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15 Cards in this Set
- Front
- Back
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surface water |
fresh water on earth's land surface |
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river systems |
a flowing network of rivers and streams draining a river basin |
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watershed |
the area of land that is drained by by a water system |
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groundwater |
the water that is beneath the earths surface |
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aquifer |
an underground formation that contains groundwater |
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porosity |
the percentage of the total volume of a rock system sediment that consists of open spaces |
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permeability |
the ability of a rock or sediment to let fluids pass through its open its open spaces or pores |
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recharge zones |
an area in which water travels downward to become part of an aquifer |
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water pollutions |
contamination of water by waste matter or other material that is harmful to organism that are exposed to the water |
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point - source pollution |
pollution that comes from a specific site |
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nonpoint - pollution |
pollution that comes form many sources rather than a specific site; an example is pollution that reaches a body of water from streets and storm sewers |
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wastewater |
water that contains wastes from homes or industry |
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artificial eutrophication |
a process that increases the amount of nutrients in a body of water through humans activities, such as waste disposal and land drainage |
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thermal pollution |
a temperature increase in a body of water that is caused by human activity and that has a harmful effect on water quality and on the ability of that body of water to support life |
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biomagnification |
the accumulation of pollutants at successive levels of the food chain |
