confining bed


confining bed
   A body of impermeable or distinctly less permeable material stratigraphically adjacent to one or more aquifers [22].
   Synonymous with confining unit.

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

Look at other dictionaries:

  • confining bed — noun geology : a comparatively impervious stratum directly above or below one bearing water or petroleum …   Useful english dictionary

  • lower confining bed —    An impermeable bed underlying an aquifer [16] …   Lexicon of Cave and Karst Terminology

  • upper confining bed —    An impermeable bed overlying an aquifer [16] …   Lexicon of Cave and Karst Terminology

  • confining unit —    1. A hydrogeologic unit of impermeable or distinctly less permeable material bounding one or more aquifers and is a general term that replaces aquitard, aquifuge, aquiclude [22].    2. Means a body of impermeable or distinctly less permeable… …   Lexicon of Cave and Karst Terminology

  • bed, lower confining —    An impermeable bed underlying an aquifer [16] …   Lexicon of Cave and Karst Terminology

  • bed, upper confining —    Impermeable bed overlying an aquifer [16] …   Lexicon of Cave and Karst Terminology

  • aquitard —    A confining bed that retards but does not prevent the flow of water to or from an adjacent aquifer; a leaky confining bed. It does not readily yield water to wells or springs, but may serve as a storage unit for ground water [22]. See also… …   Lexicon of Cave and Karst Terminology

  • complete well penetration, fully penetrating —    1. The property of a well that penetrates an aquifer completely from the upper confining bed or water table to the lower confining bed [16].    2. A well that is completed over the whole thickness of the aquifer to allow radial production over …   Lexicon of Cave and Karst Terminology

  • ground water —    , phreatic water    1. The part of the subsurface water that is in the phreatic zone [10].    Its lower limits are the zone of rock flowage or the lowest fully confining bed; its upper limits are the uppermost fully confining bed or the water… …   Lexicon of Cave and Karst Terminology

  • Floridan Aquifer — The Floridan Aquifer is a portion of the principal artesian aquifer that extends into Florida [cite web url=http://aquat1.ifas.ufl.edu/guide/aquifers.html title=Florida aquifers Plant Management in Florida Waters publisher=aquat1.ifas.ufl.edu… …   Wikipedia


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