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

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  n2t.net/ark:/99152/h3179

Definition: A layer of ground, now perennially frozen, lying immediately below the modern active layer; its thickness indicates the greater annual depth of thaw that occurred during a previous period.  NSIDCCryosphere 

A layer of ground, now perennially frozen, lying immediately below the modern active layer. Its thickness indicates the greater annual depth of thaw that occurred during a previous period  IPAPermafrost 

A layer of ground, now perennially frozen lying immediately below the modern Active Layer. Its thickness indicates the greater annual Depth of Thaw that occurred during a previous period.  TrombottoGeocryology 

 GCW 
Examples: