draw-down of water in aquifer

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• 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

• Body of water — [ River Gambia flowing through Niokolokoba National Park] A body of water is any significant accumulation of water, usually covering the Earth or another planet. The term body of water most often refers to large accumulations of water, such as… …   Wikipedia

• Lansing Board of Water & Light — The Lansing Board of Water and Light is a municipal utility that provides electricity and water to the residents of the Cities of Lansing and East Lansing, Michigan and the surrounding townships of Delta, Delhi, Meridian and DeWitt. The Lansing… …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Chad Basin — The Chad Basin, also known as the Lake Chad Basin, is a large lowland area in north central Africa. In all directions from the center of this area the elevation changes are gentle. The Chad Basin is an endorheic (closed) basin its water does not… …   Wikipedia

• Big Spring, Texas — Infobox Settlement official name = Big Spring, Texas, USA settlement type = City nickname = The Spring City imagesize = image caption = Big Spring s Municipal Auditorium and Statue of Liberty, with the old Settles Hotel in the background. mapsize …   Wikipedia

• Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …   Wikipedia

• mineral deposit — Introduction       aggregate of a mineral in an unusually high concentration.       About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …   Universalium

• Everglades National Park — IUCN Category Ib (Wilderness Area) …   Wikipedia

• Qanat — A qanat (from ar. قناة) or kareez (from fa. كاريز) is a water management system used to provide a reliable supply of water to human settlements or for irrigation in hot, arid and semi arid climates. The technology is known to have developed in… …   Wikipedia

• Draining and development of the Everglades — Satellite image of the northern Everglades with developed areas in 2001, including the Everglades Agricultural Area (in red), Water Conservation Areas 1, 2, and 3, a …   Wikipedia