Chapter 11 key terms Flashcards
Surface Water
fresh water on Earth’s land surface
River System
A flowing network of water
Watershed
area of land that is drained by a river
Groundwater
water found beneath Earth’s surface in the spaces in sediment and rock formations
Porosity
Percentage of total volume of rock that has spaces
Permeability
Ability of rock or soil to allow water to flow through it
Recharge zone
An area of earths surface from which water percolate down
Potable
safe to drink
Pathogens
organisms that cause illness or disease
Dams
built across rivers to control the rivers flow
Reservoir
artificial lake
Desalination
process of removing salt from salt water
Water pollution
introduction of chemical, physical, or biological agents into water
Point source pollution
Pollution discharged from a single source
Non point source sollution
runoff pollution
Wastewater
water that contains waste from home or industry
Artificial eutrophication
ignorant plants enter the water from sewage
thermal pollution
when powe plants and other industries use water in their cooling systems and then discharrge the warm water into a lake or river
Biomagnification
The build up of organisms eating another.
