Erosion in Rivers

sahilmisri
Mind Map by , created almost 6 years ago

(Geomorphological Processes) Mind Map on Erosion in Rivers, created by sahilmisri on 12/21/2013.

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sahilmisri
Created by sahilmisri almost 6 years ago
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Erosion in Rivers
1 Hydraulic Power
1.1 The force of the water on beds + banks of rivers
1.1.1 Powerful when there is a flood
1.1.1.1 It powers most of the types of erosion in rivers
2 Corrasion/Abrasion
2.1 Pebbles + boulders being carried along by the river
2.1.1 It erodes the bed + bank away
3 Corrosion
3.1 Sometimes river water is slightly acidic and it can dissolve rocks over a period of time
3.1.1 An example of this is the dissolving of limestone
3.1.1.1 We get calcium hydrogen carbonate
4 Attrition
4.1 Pebbles banging into each other powered by hydraulic power
4.1.1 This causes the pebbles to eventually break

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