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Pingo scars

View on map:47.458009°N 114.111571°W

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The pingo scars are found in exposed sediment from Lake Missoula.

Description


Pingo

Pingos are intrapermafrost ice-cored hills, ranging in height from 3 to 70 m (10 to 230 ft) and 30 to 1,000 m (98 to 3,281 ft) in diameter. They are typically conical in shape and grow and persist only in permafrost environments, such as the Arctic and subarctic.[2] A pingo is a periglacial landform, which is defined as a non-glacial landform or process linked to colder climates.[3] It is estimated that there are more than 11,000 pingos on Earth.[4] The Tuktoyaktuk peninsula area has the greatest concentration of pingos in the world with a total of 1,350 pingos.[5] There are currently remarkably limited data on pingos.[5]

References

  • http://en.wikipedia.org/wiki/Pingo
  • https://www.google.com/maps/d/u/0/viewer?mid=14YY3J0HLMehpL22SVtE7LYReVC80PyxR&hl=en&ll=47.465500115351254%2C-114.11238506981816&z=15 
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