Ch. 11 Key Terms Flashcards
surface water
fresh water on Earth’s land surface
river system
streams and rivers which move across the land
watershed
area of land that is drained by a river
groundwater
water that is found beneath earth’s surface
aquifer
underground formation that contains groundwater
porosity
percentage of total volume of a rock that has spaces
permeability
ability for rocks/sediment to allow water to flow through it
recharge zone
area of Earth’s surface from which water percolates down into an aquifer
potable
safe to drink water
pathogen
organisms that cause illness or disease
dam
built across rivers to control the flow
reservoir
artificial lake
desalination
process of removing salt from saltwater
water pollution
introduction to chemical, physical r biological agents into water
point-source pollution
pollution discharged from a single source
nonpoint-source pollution
runoff pollution, come from many different sources
wastewater
water that contains waste
artificial eutrophication
inorganic plant nutrients enter the water from sewage and fertilizer runoff
thermal pollution
power plants and other industries use water in their cooling systems.
biomagnification
organism stores the pesticide in its tissue and the concentration of the pesticide that is passed onto the next organism in the food chain increases.