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CRAQUELURE GEL [1 record]

Record 1 2011-02-08

English

Subject field(s)
  • Glaciology
DEF

A nearly vertical fracture developed by thermal contraction in frozen ground or in rock with appreciable ice content.

French

Domaine(s)
  • Glaciologie
CONT

Fente de gel. Le gel provoque la fissuration de la surface du sol, en raison du coefficient de dilatation élevé de la glace; si les températures sont suffisamment basses, des réseaux de fentes de rétraction peuvent se former, ressemblant à celles que l'on observe dans les mares asséchées. La profondeur des fentes peut atteindre plusieurs mètres et leur espacement est variable.

Spanish

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