Rivers Vocab

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The Drainage Basin
An area of land drained by a river and its tributaries
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Source
The start of a river
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Mouth
The end of a river, where it joins the sea
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Tributaries
Smaller rivers or streams which join the main river
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Confluence
The point at which 2 or 3 rivers join
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Watershed
The edge of highland surrounding a drainage basin
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Catchment Area
The area within a drainage basin
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Fluvial Erosion
The wearing away of rock and soil found along the river bed and banks, as well as the breaking down of the rock particles being carried downstream by the river.
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Transportation
Load (rocks/sediment) is carried by the river flow
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Deposition
When a river drops its load
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Discharge
The volume of water passing through a given point on the river. It is measured in cubic metres per second (cumbers)
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Discharge=
channel width x depth
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Lateral Erosion
Wears away the river banks (makes the river wider). Dominant in the upper course.
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Vertical Erosion
Wears away the river bed (makes the river deeper). Dominant in the middle and lower courses.
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Other cards in this set

Card 2

Front

The start of a river

Back

Source

Card 3

Front

The end of a river, where it joins the sea

Back

Preview of the back of card 3

Card 4

Front

Smaller rivers or streams which join the main river

Back

Preview of the back of card 4

Card 5

Front

The point at which 2 or 3 rivers join

Back

Preview of the back of card 5
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