________ is the largest source of freshwater in the world.
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Confined Aquifer
__________________- a(n) aquifer below the land that is saturated with water.
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Freshwater
________ is being diverted into many different purposes.
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Aquifers
Geologic feature that contains water in quantities sufficient to support a spring or well.
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Recharge Zone
The area above an aquifer that supplies water.
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Unconfined Aquifer
An aquifer where the upper water surface is at atmospheric pressure.
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Unsaturated Zone
The zone immediately below the land surface that is not totally saturated with water.
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Water Permeability
The ability of a material to allow passage through rocks with water
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Water Table
The level below that ground is saturated with water.
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Glaciers
Body of dense ice that only forms on land.
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Ice Sheets
Masses of glacial ice that are each greater than 20,000 square miles in area
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Ice Shelf
Thick floating platform of ice that forms when a glacier or ice sheet flows down to a coastline and onto the ocean surface
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Sea Ice
Frozen seawater that floats of the ocean surface, primarily found in the Northern hemisphere.
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Oceanic Circulation
Event where heat is transferred to the equator by ocean currents.
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Great Ocean Conveyor Belt
Constant motion of warm and cold water, with cold water going to the Antarctic while the warm water goes to the Pacific; Helps regulate the amount of sea ice in polar regions.
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