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

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Definition: From the point of view of the submariner, thin places in the ice canopy, usually less than 1 meter (3.3 feet) thick and appearing from below as relatively light, translucent patches in dark surroundings; the under-surface of an ice skylight is normally flat; ice skylights are called large if big enough for a submarine to attempt to surface through them (120 meters, 131 yards), or small if not.  NSIDCCryosphere 

From the point of view of the submariner, thin places in the ice canopy, usually less than 1 m thick and appearing from below as relatively light translucent patches in dark surroundings. The under-surface of an ice skylight is normally flat. Ice skylights are called large if big enough for a submarine to attempt to surface through them (120 m) or small if not.  SPRI 

 GCW 
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