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Rivers

Year 7 πŸ”οΈ Physical Geography  River features, processes of erosion, transportation, and deposition.

🏞️ Rivers and Their Processes

Rivers shape the land through erosion, transportation, and deposition.

Erosion Types

Hydraulic action (force of water), abrasion (material scraping), attrition (particles wearing each other down), solution (dissolving rock).

Transportation

Traction (rolling), saltation (bouncing), suspension (carried in water), solution (dissolved).

Upper Course

Steep gradient, fast flow, V-shaped valleys, waterfalls, potholes, interlocking spurs.

Lower Course

Gentle gradient, slow flow, meanders, oxbow lakes, floodplains, deltas.

Key Process

Velocity ∝ gradient β†’ faster flow = more erosion. Slower flow = deposition.

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πŸ—ΊοΈ Interactive Exploration β€” Rivers
πŸ“Š Data Analysis β€” Rivers
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Data analysis tools for this topic coming soon.

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