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7 Cards in this Set
- Front
- Back
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Erosion
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the process by which soil/rock are moved from one place to another on the Earth’s surface
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Erosion examples
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• Gravity ie mass wasting
• Water ie rivers • Ice ie glaciers • Wind ie abrasive sand |
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what is directly influenced by gravity?
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downslope movement of rock, regolith and soil
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Gravity
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is the controlling force
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Important triggering factors: Saturation of the material with water
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• destroys particle cohesion
• water adds weight |
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Important triggering factors: oversteepening of slopes
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• Unconsolidated granular particles assume a stable slope called ……
• Stable slope angle is different for various materials • oversteepened slopes are unstable |
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Important triggering factors: other
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Removal of anchoring vegetation
Ground vibrations from earthquakes. |
