AQA GCSE Geography · 8035
Specification 3.1.3.3 · Paper 1
Transportation in which large stones and boulders roll along the river bed.
Revise: River Profiles and Fluvial ProcessesTraction: large stones and boulders roll along the bed.
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GCSE Geography · key term
River transportation in which large particles, such as boulders, roll or are pushed along the river bed.
Used by AQA, Edexcel and OCR
Specification 3.1.3.3 · Paper 1
Transportation in which large stones and boulders roll along the river bed.
Revise: River Profiles and Fluvial ProcessesTraction: large stones and boulders roll along the bed.
Specification 1.7 · Paper 1
Revise: River Physical ProcessesTraction moves large particles, such as boulders, by rolling or pushing them along the bed. Saltation moves smaller particles, such as pebbles, in short hops or bounces along the bed.
Paper 2
The rolling of large particles along the river bed.
Revise: River Processes and LandformsTraction: large stones and boulders roll along the bed, usually during high-energy flows.
Specification 3.2a · Paper 1, Paper 3
The rolling or sliding of large particles along the bed by moving water.
Revise: Geomorphic Processes: Weathering, Mass Movement, Erosion, Transport and DepositionTraction: large particles, such as boulders, roll or slide along the bed.
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