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ES 09.2 Groundwater

TermDefinition
Groundwater Water held underground in the soil or in pores and crevices in rock.
Porosity The amount of pore spaces.
Water Table The upper boundary.
Zone of Aeration Air in pores above.
Permeability The ability of a material to let water pass.
Aquifers Permeable sediments with large pores such a sand and gravel.
Aquicludes Barriers to groundwater flow such as silt, shale and clay.
Springs Any natural place where water flows from an aquifer to the earth's surface.
Hot Springs Greater than 31 degrees celsius found near igneoug activity and deep aquifers.
Geyser Explosive hot spring
Carbonic Acid A very weak acid formed in solution when carbon dioxide dissolves in water.
Calcite A white or colorless mineral consisting of calcium carbonate such as limestone, marble, and chalk.
Stalactites a tapering structure hanging like an icicle from the roof of a cave, formed of calcium salts deposited by dripping water.
Hard Water Has high amounts of Ca, Mg, Fe; can clog pipes.
Well A hole in the ground to reach an aquifer.
Ordinary Well Reacher below water table, level recharged by precipitation.
Artesian Well Drilled into aquifer under pressure, water spurts up like a fountain.
Threats to Water Supply Overuse, pollution, chemicals, salt, and radon.
Cone of Depression Formed by overpumping.
Recharge The restocking of an aquifer.
Created by: AustinPate
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