River Terminology

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Point or line from which rivers flow in opposite directions
Watershed
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Area in which all water drains into one river system
Drainage Basin
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River/Stream flowing into main river
Tributary
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Places where two or more rivers unite
Confluence
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The removal of material by an erosive force
Erosion
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Water forces and compresses air into joints and cracks in rocks. This puts stress on the rocks and they break up
Hydraulic Action
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Water dissolves soluble minerals in rocks and transports them away
Solution
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Eroded material being carried by the river. Bangs into each other, forming smaller and smoother material
Attrition
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Where material being carried by the river erodes the river bed
Abrasion
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How a river carries its load
Transport
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Eroded material is dropped after transport away from the erosion zone
Deposition
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The eroded material that a river transports
Load
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The amount of water in the channel
Volume
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The speed of the water in a given direction
Velocity
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Amount of water passing a given point per second
Discharge
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Steepness of slope/Valley floor along which the river is flowing
Gradient
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Bed along which the river flows
Channel
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The amount of water the channel can contain up to Bankfull. Over bankfull is a flood
Capacity
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The lowest level to which a river can erode
Base level
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Other cards in this set

Card 2

Front

Area in which all water drains into one river system

Back

Drainage Basin

Card 3

Front

River/Stream flowing into main river

Back

Preview of the front of card 3

Card 4

Front

Places where two or more rivers unite

Back

Preview of the front of card 4

Card 5

Front

The removal of material by an erosive force

Back

Preview of the front of card 5
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