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Water cycle
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The continuous movement of water between the atmoshere, the land, and the oceans
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Evapotranspiration
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The total loss of water from an area
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Condensation
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The change of state from a gas to a liquid
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Precipitation
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Any form of water that falls to earths surface from the clouds
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Desalination
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A process of removing salt from ocean water
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Tributary
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A stream that flows into a lake or into a larger stream
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Watershed
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The area of land that is drained by a river system
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Stream load
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The materials other than the water that is carried by a stream
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Discharge
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The volume of water that flows within a given time
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Gradient
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The change in elevation over a given distance
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Meander
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One of the bends, twists, or curves in a low-gradient stream or river
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Braided stream
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A stream or river that is composed of multiple channles that divide and rejoin around sediment bars
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Delta
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A fan-shaped mass of rock material deposited at the mouth of a stream; deltas form where streams flow into the ocean at the edge of a continent
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Alluvial fan
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A fan-shaped mass of rock material deposited by a stream when the slope of the land decreases sharply; alluvial fans form when streams flow from mountains to flat land
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Floodplain
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An area along a river that forms from sediments deposited when the river overflows its banks
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