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unsaturated soil

См. также в других словарях:

  • Soil physics — is the study of soil physical properties and processes. It is applied to management and prediction under natural and managed ecosystems. Soil physics deals with the dynamics of physical soil components and their phases as solids, liquids, and… …   Wikipedia

  • soil swelling —    The volume increase of soil due to swelling of unsaturated clay particles when in contact with water [16] …   Lexicon of Cave and Karst Terminology

  • soil moisture —    Subsurface liquid water in the unsaturated zone expressed as a fraction of the total porous medium volume occupied by water. It is less than or equal to the porosity [22] …   Lexicon of Cave and Karst Terminology

  • Fractal in soil mechanics — The fractal approach to soil mechanics is a new line of thought. There are several problems in soil mechanics which can be dealt with by applying a fractal approach. One of these problems is the determination of soil water characteristic curve… …   Wikipedia

  • Salinity control — relates to controlling the problem of soil salinity and reclaiming salinized agricultural land. The aim of soil salinity control is to prevent soil degradation by salinization and reclaim already salty (saline) soils. Soil reclamation is also… …   Wikipedia

  • SaltMod — is computer program for the prediction of the salinity of soil moisture, groundwater and drainage water, the depth of the watertable, and the drain discharge in irrigated agricultural lands, using different (geo)hydrologic conditions, varying… …   Wikipedia

  • Delwyn G. Fredlund — (* 1940 in Norquay, Saskatchewan) ist ein kanadischer Bauingenieur in der Geotechnik. Fredlund studierte Bauingenieurwesen an der University of Saskatchewan (Bachelor 1962) und an der University of Alberta, wo er 1964 seinen Master Abschluss in… …   Deutsch Wikipedia

  • Modified active gas sampling — (MAGS) is an environmental engineering assessment technique which rapidly detects unsaturated soil source areas impacted by volatile organic compounds. The technique was developed by HSA Engineers Scientists in Fort Myers, Florida in 2002, led by …   Wikipedia

  • Disc permeameter — The disc permeameter is a field instrument used for measuring water infiltration in the soil, which is characterized by in situ saturated and unsaturated soil hydraulic properties. It is mainly used to provide estimates of the hydraulic… …   Wikipedia

  • Миграция пестицидов в почве — Миграция и перераспределение пестицидов в почвенном профиле осуществляется за счет диффузии в жидкой и газовой фазах, капиллярного и гравитационного перемещения воды, поглощения и экссудации корневой системой растений. Миграция пестицидов в… …   Википедия

  • seepage —    1. The infiltration or percolation of water through rock or soil to or from the surface and usually restricted to the very slow movement of ground water.    2. The fluid discharged at a seep [22].    3. The amount of fluid discharged at a seep …   Lexicon of Cave and Karst Terminology

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