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fluvial processes

Transportation

  • saltation: pebbles are bounced along the sea bed
  • solution: soluble meterials dissolve
  • traction:large particals pushed along the sea bed
  • suspension 

Erosion

  • attrition: rocks smash into each other
  • hydrolic action: water forcing rocks to break
  • abrasion: wearing away rocks
  • solution:dissolves rocks

deposition

  • water slows down 
  • fall in volume
  • river reaches its mouth
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weathering

biological: plants break rocks

chemical: rain dissolves rocks

mechanical: breaking big rocks into little rocks

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hydrolical cycle

infiltration

  • perculation
  • throughflow
  • ground water flow
  • suface runoff
  • channel flow

closed system-flows-evaporation,land,sea,atmosphere-heated-clouds-water vapor-evaporation,transpiration,plants/trees/vegatation

  • channel storage
  • groundwater storage
  • interception storage
  • surface storage
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river landforms

waterfalls

  • gorges

waterfalls form where a river flows over hard rock followed by an area of soft rock, the softer rock is eroided.

upper course

  • v - shaped vally

meanders

  • oxbow lakes
  • middle corse
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drainage basin

tributary

  • smaller river joining onto a biger river

source of the river 

confluence

  • two rivers join

lower course

  • river landforms
  • deltas
  • flood plain
  • levees
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