groundwater balance

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• Groundwater model — Groundwater models are computer models of groundwater flow systems, and are used by hydrogeologists. Groundwater models are used to simulate and predict aquifer conditions.CharacteristicsAn unambiguous definition of groundwater model is difficult …   Wikipedia

• Groundwater discharge — is the volumetric flow rate of groundwater through an aquifer. Groundwater discharge, Q Total groundwater discharge, as reported through a specified area, is similarly expressed as::Q = frac{dh}{dl}KAwhere: Q is the total groundwater discharge (… …   Wikipedia

• 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

• Groundwater energy balance — The groundwater energy balance is the energy balance of a groundwater body in terms of incoming hydraulic energy associated with groundwater inflow into the body, energy associated with the outflow, energy conversion into heat due to friction of… …   Wikipedia

• Groundwater recharge — Water balance Groundwater recharge or deep drainage or deep percolation is a hydrologic process where water moves downward from surface water to groundwater. This process usually occurs in the vadose zone below plant roots and is often expressed… …   Wikipedia

• Energy balance — has the following meanings in several fields:* In physics, energy balance is a systematic presentation of energy flows and transformations in a system. Theoretical basis for an energy balance is the first law of thermodynamics according to which… …   Wikipedia

• Water balance — In hydrology, a water balance equation can be used to describe the flow of water in and out of a system. A system can be one of several hydrological domains, such as a column of soil or a drainage basin.[citation needed] Water balance can also… …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• БАЛАНС ПОДЗЕМНЫХ ВОД — соотношение количества воды, пополнившей запасы подземных вод, рассматриваемого водоносного горизонта с количеством воды, израсходованной из этих запасов за отчётный период (Болгарский язык; Български) баланс на подземни води (Чешский язык;… …   Строительный словарь

• баланс подземных вод — Соотношение количества воды, пополнившей запасы подземных вод, рассматриваемого водоносного горизонта с количеством воды, израсходованной из этих запасов за отчётный период [Терминологический словарь по строительству на 12 языках (ВНИИИС Госстроя …   Справочник технического переводчика

• 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