- 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 .
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 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  … 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 . 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 . See also confined; confining unit; confined aquifer … Lexicon of Cave and Karst Terminology