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


Definition: Nivation is a collective name for the different processes that occur under a Snow Patch. The primary processes are Mass Wasting and the freeze and thaw cycle, in which fallen Snow gets compacted into Firn. Nivation includes various sub-processes related to Snow Patches which may be immobile or semi-permanent. These sub-processes include erosion, weathering, and meltwater flow from beneath the Snow Patch.  TrombottoGeocryology 

Process where snow patches initiate erosion through physical weathering, meltwater flow, and gelifluction.  PhysicalGeography