Upgrade to remove ads
Only $35.99/year

Earth's Water

Terms in this set (13)

97%
the percent of Earth's water that is salt water
3%
the percent of Earth's water that is fresh water (rivers, lakes, underground, ice-caps, and glaciers)
2%
the percent of Earth's water that is frozen (ice-caps and glaciers)
1%
the percent of Earth's water that is usable liquid form
70%
the percent of the Earth's surface that is covered with water
surface water
water that collects above the ground in rivers, lakes, streams, ponds, and wetlands
aquifer
a layer of rock underground that collects and stores water
groundwater
water located below Earth's surface that collects in aquifers
runoff
water from rain and melted snow that flows over the land and collects in bodies of water
glacier
is a huge sheet of ice that moves slowly on land
watershed
is an area of land that drains into rivers or lake-sometimes called drainage basins or river basins
irrigation
is the use of artificial methods to supply water to plants-mostly food crops and lawns (sprinkler systems)
salinity
total amount of dissolved salts in water (saltiness of water)
-1 kilogram of ocean water contains about 35 grams of salts
-35 parts per thousand
Recommended textbook explanations

Earth Science

1st EditionLutgens, Tarbuck
1,618 explanations

Holt Earth Science

1st EditionArthur T. DeGaetano, Jay M. Pasachoff, Mead A. Allison
2,271 explanations

Earth Science

14th EditionEdward J. Tarbuck
957 explanations

Glencoe Earth Science

1st EditionMcGraw-Hill Education
2,572 explanations