of an outer layer of soil covering a core of solid ice. Pingos range from 2 to 50 meters in height.
a conical-shaped mound of earth or gravel generally found in arctic regions, as much as 65 m high and 1000 m in diameter, presumably formed from frost action.
A relatively large mound raised by frost action above the permafrost level. Usually lasts more than one season.
A perennial frost mound consisting of a core of massive ice produced primarily by injection of water, and covered with soil and vegetation.
A large conical mound that contains an ice core. This feature can be up to 60 to 70 meters in height. Form in regions of permafrost. Common in the Mackenzie Delta region of Canada. Also see the related palsa.
A large frost mound of more than one year's duration. While this Eskimo term is used in several related senses, the above meaning is becoming increasingly accepted.
A pingo is a mound of earth-covered ice found in the Arctic, subarctic, and Antarctica that can reach up to 70 metres in height and up to 2 kilometres in diameter.