aquifer

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aquifer

(ăk`wĭfər): see artesian wellartesian 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 water.
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; water supplywater supply,
process or activity by which water is provided for some use, e.g., to a home, factory, or business. The term may also refer to the supply of water provided in this way.
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Aquifer

Any underground water-bearing rock formation or group of formations that supplies groundwater, wells, or springs.

Aquifer

 

a stratum or several strata of water-permeable rock, whose pores, cracks, or other cavities are filled with groundwater. Several aquifers hydraulically connected to each other form an aquifer complex.

aquifer

[′ak·wə·fər]
(geology)
A permeable body of rock capable of yielding quantities of groundwater to wells and springs.
(hydrology)
A subsurface zone that yields economically important amounts of water to wells.

aquifer

A water-bearing formation of gravel, permeable rock, or sand that is capable of providing water, in usable quantities, to springs or wells.

aquifer

a porous deposit of rock, such as a sandstone, containing water that can be used to supply wells
References in periodicals archive ?
But while there is no specific "Thou shalt not drain acquifers or burn up the last barrel of oil," our responsibility to God, the Creator and owner, is clear.
Trees improve water quality by slowing and filtering rain water and protecting acquifers and watersheds.
5 billion gallons), while groundwater acquifers retain up to 159 million cubic meters (42 billion gallons) of fresh water.
To conserve water, police were deployed to prevent people from illegally drawing water from underground acquifers, while a public campaign in Madrid urged residents to save water.
Water supply use is the issue in Arizona, where the Tucson-based Center for Biological Diversity filed a lawsuit that accuses state officials of mismanagement of Arizona water resources through long-term overuse that depleted underground acquifers and damaged rivers, streams, and other surface water resources.
Acquifers are of three main types: a) freshwater lenses (and aquifers that occur in low-lying, sandy coastal plains which are similar to lenses); b) perched aquifers, which occur within the volcanic islands at different levels (these are small and have limited yields); and c) basal (deep level) groundwater under the volcanic center of a high island, which is difficult to detect and very costly to exploit.
Not in very remote future, there would be a sandy beach in place of Indus delta, no mangroves, no marine fisheries, no Keti Bunder and Shah Bunder, no drinkable ground-water in southern Sindh due to the salinization of acquifers, and no agriculture below Kotri barrage.
In the California's Central Valley, where a majority of the fruits and vegetables consumed domestically are still produced, water is transported hundreds of miles or pumped hundreds of feet from deep acquifers to irrigate this arid region.
The idea is to come up with a list of lakes, rivers, oceans, underground acquifers, and wildlife which could be negatively affected by an oil or chemical pipeline spill.
Information from the herpetologists indicated that the biggest threat to the leopard frog is predation by introduced exotic species, such as bullfrogs, that live in acquifers and waters used by the frog.
83) For example, Oregon is considering applications to divert some 550 cfs from the mainstem Columbia for activities associated with expanding the heavily subsidized potato processing industry, an industry which has produced substantial ground and surface water pollution and widespread mining of acquifers.
While the environmental movement has grown enormously, forests still are disappearing, the planet's ozone layer continues to dissipate, "brown clouds" expand over urban places, and landfills continue to contaminate acquifers with serious chemical pollution.