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pingo
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pingo

Landscape feature of tundra terrain consisting of a hemispherical mound about 30 m/100 ft high, covered with soil that is cracked at the top. The core consists of ice, probably formed from the water of a former lake. The lake that forms when such a feature melts after an ice age is also called a pingo.

Pingos at the Mackenzie River delta in northern Canada reach heights of up to 50 m/165 ft.



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The geomorphology of the Tuktoyaktuk Peninsula is dominated by periglacial processes and is host to the greatest concentration of pingos (ice-cored hills) in the world (Fig.
Terrestrial analogues to mars and the moon: Canada's role by Bamsey, Matthew / Geoscience Canada
Pingos are essentially giant frost heaves made of tundra and ice -- hills form along the otherwise flat tundra when fresh groundwater is pushed up as it freezes in the winter.
Floating the Arctic tundra; Kayaking waterways in Canada's Northwest ... by The Seattle Times (Seattle, WA)
like ringos (religious), gringos (government-related), bringos (business-related) and pingos (public-interest).
The big charity bonanza: big international non-governmental ... by Ransom, David / New Internationalist
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