- unsaturated hydraulic conductivity
- коэффициент водопроводимости почвы в ненасыщенном состоянии
Англо-русский словарь промышленной и научной лексики. 2014.
unsaturated hydraulic conductivity
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Hydraulic conductivity — Hydraulic conductivity, symbolically represented as K, is a property of vascular plants, soil or rock, that describes the ease with which water can move through pore spaces or fractures. It depends on the intrinsic permeability of the material… … Wikipedia
hydraulic conductivity, effective — The rate of flow of water through a porous medium that contains more than one fluid, such as water and air in the unsaturated zone, and which should be specified in terms of both the fluid type and content and the existing pressure … Lexicon of Cave and Karst Terminology
Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… … Wikipedia
Aquifer — Typical aquifer cross section An aquifer is a wet underground layer of water bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be usefully extracted using a water well. The study of water flow… … Wikipedia
Hydrogeology — ( hydro meaning water, and geology meaning the study of the Earth) is the area of geology that deals with the distribution and movement of groundwater in the soil and rocks of the Earth s crust, (commonly in aquifers). The term geohydrology is… … Wikipedia
hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… … Universalium
hydrologic sciences — Introduction the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology. In its widest sense hydrology encompasses the study of the occurrence, the… … Universalium
SahysMod — is a computer program for the prediction of the salinity of soil moisture, groundwater and drainage water, the depth of the water table, and the drain discharge in irrigated agricultural lands, using different hydrogeologic (aquifer) conditions,… … Wikipedia
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Groundwater flow equation — Used in hydrogeology, the groundwater flow equation is the mathematical relationship which is used to describe the flow of groundwater through an aquifer. The transient flow of groundwater is described by a form of the diffusion equation, similar … 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
