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Aquifer - Wikipedia
WEBAn aquifer is an underground layer of water -bearing material, consisting of permeable or fractured rock, or of unconsolidated materials (gravel, sand, or silt). Aquifers vary greatly in their characteristics. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology.
Aquifers - National Geographic Society
WEBOct 19, 2023 · An aquifer is a body of porous rock or sediment saturated with groundwater. Groundwater enters an aquifer as precipitation seeps through the soil. It can move through the aquifer and resurface through springs and wells.
Aquifers and Groundwater | U.S. Geological Survey - USGS.gov
WEBOct 16, 2019 · When a water-bearing rock readily transmits water to wells and springs, it is called an aquifer. Wells can be drilled into the aquifers and water can be pumped out. Precipitation eventually adds water (recharge) into the porous rock of the aquifer.
Aquifer | Types & Facts | Britannica
WEBAug 8, 2024 · Aquifer, in hydrology, rock layer that contains water and releases it in appreciable amounts. The rock contains water-filled pore spaces, and, when the spaces are connected, the water is able to flow through the matrix of the rock. Wells drilled into aquifers are important sources of fresh water.
Principal Aquifers of the United States | U.S. Geological Survey - USGS.gov
WEBA principal aquifer is defined as a regionally extensive aquifer or aquifer system that has the potential to be used as a source of potable (drinkable) water. For study or mapping purposes, aquifers are often combined into aquifer systems.
Water Tables and Aquifers - Education
WEBApr 26, 2024 · Aquifers. Water tables are useful tools for measuring aquifers, saturated areas beneath the water table. Aquifers are used to extract water for people, plants and every organism living on Earth's surface. Some water tables are dropping very quickly, as people drain aquifers for industry, agriculture, and private use.
Aquifers: Underground Stores of Freshwater - Live Science
WEBOct 17, 2018 · Aquifers are underground layers of rock that are saturated with water that can be brought to the surface through natural springs or by pumping.
14.1: Groundwater and Aquifers - Geosciences LibreTexts
WEBApr 24, 2024 · An aquifer is defined as a body of rock or unconsolidated sediment that has sufficient permeability to allow water to flow through it. Unconsolidated materials like gravel, sand, and even silt make relatively good aquifers, as do rocks like sandstone.
Aquifers and Aquitards » Geology Science
WEBApr 23, 2023 · Aquifers are porous and permeable geological formations that can hold and transmit significant amounts of water. They can be made up of a variety of materials, including sand, gravel, and fractured rock, and can occur at different depths below the ground surface.