Lecture 13 -Mass Wasting

Lecture 13 -Mass Wasting - Mass Wasting Mass Wasting The...

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Mass Wasting
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Mass Wasting The downslope movement of rock, regolith, and soil under the direct influence of gravity Gravity is the controlling force
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Mass Wasting Videos
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Mass Wasting Important triggering factors Saturation of the material with water Destroys particle cohesion Water adds weight Oversteepening of slopes Unconsolidated granular particles assume a stable slope called the angle of repose Stable slope angle is different for various materials Oversteepened slopes are unstable Removal of anchoring vegetation Ground vibrations from earthquakes
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Angle of Repose
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Water and Pore Pressure
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Water and Slope Stability
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Soil and Rock Permeability Affect Slope Stability
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La Conchita Landslide
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La Conchita Landslide
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The Gros Ventre Landslide
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Vegetation and Mass Wasting
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Earthquakes and Mass Wasting
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Figure 4.23
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Denali Fault - Alaska, 2002
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The Great Alaska Earthquake - 1964
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Lecture 13 -Mass Wasting - Mass Wasting Mass Wasting The...

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