Force of the water breaks rock particles off from the river channel
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EROSION: 2) Abrasion
Fragments of rocks and pebbles wear away the river channel
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EROSION: 3) Attrition
Fragments of rocks and pebbles strike each other and break into smaller pieces
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EROSION: 4) Corrosion/Solution
Slightly acidic water dissolves minerals from rocks and carries them as a solution
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TRANSPORTATION: 1) Traction
Large boulders are rolled along the bed
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TRANSPORTATION: 2) Saltation
Pebbles bounce along the bed
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TRANSPORTATION: 3) Suspension
Fine particles float in the water and are carried along by the river
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TRANSPORTATION: 4) Solution
dissolved minerals are invisible and are carried along by the water
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When and why does deposition occur?
It occurs when a river slows down. A river may slow down because: 1) Discharge is reduced (2) The river becomes shallower (3) The river floods (4) The river reaches its mouth
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Other cards in this set
Card 2
Front
EROSION: 2) Abrasion
Back
Fragments of rocks and pebbles wear away the river channel
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