Term



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

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Definition: A large depression of the ground surface produced by thawing of a large area of very thick and exceedingly ice-rich permafrost.  NSIDCCryosphere 

A large depression of the ground surface produced by thawing of a large area of very thick and exceedingly ice-rich permafrost  IPAPermafrost 

A large depression of the ground surface produced by thawing of a large area of very thick and exceedingly ice-rich Permafrost. In the early stages of formation, a shallow (appx. 2 m) circular 'alas lake' forms in a steep-sided depression. Enlargement and ultimate drainage of a number of such lakes may leave low inter-alas plateaus.  TrombottoGeocryology 

 GCW 
Examples: