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Term: Palsa Class:  
 vernacular   (0%)
Created 6 June 2017
Last modified 6 June 2017
Contributed by GCW Glossary

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Definition: A peaty permafrost mound possessing a core of alternating layers of segregated ice and peat or mineral soil material.  NSIDCCryosphere 

A peaty permafrost mound possessing a core of alternating layers of segregated ice and peat or mineral soil material  IPAPermafrost 

A mound of peat that develops as the result of the formation of a number ice lenses beneath the ground surface. Typical size is 1 to 7 meters high, 10 to 30 meters wide, and 15 to 150 meters long. Found in the high latitudes. Similar to a pingo.  PhysicalGeography 

 GCW 
Examples: