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21 Cards in this Set
- Front
- Back
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Surface Water |
fresh water or Earths land surface |
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River System |
streams and rivers move across land, they form a network |
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Watershed |
area of land drained by a river |
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Groundwater |
water stored beneath the Earths surface in sediment and rock |
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Aquifer |
underground formation that contains ground water |
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Porosity |
amount of space between the particles that make up a rock |
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Permeability |
the ability of rock or soil to allow water to flow through it |
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Recharge Zone |
area of earths surface where water percolates down the aquifer |
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Potable |
safe to drink |
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Pathogens |
organisms that cause illness or disease |
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Irrigation |
method of providing plants with water from sources other then direct precipitation |
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Dam |
a structure built across a river to control the river flow |
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Reservoir |
artificial lake that is formed behind dam |
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Desalination |
the process of removing salt from salt water |
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Water Pollution |
introduction of chemical, physical, biological agents into water that degrade water quality and adversely affect the organisms that depend on water |
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Point-source pollution |
a pollution discharged from a single source |
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NonPoint-source pollution |
comes from many different sources that are often difficult to identify |
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Wastewater |
water that contains waste from homes or industry |
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Artificial eutrophication |
The natural process of eutrophication is accelerated when inorganic plant nutrients, such as phosphorus and nitrogen, enter the water from sewage and fertilizer runoff. |
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Thermal Pollution |
when the temperature of a body of water increases |
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Biomagnification |
the accumulation of pollutants at successive levels of the food chain |
