River Valleys Flashcards

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1
Q

What are the Features of the Upper Course

A
  • Waterfalls
  • Gorges
  • Interlocking spurs
  • Large rocks and boulders
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2
Q

What are the Features of the Middle Course

A
  • Meanders
  • Floodplains
  • Smaller pebbles and rocks
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3
Q

What are the Features of the Lower Course

A
  • Meanders
  • Oxbow lakes
  • Floodplains
  • Levees
  • Fine sand particles
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4
Q

Characteristics of the Upper Course

A
  • River flows downhill due to gravity
  • This creates friction and results in lots of vertical erosion
  • The river channel is narrow and shallow
  • The valley is V-shaped with steep sides
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5
Q

Characteristics of the Middle Course

A
  • Lateral erosion increases as the river becomes less steep
  • The river channel is wide and deep
  • The valley is V-shaped with shallow sides
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