Aquifer

An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be extracted using a water well. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology. Related terms include aquitard, which is a bed of low permeability along an aquifer, and aquiclude (or aquifuge), which is a solid, impermeable area underlying or overlying an aquifer. If the impermeable area overlies the aquifer pressure could cause it to become a confined aquifer.

Read more about Aquifer:  Aquifer Depth, Classification, Groundwater in Rock Formations, Human Dependence On Groundwater, Subsidence, Saltwater Intrusion, Salination, Examples of Aquifers

Other articles related to "aquifer, aquifers":

Examples of Aquifers
... Artesian Basin situated in Australia is arguably the largest groundwater aquifer in the world (over 1.7 million km²) ... The Guarani Aquifer with an area of 1.2 million km² is shared by Brazil, Argentina, Paraguay and Uruguay ... Aquifer depletion is a problem in some areas, and is especially critical in northern Africa see the Great Manmade River project of Libya for an example ...
Manette Peninsula - Present Features - Freshwater Features
... water is groundwater pumped from a deep aquifer, part of the Puget-Willamette Trough regional aquifer system ... Above the drinking water aquifer, a shallow water table produces numerous springs and seeps at surface level ...
South Maury Island Environmental Issues - Gravel Mining On Maury Island - Water Supply
... The aquifer on South Maury Island relies on rainwater to sustain it ... According to the EPA, the aquifer supplies 71% of the drinking water for island residents, making it the primary source of drinking water on the island, and making contamination of the ... alternative source of drinking water could replace the aquifer system ...
Aquifers In The United States
... Aquifers in the United States An example of a significant and sustainable carbonate aquifer is the Edwards Aquifer in central Texas ... This carbonate aquifer has historically been providing high quality water for nearly 2 million people, and even today, is completely full because of tremendous recharge from a number of area streams ...
City Of Memphis - Geography - Aquifer
... County is located over four natural aquifers, one of which is recognized as the "Memphis sand aquifer" or simply as the "Memphis aquifer" ...