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Water

Understanding the importance water in our environment.

TermDefinition
surface water fresh water on the earth's land surface
river system flowing network of water that move across land
watershed the area of land that is drained by a river
groudwater water stored beneath the Earth's surface in sediment and rock formations
aquifer a body of rock and sediment that contains groundwater and allows groundwater to flow
porostiy the amount of space between the particles that make up rock; the 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
recharge zone an area in which water travels downward to become part of an aquifer
potable water that is suitable for drinking
pathogen a virus, microorganism, or other substance that cause disease; an infectious agent
irrigation a method of providing plants with water from sources other than direct precipitation
dam a structure built across a river to control the river's flow
reservoir an artificial body of water that forms behind a dam
desalination the process of using removing salt from ocean water
water pollution introduction of chemical, physical, or biological agents into wate that degrade the water quality and adversely affect the organisms that depend on the water.
point-source pollution pollution that comes from a specific site
nonpoint-source pollutiion pollution that comes from many sources rather than from a single specific site
wastewater 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 activties
thermal pollution a temperature increase in a body of water that is caused by human activity and that has a harmful affect on the water quality and on the ability of the water to support life
biomagnification The accumulation of pollutants at successive levels of the food chain
Created by: hayesbiology
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