Cambridge AS Level Geography - 1.2 River channel processes and landforms

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This powerpoint is purposefully made for AS Level Geography using the Cambridge syllabus.

It fully covers - 1.2 River channel processes and landforms

1.2.1 River channel processes
• Erosion: abrasion/corrasion, solution, cavitation, hydraulic action.
• Load transport: traction, saltation, suspension, solution.
• Deposition and sedimentation.
• Relationship between velocity, discharge and load size.

1.2.2 River flow
• Velocity and discharge, patterns of flow (laminar, turbulent, helicoidal), thalweg.

1.2.3 Formation of river landforms by erosion and deposition processes
• Meanders (river cliffs, point bars, oxbow lakes), riffle and pool sequences, waterfalls, gorges, bluffs,
floodplains, levées.