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

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Definition: The part of the glacier where ablation exceeds accumulation in magnitude, that is, where the cumulative mass balance relative to the start of the mass-balance year is negative. Unless qualified, for example by giving a date within the year, references to the ablation zone refer to its extent at the end of the mass-balance year. The extent of the ablation zone can vary strongly from year to year.  IHPGlacierMassBalance 

Region in a glacier where there is a surface net removal of snow and/or ice by melting, sublimation, and/or calving.  PhysicalGeography 

 GCW 
Examples: