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

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Definition: The vertical component, when it is directed downward, of the glacier-flow velocity vector at the glacier surface, at a point fixed in space. When the component is directed upward, it is called the emergence velocity. The submergence velocity is related through the continuity equation to the climatic-basal mass balance and the rate of thickness change. The component is typically upward in the ablation zone and downward in the accumulation zone.  IHPGlacierMassBalance 

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