total soil water potential

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• total soil-water potential —    The sum of the energy related components of a soil water system; i.e., the sum of the gravitational, matric, and osmotic components [22] …   Lexicon of Cave and Karst Terminology

• Water potential — is the potential energy of water per unit volume relative to pure water in reference conditions. Water potential quantifies the tendency of water to move from one area to another due to osmosis, gravity, mechanical pressure, or matrix effects… …   Wikipedia

• 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

• 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 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

• Total organic carbon — (TOC) is the amount of carbon bound in an organic compound and is often used as a non specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment. A typical analysis for TOC measures both the total carbon present… …   Wikipedia

• Soil conservation — is set of management strategies for prevention of soil being eroded from the earth’s surface or becoming chemically altered by overuse, salinization, acidification, or other chemical soil contamination. The principal approaches these strategies… …   Wikipedia

• Soil liquefaction — describes the behavior of loose saturated unconsolidated soils, i.e. loose sands, which go from a solid state to have the consistency of a heavy liquid, or reach a liquefied state as a consequence of increasing porewater pressures, and thus… …   Wikipedia

• Soil survey — Soil survey, or soil mapping, is the process of classifying soil types and other soil properties in a given area and geo encoding such information. It applies the principles of soil science, and draws heavily from geomorphology, theories of soil… …   Wikipedia

• Water supply and sanitation in the European Union — still is under the responsibility of each member state. Nevertheless, the European Union established some policies which impact the National water strategies tremendously. However, WSS evolved in every Member State independently until the… …   Wikipedia

• Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… …   Wikipedia