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13 Cards in this Set
- Front
- Back
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Define: groundwater |
subsurface water contained in soil and bedrock |
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What does groundwater fill? |
small cracks in soil and bedrock |
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Define: Porosity |
how much of a rock is open space |
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____ and ____ have high porosity |
sand and gravel |
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Define: Permeability
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the ability of rock/soil to transmit water |
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Rocks with high ____ have high _____ |
porosity, permeability |
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Define: zone of saturation |
subsurface zone below the water table in which the soil/bedrock are totally saturated |
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Define: water table |
the top of the zone of saturation |
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Define: zone of aeration |
the unsaturated zone that lies above the water table |
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Define: Aquifer |
body of rock/soil that can yield economically significant quantities of water |
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Define: Spring |
where the water table intersects the land surface and water flows onto the surface |
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Define: Perched Water Table |
the top of a layer of impermeable rock/clay that lies above the main water table |
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Define: Artesian Aquifer |
an inclined aquifer bounded top and bottom by impermeable rock |
