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With the aid of well labelled diagrams, describe how a river capture occurs.

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geop1ac
 

  • River capture may only occur where there are 2 adjacent rivers/ share a watershed
  • One river has more erosive power than the other
  • The more powerful river erodes vertically faster than weaker one thus flows at lower level than than the other.
  • The more power river erodes it's valley towards the other other river's valley through head-ward erosion.
  • Eventually, the powerful river joins valley of weaker river
  • The powerful river diverts the head waters of the weaker river into it's channel
  • The diversion of the headwaters is called river capture.
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