TERMIUM Plus®

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

DRAW-DOWN CONE [1 record]

Record 1 2010-03-19

English

Subject field(s)
  • Hydrology and Hydrography
DEF

Depression, in the shape of a cone with convex upward limits, of the piezometric groundwater surface which defines the area of influence of a well.

Key term(s)
  • depression cone
  • exhaustion cone
  • draw-down cone
  • draw down cone

French

Domaine(s)
  • Hydrologie et hydrographie
DEF

Dépression, en forme de cône ouvert vers le haut, de la surface piézométrique d'une nappe souterraine, qui définit le domaine d'influence d'un puits.

CONT

La pompage dans un aquifère, dont la surface piézométrique initiale est supposée horizontale, crée une dépression en forme d'entonnoir. Son axe coïncide avec celui de l'ouvrage. C'est le cône de dépression.

Spanish

Campo(s) temático(s)
  • Hidrología e hidrografía
DEF

Depresión, en forma de cono con límites convexos hacia arriba, de la superficie piezométrica de aguas subterráneas, que define el área de influencia de un pozo.

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