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

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Definition: Heavily crevassed area on a glacier where the descent is steep.  UKAntarcticTerms 

Part of a glacier with rapid flow and a chaotic crevassed surface; occurs where the glacier bed steepenes or narrows.  NSIDCCryosphere 

Part of a glacier where the ice flows over a bed with a very steep gradient, typically at a higher rate than both above and below. As a result the surface is fractured and heavily crevassed. In a river system, this would be a waterfall.  USGSGlaciers(ambiguous) 

A steep reach of a glacier where the ice becomes heavily crevassed, commonly when flowing over a bedrock step.  IHPGlacierMassBalance 

A steep, heavily crevassed, section of a glacier where it flows over a step in the bedrock.  Swisseduc 

That portion of a glacier where a sudden steepening of descent causes a chaotic breaking up of the ice.  AMSglossary 

A heavily crevassed area in a glacier at a region of steep descent.  SPRI 

Icefalls are somewhat analogous to waterfalls in rivers. The flow of the ice down a steep gradient often results in crevasses and seracs.  USGSGlaciers(ambiguous) 

 GCW 
Examples: