TERMIUM Plus®

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

eluviation [1 record]

Record 1 2003-09-30

English

Subject field(s)
  • Soil Science
  • Geochemistry
  • Soil Mechanics (Engineering)
DEF

The transportation of soil material in suspension or in solution within the soil by the downward or lateral movement of water.

OBS

... horizons that have lost material through eluviation are referred to as "eluvial horizons" and those that have received material as "illuvial horizons." [Int. Commission on Irrigation and Drainage]

OBS

eluviation: [This] term refers especially but not exclusively to the movement of colloids, whereas the term "leaching" [q.v.] refers to the complete removal of soluble materials.

French

Domaine(s)
  • Science du sol
  • Géochimie
  • Mécanique des sols
DEF

Phénomène de migration verticale ou oblique de matières en suspension dans un sol, entraînant la formation d'un horizon appauvri.

Spanish

Campo(s) temático(s)
  • Ciencia del suelo
  • Geoquímica
  • Mecánica del suelo
DEF

Movimiento de sustancias del suelo, en solución o en suspensión, de una capa a otra en el interior del suelo, en los lugares donde hay un exceso de precipitación pluvial con relación a la evaporación. [ICID-Comité Español de Riegos y Drenajes, 1977]

OBS

[...] las capas que han perdido las sustancias por eluviación son llamadas" horizontes eluviales" y las que han recibido las sustancias son llamadas "horizontes iluviales". [ICID-Comité Español de Riegos y Drenajes, 1977]

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