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aquifer
(redirected from Acquifer)

    Also found in: Wikipedia, Hutchinson 0.04 sec.
aquifer (ăk`wĭfər): see artesian well artesian well, deep drilled well through which water is forced upward under pressure. The water in an artesian well flows from an aquifer, which is a layer of very porous rock or sediment, usually sandstone, capable of holding and transmitting large quantities of
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aquifer

In hydrology, a rock layer or sequence that contains water and releases it in appreciable amounts. The rocks contain water-filled pores that, when connected, allow water to flow through their matrix. A confined aquifer is overlain by a rock layer that does not transmit water in any appreciable amount or that is impermeable. There probably are few truly confined aquifers. In an unconfined aquifer the upper surface (water table) is open to the atmosphere through permeable overlying material. An aquifer also may be called a water-bearing stratum, lens, or zone.
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He has explicitly ruled out dismantling the large West Bank settlements and the return of East Jerusalem, which means that Israel will take over nearly 10 percent of the West Bank, including the best agricultural land and the major water acquifers.
The Gaza settlements may go, but the occupation remains by Marshall, Rachelle / Washington Report on Middle East Affairs
) to drill uranium mines and operate processing plants at Church Rock and Crownpoint, New Mexico, east of Shiprock: This so-called leach mining will not involve sub-surface workers, but it is very water-intensive, and the Navajo worry it will pollute their acquifer.
Toxic targets: polluters that dump on communities of color are ... by Motavalli, Jim / E
"Whether a drinking water acquifer has been contaminated has not been confirmed," she said.
LAX users begin cleanup of water contamination by Mullen, Liz / Los Angeles Business Journal
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