confined aquifer


confined aquifer
   1. An aquifer bounded above and below by confining units of distinctly lower permeability than that of the aquifer itself.
   2. An aquifer containing confined ground water. Generally, a confined aquifer is subject to pressure greater than atmospheric [6].

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

Look at other dictionaries:

  • confined aquifer — /kənfaɪnd ˈækwəfə/ (say kuhnfuynd akwuhfuh) noun an aquifer in which water is confined under pressure by overlying and underlying impermeable strata …   Australian English dictionary

  • 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

  • aquifer — /ak weuh feuhr/, n. any geological formation containing or conducting ground water, esp. one that supplies the water for wells, springs, etc. [1900 05; prob. < F aquifère (adj.); see AQUI , FER] * * * In hydrology, a rock layer or sequence that… …   Universalium

  • Aquifer test — An aquifer test (or a pumping test) is conducted to evaluate an aquifer by stimulating the aquifer through constant pumping, and observing the aquifer s response (drawdown) in observation wells. Aquifer testing is a common tool that… …   Wikipedia

  • aquifer, artesian —    A confined aquifer where the potentiometric surface rises above the top of the aquifer bed [16] …   Lexicon of Cave and Karst Terminology

  • aquifer — a water bearing geological formation. Springs and wells depend on aquifers for water. Described as artesian (confined) or water table (unconfined). May contain cave fishes …   Dictionary of ichthyology

  • confined —    A modifier which describes a condition in which the potentiometric surface is above the top of the aquifer [22].    Synonymous with artesian …   Lexicon of Cave and Karst Terminology

  • Artesian aquifer — See Great Artesian Basin for the water source in Australia. An artesian aquifer is a confined aquifer containing groundwater that will flow upwards through a well without the need for pumping. Water may even spurt out of the ground if the natural …   Wikipedia

  • artesian aquifer —    Synonymous with confined aquifer. See aquifer, artesian …   Lexicon of Cave and Karst Terminology

  • ground water, confined —    Ground water under pressure significantly greater than atmospheric and whose upper limit is the bottom of a confining unit [22].    See also confined; confining unit; confined aquifer …   Lexicon of Cave and Karst Terminology