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

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Definition: A general term referring to several forms of slope failures or failure mechanisms commonly occuring in the Active Layer overlying Permafrost. Such failures are often triggered by loss of shear strength due to high pore water pressures which result because the underlying Permafrost is quasi-impermeable.  TrombottoGeocryology 

A general term referring to several forms of slope failures or failure mechanisms commonly occurring in the active layer overlying permafrost.  NSIDCCryosphere 

A general term referring to several forms of slope failures or failure mechanisms commonly occurring in the active layer overlying permafrost  IPAPermafrost 

 GCW 
Examples: