Aquifer - Wikipedia
网页An 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.
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Aquifers and Groundwater | U.S. Geological Survey - USGS.gov
网页2019年10月16日 · 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 …
Aquifers - National Geographic Society
网页2023年10月19日 · An aquifer is a body of rock and/or sediment that holds groundwater. Groundwater is the word used to describe precipitation that has infiltrated the soil beyond the surface and collected in empty spaces underground. There are two general types of aquifers: confined and unconfined.
Groundwater - Wikipedia
网页Schematic of an aquifer showing confined zones, groundwater travel times, a spring and a well. An 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.
Aquifer | Types & Facts | Britannica
网页2024年8月8日 · 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.
Aquifers: Underground Stores of Freshwater - Live Science
网页2018年10月17日 · Aquifers are underground layers of rock that are saturated with water that can be brought to the surface through natural springs or by pumping.
Aquifer Definition & Meaning - Merriam-Webster
网页The meaning of AQUIFER is a water-bearing stratum of permeable rock, sand, or gravel. How to use aquifer in a sentence. Aquifer and Agriculture.
14.1: Groundwater and Aquifers - Geosciences LibreTexts
网页2024年4月24日 · 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: Where are They Found, Types of Aquifers and How Do …
网页Aquifers are bodies of well-saturated rocks that make way for the easy movement of water. So, when a saturated rock transmits its water to a well or spring, one can define it as an aquifer.
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