11-mass wasting

11-mass wasting - Landform Geography Mass Wasting Lecture 11 18 February Lecture outline 1 Introduction relationship to weathering and erosion 2

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Unformatted text preview: Landform Geography: Mass Wasting Lecture 11: 18 February Lecture outline: 1. Introduction: relationship to weathering and erosion 2. Angle of repose 3. Slope dynamics 4. Classes of mass wasting Next Topic: The Hydrosphere (Ch. 9) People and Environment: Madison Valley Landslide (p. 473) Introduction: Denundation • (Def): The effect of disintegration, wearing away, and removal of rock • Lowering of continental surfaces • Interaction between: – Weathering – Erosion – M ass Wasting: r elatively shor t-distance down slope movement due to gr avity Figure 15.1 Same slide from Tuesday! (almost) Introduction: Mass Wasting • Movement of soil, regolith, or rock • Material is most likely weathered – and will most likely erode after wasting event • A geomorphic threshold has been reached • MASS wasting Angle of Repose • The steepness of the slope of a pile of grains • Varies with grain size and moisture content Gabler et al., Angle of Repose...
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This note was uploaded on 02/17/2011 for the course GEOL 201 taught by Professor Baruah during the Spring '10 term at South Carolina.

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11-mass wasting - Landform Geography Mass Wasting Lecture 11 18 February Lecture outline 1 Introduction relationship to weathering and erosion 2

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