Rivers The beginning of a river is called its source. All rivers have tributaries streams that join the  main river Riv...
Rivers stages        C Parker
Upper / youthful stage        C Parker
upper Vertical erosion Interlocking spurs Waterfalls V-shaped valleys               C Parker
Middle ( mature stage)        C Parker
Middle stage Lateral erosion erodes its banks Meanders Widening valley Flood plain                C Parker
Lower (old stage)        C Parker
Lower        C Parker
Lower stage Deposition Flood plain Ox-bow lakes Delta                C Parker
Deposition       C Parker
Floodplain        C Parker
Ox-Bow lake       C Parker
Delta        C Parker
River processes Speed and energy of water erodes = hydraulic action. Fragments of rock carried by river called the load ...
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Rivers

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Visual notes on How rivers are formed

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Rivers

  1. 1. Rivers The beginning of a river is called its source. All rivers have tributaries streams that join the main river River system drains an area called a drainage basin The area between two drainage basins is called a watershed Part of a river that is tidal is called an estuary Mouth of a river is where it meets the sea or a lake C Parker
  2. 2. Rivers stages C Parker
  3. 3. Upper / youthful stage C Parker
  4. 4. upper Vertical erosion Interlocking spurs Waterfalls V-shaped valleys C Parker
  5. 5. Middle ( mature stage) C Parker
  6. 6. Middle stage Lateral erosion erodes its banks Meanders Widening valley Flood plain C Parker
  7. 7. Lower (old stage) C Parker
  8. 8. Lower C Parker
  9. 9. Lower stage Deposition Flood plain Ox-bow lakes Delta C Parker
  10. 10. Deposition C Parker
  11. 11. Floodplain C Parker
  12. 12. Ox-Bow lake C Parker
  13. 13. Delta C Parker
  14. 14. River processes Speed and energy of water erodes = hydraulic action. Fragments of rock carried by river called the load wear away the banks and river bed = abrasion. Crashing of stones and pebbles carried by the river wears itself away = attrition. Limestone chalk dissolved by carbonic acid = solution C Parker
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