TERMIUM Plus®

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

frost pocket [1 record]

Record 1 2010-06-28

English

Subject field(s)
  • Physical Geography (General)
  • Climatology
DEF

A topographic depression susceptible to frosts while the surrounding hill slopes may remain frost-free.

OBS

The cold dense air, which has lost heat by terrestrial radiation at night, drains downslope by gravity as a katabatic flow before accumulating in the hollow, wherein the temperature may fall below freezing-point.

French

Domaine(s)
  • Géographie physique (Généralités)
  • Climatologie
DEF

Endroit, par exemple une cuvette ou une vallée étroite, où le gel est plus fréquent que dans le voisinage immédiat en raison de la tendance de l'air froid à s'y écouler à partir de terrains plus élevés.

Spanish

Campo(s) temático(s)
  • Geografía física (Generalidades)
  • Climatología
DEF

Lugar, por lo común una hondonada o un valle estrecho, en que las heladas son más frecuentes que en las regiones vecinas, sobre todo porque el aire frío tiende a descender de terrenos más altos.

OBS

bolsa de heladas; hoya de heladas: Términos utilizados por la Asociación Mundial de la Carretera.

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