groundwater flow

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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

• groundwater flow —   the flow of water through the groundwater store …   Geography glossary

• 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 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 — Shipot, a common source of drinking water in a Ukrainian village. Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an… …   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

• Potential flow — streamlines around a NACA 0012 airfoil at 11° angle of attack, with upper and lower streamtubes identified. In fluid dynamics, potential flow describes the velocity field as the gradient of a scalar function: the velocity potential. As a result,… …   Wikipedia

• Two-phase flow — In fluid mechanics, two phase flow occurs in a system containing gas and liquid with a meniscus separating the two phases. Historically, probably the most commonly studied cases of two phase flow are in large scale power systems. Coal and gas… …   Wikipedia

• base flow —   that portion of river discharge derived from groundwater flow …   Geography glossary

• Arsenic contamination of groundwater — is a natural occurring high concentration of arsenic in deeper levels of groundwater, which became a high profile problem in recent years due to the use of deep tubewells for water supply in the Ganges Delta, causing serious arsenic poisoning to… …   Wikipedia