TERMIUM Plus®

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

EFFECTIVE DRAINAGE POROSITY [1 record]

Record 1 1999-09-17

English

Subject field(s)
  • Hydrology and Hydrography
  • Geology
DEF

The property of a soil or rock containing interconnecting interstices expressed as a percentage of the bulk volume occupied by these spaces.

CONT

Effective, or drainable, porosity consists of pores that are well-connected by sufficiently large openings, generally greater than 0.1 micrometer in diameter.

Key term(s)
  • practical porosity
  • effective pore volume
  • usable porosity

French

Domaine(s)
  • Hydrologie et hydrographie
  • Géologie
DEF

Quantité d'eau gravitaire, libérable par écoulement, contenue dans un terrain aquifère (dans la zone de saturation), rapportée au volume total du terrain, exprimée en pourcentage.

DEF

Rapport du volume des vides intercommunicants d'un milieu poreux à son volume total; porosité permettant le mouvement d'un fluide à travers le milieu.

Key term(s)
  • porosité utile

Spanish

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

Cantidad de espacios porosos interconectados que permiten la transmisión de fluidos. Se expresa como la relación entre el volumen de intersticios interconectados y el volumen total del medio poroso, incluidos los huecos.

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