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27 Cards in this Set
- Front
- Back
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watertable
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where aeration and saturation zones meet
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runoff
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when rain rolls into a stream
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a stream follows this
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a channel
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gradient
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a measurement of the change in elivaion over a certain distance
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percolation
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the downward movement of water through spaces in soil due to gravity
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drainage bason
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basin served by a river system
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percipitation
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water falling from the sky
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evaporation
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how rain gets back up
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groundwater
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water underground
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alluvial fan
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delta on dry land
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deposition
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process that can renew the soil
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aquifur
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a rock sandwich with water
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tributaries
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small contributors to a big river
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condensation
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when water vapor cools in a cloud
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sinkhole
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Underground erosion causes a circular depression
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artesian
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when cap rock is cracked
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erosion
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eventually wears way at sediment
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porosity
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amount of space between rock particles
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sewage treatment plant
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a place where wast water is made clean
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point-source poultion
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a type of pollution that comes from a single area and can be located
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divide
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drainage basins are separated from each other by and area of higher ground
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channel
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path a stream follows
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load
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materials carried by a stream
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recharge zone
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area where water travels downward to become part of an aquifer
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watershed
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area of land drained by a water system
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floodplain
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area that is covered with sediment when a river repeatedly overflows its banks
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aquifur
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a rock layer that stores and allows the flow of ground water
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