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32 Cards in this Set
- Front
- Back
Theoretical lowest level to which a river may erode
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Baselevel
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Flood is actually occurring or is imminent
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Flood Warning
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Study of water transport in a natural system
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Hydrology
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Acidic water with low pH and elevated dissolved metals such as Fe, Al, and Mn
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Acid Mine Drainage
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Greatest water pollution by volume
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Sediment
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Degradation of water quality as measured by biological, chemical or physical criteria
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Water Pollution
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Stores 98% of all of the Earth's water
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Oceans
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Flat surface adjacent to the river that is periodically inundated by flood water
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Flood Plain
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Difference in elevation between the highest and lowest points of any land form
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Relief
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Volume of water moving past a particular location in a river in a unit of time
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Discharge
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Rate at which water infiltrates into soil
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Perctest
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High flow or overflow is possible
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Flood Watch
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Rapid increase in growth of plant life
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Eutrophication
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Inject nutrients and oxygen for organisms growth which degrade contaminants
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Bioremediation
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Height of water in a river
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Stage
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Movement or transfer of water from one of Earth's storage compartments to another
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Hydrologic Cycle
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Area of land that contributes water to a particular stream or river
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Watershed
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Any substance that, in excess, is known to be harmful to living organisms
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Pollutant
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A subsurface rock unit that does not transmit useful amounts of water
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Aquiclude
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Any process that adds water to the aquifer
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Ground Water Recharge
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Area in aquifer where water is being pulled
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Cone of Depression Forms
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All Earth material above the water table
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Vadose Zone
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Pore space in a rock, sediment or soil
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Porosity
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A subsurface rock unit that holds and transmits useful quantities of water
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Aquifer
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Any process that removes water from an aquifer
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Groundwater Discharge
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Pressure from a confined aquifer
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Artesian Well
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All pore spaces filled with water
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Saturated
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No confining layer restricting upper surface from the water table
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Unconfined Aquifer
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Ability of material to allow water to pass through
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Hydrolic Conductivity
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Water movement through the pore spaces of a rock
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Permeability
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Local zone of saturation above regional water table
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Perched Aquifer
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Confining layer present in aquifer
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Confined Aquifer
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