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Features of a River (Middle Course (River slows,deepens, widens, still…
Features of a River
Middle Course
River slows,deepens, widens, still powerful
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Over time, outside bend eroded. Inside bend sediment deposits= meander deepens
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Introduction
- Over time -Erosion, Transportation and deposition changes river course/ shapes land
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- Erosion - wearing away land
4.Three stages:upper,middle,lower
- Transportation - carrying sediment (rocks, mud, sand)
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Upper Course
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1 small stream - rainwater or ice, high up e.g. mountains
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Lower Course
At low tide, mudflat seen - sediment deposits
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Destination (sea/ocean) -slow, drops sediment, form small islands called Delta
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widens, slows, less powerful/less energy
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Summary
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Rivers have great power to shape landscape (valleys, meanders)
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AN older river - less powerful as slow, wide, deep
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Great for people, wildlife and plants