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Erosion in Rivers

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(Geomorphological Processes) Mind Map on Erosion in Rivers, created by sahilmisri on 21/12/2013.
sahilmisri
Mind Map by sahilmisri, updated more than 1 year ago
sahilmisri
Created by sahilmisri over 12 years ago
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Resource summary

Erosion in Rivers
  1. Hydraulic Power
    1. The force of the water on beds + banks of rivers
      1. Powerful when there is a flood
        1. It powers most of the types of erosion in rivers
    2. Corrasion/Abrasion
      1. Pebbles + boulders being carried along by the river
        1. It erodes the bed + bank away
      2. Corrosion
        1. Sometimes river water is slightly acidic and it can dissolve rocks over a period of time
          1. An example of this is the dissolving of limestone
            1. We get calcium hydrogen carbonate
        2. Attrition
          1. Pebbles banging into each other powered by hydraulic power
            1. This causes the pebbles to eventually break
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