volumetric water content

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• 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

• volumetric moisture content —    The concentration of water in soil by volume [16] …   Lexicon of Cave and Karst Terminology

• Optimum water content for tillage — The optimum water content for tillage (OPT) is defined as the moisture content of soil at which tillage produces the largest number of small aggregates. Contents 1 Overview 2 Relationships between water content at field capacity (FC) and Plastic… …   Wikipedia

• Volumetric Imaging and Processing of Integrated Radar — Volumetric Imaging and Processing of Integrated Radar, known by the acronym VIPIR, is a type of post processing program applied to traditional radar systems and is distributed by Baron Weather Solutions Cite web… …   Wikipedia

• Water supply — is the process of self provision or provision by third parties of water of various qualities to different users. Irrigation is covered separately. Global access to waterIn 2004 about 3.5 billion people worldwide (54% of the global population) had …   Wikipedia

• Water supply and sanitation in the United Kingdom — Source: Metropolitan Consulting Group: VEWA Vergleich europaeischer Wasser und Abwasserpreise, 2006, p. 7 of the executive summary [http://www.bgw.de/files/pdf/0.1 resource 2006 7 14.pdf] Taking into account differences in subsidies and service… …   Wikipedia

• differential water capacity —    The absolute value of the rate of change of water content with soil water pressure. The water capacity at a given water content will depend on the particular desorption or adsorption curve employed.    Distinction should be made between… …   Lexicon of Cave and Karst Terminology

• Hysteresis — Not to be confused with Hysteria. Fig. 1. Electric displacement field D of a ferroelectric material as the electric field E is first decreased, then increased. The curves form a hysteresis loop. Hysteresis is the dependence of a system not… …   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

• Soil thermal properties — The thermal properties of soil are a component of soil physics that has found important uses in engineering, climatology and agriculture. These properties influence how energy is partitioned in the soil profile. While related to soil temperature …   Wikipedia

• Integrated Biosphere Simulator — IBIS 2 is the version 2 of the land surface model Integrated Biosphere Simulator (IBIS), which includes several major improvements and additions to the prototype model developed by Foley et al. [1996] . IBIS was designed to explicitly link land… …   Wikipedia