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

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  n2t.net/ark:/99152/h2190

Definition: A thin sheet of ice formed on the glacier surface by rapid refreezing of solar-heated snow or firn, usually at high elevations during spring.  NSIDCCryosphere 

A thin, highly reflective sheet of clear ice formed at the snow surface; formed in spring when subfreezing air temperatures combine with subsurface melting (due to penetration of solar energy into the snow).  AMSglossary 

 GCW 
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