ground water, unconfined

   Water in an aquifer that has a water table. Synonymous with phreatic ground water [22].

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

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  • ground water, perched —    Unconfined ground water separated from an underlying body of ground water by an unsaturated zone. Its water table is a perched water table. Perched ground water is held up by a perching bed whose permeability is so low that water percolating… …   Lexicon of Cave and Karst Terminology

  • ground-water table —    The surface between the zone of saturation and the zone of aeration. Also, the surface of an unconfined aquifer [6].    Synonym: water table …   Lexicon of Cave and Karst Terminology

  • unconfined water —    Ground water vertically in direct contact with the atmosphere [16] …   Lexicon of Cave and Karst Terminology

  • unconfined flow —    Ground water flow displaying a free surface [16] …   Lexicon of Cave and Karst Terminology

  • Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… …   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

  • perched water table —    Unconfined ground water separated from an underlying body of ground water by unsaturated soil or rock. It may be either temporary or permanent …   Lexicon of Cave and Karst Terminology

  • 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

  • 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

  • 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

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