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aquifer bed

См. также в других словарях:

  • 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 — n. 1. an underground bed or layer yielding ground water for wells and springs etc.; as, the Oglala aquifer. The water contained in an aquifer may be of great age, and in such cases is sometimes called {fossil water}. [WordNet 1.5 +PJC] …   The Collaborative International Dictionary of English

  • 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

  • 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

  • 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

  • Surficial aquifer — [ Broward County, Florida] Surficial aquifers are shallow aquifers typically less than 50 feet (15m), but thicknesses of about 60 feet have been mapped. Composition Surficial aquifers system consists mostly of beds of unconsolidated sand, cavity… …   Wikipedia

  • 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

  • fossil water — aquifer aquifer n. 1. an underground bed or layer yielding ground water for wells and springs etc.; as, the Oglala aquifer. The water contained in an aquifer may be of great age, and in such cases is sometimes called {fossil water}. [WordNet 1.5… …   The Collaborative International Dictionary of English

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

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