| Water Table |
The top of the zone of saturation where it meets the zone of aeration.
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Aquifer
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A layer of porous earth materials that stores and transmits water.
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Aquiclude
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A layer of impermeable earth material that prevents the movement
of water through it.
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Artesian Well
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The flow to the surface of pressurized water trapped in an aquifer
between aquicludes
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Cone of Depression
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The lowered level of the water table around an active well
(The cumulative affect of pumping over a larger area it is known as draw
down)
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Subsidence
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The sinking of land due to the removal of water from the ground
below.
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Recharge zone
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Area in which rain and surface water percolate down into an aquifer
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