Hydrosphere
All of the water found on, above, and under the Earth’s surface.
Stewardship
Humans should use the water in a way the pr
Fresh Water
Water that is not salty (saline).
Glacier
Mass of ice and snow that moves slowly over the Earth’s surface. (2.15% of global fresh water)
Groundwater
Water below the Earth’s surface. (.62% of global fresh water
Aquifer
Large stores of fresh water in soil and rock below the Earth’s surfac
Infiltration
Water on the ground enters and permeates through the soil.
Watersheds
Areas of land that drains into a stream, river, lake or other body of water
Estuaries
Body of water in which freshwater from the river meets and mixes with salt water from the ocean. (The ocean’s nurseries)
Ocean Basin
The part of Earth’s surface that is covered with ocean (salt) water.
Salinity
The amount of salt in a given amount of water. Measured in PPT (parts per thousand) River has .5 ppt and ocean water is between 32 and 37 ppt.
Pollutant
Any substance that has a negative effect on the ecosystem.
Runoff
Water that flows over the land to rivers, lakes and oceans.
Upwelling
The flow of cold nutrient-rich water from the bottom of the ocean to the surface waters.
Non-Point Pollution
Pollution without a single identifiable source.
Point Source Pollution
Pollution that does come from a single identifiable source.
