Stages of a river

Stages of a river

Stages of a river

There are three main stages of a river. Under each stage as some of the most popular characteristics found at each stage.

Youthful stage / upper stage / mountain stage

  • Steep gradient
  • Pot holes common
  • V shaped valley
  • Fast current
  • Rapids
  • Waterfalls

Mature stage / middle stage / valley stage

  • Less steep than youthful stage
  • U shaped valley
  • Slower current
  • Some meanders

Senile stage / lower stage / plain stage

  • Shallow gradient
  • Flat flood plain
  • Slow current
  • Meanders
  • Ox bow lakes
  • Levees
  • Deltas
Water

Agricultural pollution

Agricultural pollution

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Deltas

Deltas

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Disease: Cholera

Disease: Cholera

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Hydrographs

Hydrographs

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Levees and flood plains

Levees and flood plains

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Managing water supplies

Managing water supplies