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10 Cards in this Set
- Front
- Back
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What is the course of a river? |
the path that it flows down |
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what courses do rivers have in them? |
upper, middle and lower |
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the shape of the valley changes depends on? |
whenever erosion or deposition is having the most impact |
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What does the long profile of a river show you? |
how the gradient changes over the different courses |
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what does the cross profile show? |
what a cross section of a river looks like |
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Does vertical and lateral erosion happen at the same time? |
yes |
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what does vertical erosion do? |
deepens the river valley making it v shaped, more dominant in the upper course of the river |
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What does lateral erosion do? |
widens the river valley and dominant in the middle and lower courses of the river |
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state the 4 process of erosion in a river |
hydraulic action abrasion attrition solution |
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what is hydraulic action? |
the force of the water breaking rock particles away from the river bed |
