horizon of eluviation

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• éluviation — ● éluviation nom féminin (latin eluvies, eau qui coule) Dans le sol, phénomène d entraînement généralement vertical, mais aussi oblique, de matières à l état soluble ou de suspensions. éluviation [elyvjɑsjɔ̃] n. f. ÉTYM. Mil. XXe; de eluvium, d… …   Encyclopédie Universelle

• eluviation — /əˈluvieɪʃən/ (say uh loohveeayshuhn), /i / (say ee ) noun the removal of material in solution or suspension from the uppermost horizon of a soil to a lower horizon by the downward percolation of water. {eluvi(um) + ation} …  

• Éluviation — Illuviation L illuviation (ou éluvation) est l accumulation progressive dans une couche du sol (ou horizon) de diverses substances déposées par l infiltration des eaux (percolation). Habituellement, l argile, le fer, l humus se lessivent et… …   Wikipédia en Français

• eluviation —   removal of material from a soil horizon, usually downward …   Geography glossary

• Soil horizon — Soil samples illustrating horizons (subsoil on right) A soil horizon is a specific layer in the land area that is parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath …   Wikipedia

• Podzol — Podsol, Spodosol a stagnopodzol in upland Wales Used in: WRB, USDA soil taxonomy, others …   Wikipedia

• Podsol — In soil science, Podsol (also spelled Podzol, or known as Spodosol) are the typical soils of coniferous, or Boreal forests. They are also the typical soils of eucalypt forests and heathlands in southern Australia. The name is Russian for under… …   Wikipedia

• podzolic soil — ▪ pedology podzolic also spelled  Podsolic,  also called  Lessivé Soil,         soil usually forming in a broadleaf forest and characterized by moderate leaching, which produces an accumulation of clay and, to some degree, iron that have been… …   Universalium

• soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   Universalium

• PÉDOLOGIE — La pédologie est définie essentiellement par son objet: c’est la science des sols, de même que la géologie est la science des roches constituant la croûte terrestre et la biologie la science des êtres vivants. C’est l’étude des propriétés et du… …   Encyclopédie Universelle

• Eluvium — In geology, eluvium or eluvial deposits are those geological deposits and soils that are derived by in situ weathering or weathering plus gravitational movement or accumulation. The process of removal of materials from geological or soil horizons …   Wikipedia