Reservoirs on Earth
% of water on Earth that is fresh
3%
percent of water on Earth that is located in the ocean
97%
Type of reservoir the Mississippi River is
A fresh water surface reservoir
Groundwater
Makes 30.1% of the freshwater on earth
Liquid surface water
Makes up .3% of the fresh water on Earth
Icecaps and glaciers
Makes up 68.7% of the fresh water on earth
Natural Lakes (Surface or Underground; Source for humans?)
Surface; No
Ice (Surface or Underground?; Source for humans?)
Surface; Not a source
Artificial Lakes (Surface or Underground; Source for humans?)
Surface; Yes
Rivers (Surface or Underground; Source for humans?)
Surface; Yes
Aquifer (Surface or Underground; Source for humans?)
Underground; Yes
Groundwater (Surface or Underground; Source for humans?)
Underground; Yes
reservoir
a place where water is stored
Pollutant
a substance that contaminates air, water, or soil
other places (atmosphere, clouds, living things)
make up .9% of the freshwater on Earth
Filtration
process by which pollutants are removed from air, water, or soil
Aeration
process by which the air is mixed with, or dissolved, in water.
fresh water
water that DOES NOT have significant amounts of salt dissolved in it.
salt water
water that has significant amounts of salt dissolved in it and is found mostly in the ocean.
salt water
water that is not suitable for drinking or growing crops