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15 Cards in this Set
- Front
- Back
surface water |
fresh water on Earth's land surface |
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river system |
streams and rivers moving across land |
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watershed |
area of land that is drained by a river |
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groundwater |
water beneath the Earth's surface in sediment and rock formations |
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aquifer |
underground formation that contains ground water |
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porosity |
percentage of the total volume of a rock that has spaces |
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permeability |
ability of rock or soil to allow water to flow through |
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recharge zone |
area of the Earth's surface from which water percolates down into an aquifer |
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water pollution |
the introduction of chemical, physical, or biological agents into water that degrade water quality and adversely affect the organisms that depend on the water |
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point-source pollution |
pollution discharged from a single source |
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nonpoint-source pullution |
many different sources that are often difficult to identify |
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wastewater |
water that contains waste form homes or industry |
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artificial eutrophication |
eutrophication caused by humans |
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thermal pollution |
when the temperature of a body f water, such as a lake or stream |
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biomagnification |
buildup of pollutants at higher levels of the food chain |
