Groundwater Terminology A- D
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each of the black spaces below before clicking
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| show | The zone immediately below the land surface where the pores contain both water and air, but are not totally saturated with water. Plant roots can capture the moisture passing through this zone, but it cannot provide water for wells.
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| Aquiclude | show 🗑
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| Aquifer | show 🗑
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| show | Use of a well or series of wells to inject surface water into an aquifer during wet weather or low demand periods for purposes of withdrawal and use during drought and/or high demand periods.
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| show | exist where the groundwater is bounded between layers of impermeable substances like clay or dense rock. When tapped by a well, water in confined aquifers is forced up, sometimes above the soil surface. This is how a flowing artesian well is formed.
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| Artificial recharge | show 🗑
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| show | Streamflow coming from groundwater seepage into a stream or river. Groundwater flows underground until the water table intersects the land surface and the flowing water becomes surface water in the form of springs, streams/rivers, lakes and wetlands.
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| show | Structural, nonstructural, and managerial techniques recognized to be the most effective and practical means to reduce surface water and groundwater contamination while still allowing the productive use of resources.
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| show | Mixed fresh and salt water.
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| show | Capillary water moves upward from the water table in the aeration zone by capillary action. This water can move slowly and in any direction. While most plants rely on water from precipitation in the unsaturated zone, their roots may tap into capillary h20
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| Collection site | show 🗑
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| show | The process in the hydrologic cycle by which a vapor becomes a liquid; the opposite of evaporation.
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| show | Pumping from a well in a water table aquifer lowers the water table near the well. This area is known as a cone of depression. The land area above a cone of depression is called the area of influence. Groundwater flows towards the cone of depression.
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| Confined aquifer | show 🗑
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| show | Geologic material with little or no permeability or hydraulic conductivity. Water does not pass through this layer or the rate of movement is extremely slow.
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| Conservation | show 🗑
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| show | Tightly bound geologic formation composed of sandstone, limestone, granite, or other rock.
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| show | Reducing the water supply (i.e., removing water from a river, lake or aquifer) without returning an equal amount. Examples include water intake by plants, humans, and other animals and the incorporation of water into industrial or food products.
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| show | Any substance that when added to water (or another substance) makes it impure and unfit for consumption or an intended use.
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| Darcy’s Law | show 🗑
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| Depletion | show 🗑
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| show | The movement of a substance from an area of high concentration to an area of low concentration.
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| show | An outflow of water from a stream, pipe, groundwater aquifer, or watershed; the opposite of recharge.
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| Discharge area | show 🗑
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| Drawdown | show 🗑
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| Drough | show 🗑
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