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depth layer in soil

См. также в других словарях:

  • 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

  • Soil mechanics — is a discipline that applies principles of engineering mechanics, e.g. kinematics, dynamics, fluid mechanics, and mechanics of material, to predict the mechanical behavior of soils. Together with Rock mechanics, it is the basis for solving many… …   Wikipedia

  • Layer — may refer to: * A layer of dieposits found on archaeological excavation isolated as a single context in the stratigraphy of the site * A layer hen, a hen raised to produce eggs. * In abstraction, a layer is an abstract place conceived as having… …   Wikipedia

  • 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

  • Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …   Wikipedia

  • Active layer — In environments containing permafrost, the active layer is the top layer of soil that thaws during the summer and freezes again during the autumn. In all climates, whether they contain permafrost or not, the temperature in the lower levels of the …   Wikipedia

  • Thaw depth — In soil science, the thaw depth or thaw line is the level down to which the permafrost soil will normally thaw each summer in a given area. The layer of soil over the thaw depth is calles the active layer, while the soil below is called inactive… …   Wikipedia

  • Planetary boundary layer — Depiction of where the planetary boundary layer lies on a sunny day The planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL), is the lowest part of the atmosphere and its behavior is directly influenced by its… …   Wikipedia

  • San Joaquin (soil) — San Joaquin is an officially designated state insignia, the State Soil of the U.S. state of California.The California Central Valley has more than 500,000 acres (2,000 km²) of San Joaquin soils, named for the south end of that valley. This series …   Wikipedia

  • Canadian system of soil classification — The Canadian system of soil classification is more closely related to the American system than any other. They differ in several ways. The Canadian system is designed to cover only Canadian soils. The Canadian system dispenses with a sub order… …   Wikipedia

  • Australian Soil Classification — The Australian Soil Classification is the system used to describe and group soils in Australia. The system comprises a number of related documents produced by the Australian Collaborative Land Evaluation Program, a division of the CSIRO, and is… …   Wikipedia

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