water saturation
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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
Saturation diving — is a diving technique that allows divers to remain at great depth for long periods of time.cite book |title=US Navy Diving Manual, 6th revision |year=2006 |publisher=US Naval Sea Systems Command |location=United States… … Wikipedia
Saturation — or saturated generally means thoroughly full , while unsaturated means less than full. These terms may be related to: * Dew point, which is a temperature that occurs when atmospheric humidity reaches 100% and the air can hold no more moisture *… … Wikipedia
Saturation current — is a term used to describe a limit to the amount of current that can flow in an electronic circuit or device. As the voltage applied to a circuit is increased, the current flow will increase proportionately until the saturation current is… … Wikipedia
Saturation vapor density — (SVD) is a concept closely tied with saturation vapor pressure. It is useful for getting an exact quantity of water vapor in the air from a relative humidity (RH). Given an RH percentage, the density of water in the air is given by RH * SVD =… … Wikipedia
Water retention curve — is the relationship between the water content, θ, and the soil water potential, ψ. This curve is characteristic for different types of soil, and is also called the soil moisture characteristic.It is used to predict the soil water storage, water… … Wikipedia
Water quality modelling — involves the prediction of water pollution using mathematical simulation techniques. A typical water quality model consists of a collection of formulations representing physical mechanisms that determine position and momentum of pollutants in a… … Wikipedia
Water table — The water table is the level at which the ground water pressure is equal to atmospheric pressure. It may be conveniently visualized as the surface of the ground water in a given vicinity. It usually coincides with the phreatic surface , but can… … Wikipedia
water table — 1. The top surface of a body of slowly moving ground water that fills the pore spaces within a rock mass. Above it lies the freely draining vadose zone, and below it lies the permanently saturated phreas. In uniform aquifers, such as sandstone … Lexicon of Cave and Karst Terminology
Saturation (chemistry) — In chemistry, saturation (from the Latin word saturare, meaning to fill[1]) has six different meanings, all based on reaching a maximum capacity In physical chemistry, saturation is the point at which a solution of a substance can dissolve no… … Wikipedia
water table — 1. the planar, underground surface beneath which earth materials, as soil or rock, are saturated with water. 2. Archit. a projecting stringcourse or similar structural member placed so as to divert rain water from a building. Also, watertable.… … Universalium
