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  2. Aquifer - Wikipedia

    en.wikipedia.org/wiki/Aquifer

    The classification of aquifers is as follows: Saturated versus unsaturated; aquifers versus aquitards; confined versus unconfined; isotropic versus anisotropic; porous, karst, or fractured; transboundary aquifer. Groundwater from aquifers can be sustainably harvested by humans through the use of qanats leading to a well. [1]

  3. Specific storage - Wikipedia

    en.wikipedia.org/wiki/Specific_storage

    For a confined aquifer or aquitard, storativity is the vertically integrated specific storage value. Specific storage is the volume of water released from one unit volume of the aquifer under one unit decline in head.

  4. Groundwater - Wikipedia

    en.wikipedia.org/wiki/Groundwater

    This is an accepted version of this page This is the latest accepted revision, reviewed on 31 October 2024. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in ...

  5. Hydrogeology - Wikipedia

    en.wikipedia.org/wiki/Hydrogeology

    The groundwater flow equation, in its most general form, describes the movement of groundwater in a porous medium (aquifers and aquitards). It is known in mathematics as the diffusion equation, and has many analogs in other fields. Many solutions for groundwater flow problems were borrowed or adapted from existing heat transfer solutions.

  6. Artesian well - Wikipedia

    en.wikipedia.org/wiki/Artesian_well

    Geological strata giving rise to an artesian well Schematic of an artesian well U.S. Navy Seabees tapping an artesian well in Helmand Province, Afghanistan. An artesian well is a well that brings groundwater to the surface without pumping because it is under pressure within a body of rock and/or sediment known as an aquifer. [1]

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  8. Well - Wikipedia

    en.wikipedia.org/wiki/Well

    Deep or confined wells are sunk through an impermeable stratum into an aquifer that is sandwiched between two impermeable strata (aquitards or aquicludes). The majority of deep aquifers are classified as artesian because the hydraulic head in a confined well is higher than the level of the top of the aquifer.

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    If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!