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ch11 environ sci voc

QuestionAnswer
surface water all the bodies of fresh water, salt water, ice and snow that are found above the ground
river system A flowing network of rivers and streams draining a river basin
watershed the area of land that is drained by a water system
groundwater the water that is beneath the Earth's surface
aquifer a body of rock or sediment that stores groundwater and allows the flow of groundwater
porosity the percentage of the total volume of a rock or sediment that consists of open spaces
permeability the ability of a rock or sediment to let fluids pass through its open spaces or pores
recharge zone an area in which water travels downward to become part of an aquifer
potable suitable for drinking
pathogen a microorganism, another organisms, a virus, or a protein that causes disease; and infectious agent
dam a structure that is built across a river to control a river's flow
reservoir An artificial body of water that usually forms behind a dam
desalination a process of removing salt from ocean water
water pollution contamination of water by waste matter or other material that is harmful to organisms that are exposed to the water
point source pollution pollution that comes from a specific site
nonpoint source pollution pollution that comes from many sources rather than from a specific site
waste water water that contains wastes from homes or industry
artificial eutrophication a process that increases the amount of nutrients in a body of water through human activities, such as waste disposal and land drainage
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
biomagnification the accumulation of pollutants at successive levels of the food chain
Created by: dylan12378
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