TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

GROUND-ICE WEDGE [1 record]

Record 1 2011-01-25

English

Subject field(s)
  • Glaciology
  • Geomorphology and Geomorphogeny
DEF

[A] tapering, vertically layered mass of ice, about a metre wide at the top and extending downward for some 3-7 m.

OBS

It results from contraction cracking of the ground during extreme cold, followed by water penetration from the active layer and subsequent freezing.

Key term(s)
  • ground ice wedge

French

Domaine(s)
  • Glaciologie
  • Géomorphologie et géomorphogénie
DEF

Amas de glace, généralement en forme de coin dont l'apex pointe vers le bas.

OBS

La glace est feuilletée ou litée dans le sens vertical et elle est généralement blanche.

OBS

fente de gel : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Campo(s) temático(s)
  • Glaciología
  • Geomorfología y geomorfogénesis
DEF

Capa de agua helada que, al tener una forma de cuña, rompe las rocas.

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