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DSST Env.Sci. Chp. 5

vocab. for DSST Env.Sci. from Environmental Science by Karen Arms

algal bloom excessive algae growth that forms large, floating mats
aquifer an underground rock formation that contains water
artificial eutrophication eutrophication that occurs because of the introduction of inorganic plant nutrients into a body of water through sewage and fertilizer runoff
biological magnification accumulation of increasingly large amounts of a toxin within the tissues of organisms at each successive trophic level
Clean Water Act act passed by U.S. Congress to restore and maintain the chemical, physical, and biological integrity of the nation’s waters
desalinization process in which salt is removed from salt water, as from the oceans, rendering the water fit for drinking and cooking
desertification deterioration of land to the point that it becomes desertlike
distillation process of heating a liquid and cooling and condensing the resultant vapor to separate substances and produce a more-refined liquid
fresh water water that contains little salt
groundwater water that seeps down through the soil and is stored underground
irrigation process of supplying water to an area by artificial means, such as ditches and sprinklers
Law of the Sea Treaty United Nations treaty that states that the laws of a coastal nation extend to 22 km (12 nautical mi.) from its coastline
nonpoint pollution pollution that comes from many sources rather than from a single specific site; an example is pollution that reaches a body of water from streets and storm sewers
pathogens disease-causing organisms, such as bacteria, viruses, and parasites
point pollution pollution discharged from a single source, such as from a factory or wastewater treatment plant
recharge zone area of land on the Earth’s surface from which groundwater originates
reservoir artificial lake used to store water, control drainage, and provide recreation
reverse osmosis desalinization process in which pressure is used to push water through a semipermeable membrane that will not permit salts to pass
sludge solid material left over alter wastewater treatment
surface water fresh water found above ground in lakes, ponds, rivers, and streams
thermal pollution addition of excessive amounts of heat to a body of water, such as in runoff from industrial cooling systems
wastewater treatment plant structure that filters out contaminants from wastewater
water pollution introduction of foreign substances into water that degrade its quality, limit its use, and affect organisms living in it or drinking it
watershed entire area of land that is drained by a river
Created by: pinetreeacademy
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