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ILLUVIAL HORIZON [9 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-04-26

English

Subject field(s)
  • Soil Science
  • Geochemistry
DEF

A soil horizon in which material carried from an overlying layer has been precipitated from solution or deposited from suspension as a layer of accumulation.

French

Domaine(s)
  • Science du sol
  • Géochimie
DEF

Horizon du sol dans lequel s'accumulent, par précipitation, des matériaux dissous ou en suspension, provenant d'un horizon supérieur.

Spanish

Campo(s) temático(s)
  • Ciencia del suelo
  • Geoquímica
Save record 1

Record 2 2006-10-16

English

Subject field(s)
  • Soil Science
DEF

A group of zonal soils having an organic mat and a very thin organic-mineral layer overlying a gray, leached A2 horizon and a dark brown, illuvial B horizon enriched in iron oxyde, alumina, and organic matter.

French

Domaine(s)
  • Science du sol
DEF

Sol des régions tempérées froides, très acide, à profil comprenant des horizons A, B et C (Canada, Scandinavie, etc.).

CONT

Les podzosols sont très acides, présentent une texture souvent grossière avec des enracinements souvent limités [...] La réserve en eau est souvent assez faible [...] Par contre [ils] se réchauffent facilement et sont faciles à travailler.

OBS

podzol : mot d'origine russe.

Spanish

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

Suelo zonal [...] muy ácido y de perfil A B C.

OBS

Tipo de suelo común en las regiones de clima frío y húmedo (Canadá, Escandinavia, U.R.S.S. septentrional) o templado frío (vertiente atlántica de Europa, por ejemplo).

Save record 2

Record 3 2004-10-22

English

Subject field(s)
  • Soil Science
  • Geomorphology and Geomorphogeny
DEF

A diagnostic subsurface soil horizon characterized by an accumulation of clay. Its thickness and clay content of the overlying eluvial horizon.

DEF

A diagnostic illuvial subsurface horizon characterized by an accumulation of silicate clays.

French

Domaine(s)
  • Science du sol
  • Géomorphologie et géomorphogénie
DEF

[...] horizon caractérisé par l'accumulation d'argile.

CONT

Parmi les horizons de profondeur, les principaux sont: [...] l'horizon argillique : horizon textural d'accumulation d'argile; [...]

Spanish

Campo(s) temático(s)
  • Ciencia del suelo
  • Geomorfología y geomorfogénesis
Save record 3

Record 4 2004-01-05

English

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

Part of a soil profile below the A horizon; usually illuvial.

DEF

The soil layer between A horizon and C horizon.

French

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

Horizon majeur ou diagnostique, compris entre les horizons A et C, dans lequel la structure de la roche n'est plus visible.

Spanish

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

Horizonte comprendido entre el A y el C, enriquecido por iluviación de elementos finos o amorfos.

Save record 4

Record 5 2002-09-18

English

Subject field(s)
  • Soil Science
  • Geology
DEF

A stratum or horizon of accumulated stiff, compact, and relatively impervious clay.

OBS

It is not cemented, but it may interfere with water movement.

OBS

A term used in the United States for a dense, compact layer in the profile having a much higher clay content that the overlying material, from which it is separated by a sharply defined boundary. In the Canadian classification system, this pan is recognized as a clay-enriched illuvial B(Bt) horizon.

French

Domaine(s)
  • Science du sol
  • Géologie
DEF

Couche d'argile accumulée, compacte et relativement imperméable.

OBS

Elle n'est pas consolidée mais peut s'opposer au mouvement de l'eau.

Spanish

Save record 5

Record 6 2002-08-06

English

Subject field(s)
  • Soil Science
DEF

Said of a soil horizon characterized by an illuvial accumulation of clays.

French

Domaine(s)
  • Science du sol
DEF

Se dit d'un horizon caractérisé par l'accumulation d'argile.

Spanish

Save record 6

Record 7 2002-07-24

English

Subject field(s)
  • Soil Science
DEF

A sequence of an eluvial horizon and its related illuvial horizon in a soil.

CONT

Sometimes a soil can have two sequa.

Key term(s)
  • sequa

French

Domaine(s)
  • Science du sol
DEF

Dans un sol, séquence d'un horizon éluvial et de son horizon illuvial correspondant.

CONT

Le terme «séquum» désigne la succession d'un horizon éluvial et d'un horizon illuvial s'y rattachant.

Spanish

Save record 7

Record 8 1980-06-05

English

Subject field(s)
  • Soil Science
OBS

Two sequa in one soil; that is, two sequences of an eluvial horizon and its related illuvial horizon.

French

Domaine(s)
  • Science du sol
OBS

Deux sequums présents dans un même sol, c'est-à-dire deux horizons éluviaux et leurs horizons illuviaux correspondants.

Spanish

Save record 8

Record 9 1975-03-11

English

Subject field(s)
  • Soil Science
DEF

A subsurface diagnostic horizon containing an illuvial accumulation of free sesquioxides of iron and aluminum and of organic matter.

French

Domaine(s)
  • Science du sol
OBS

Constitué par une accumulation illuviale de sesquioxydes accompagnés de quantités appréciables de C organique, une accumulation de fer libre accompagné d'argile, une accumulation de C organique.

Spanish

Save record 9

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