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Geog Study Guide IV

Geog Study Guide IV - *CONCEPT Solifluction*CONCEPT Debris...

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IV. Gravitational Processes and Mass Movement
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***CONCEPT: Mass Movement Description All unit movements of materials propelled by the Force of Gravity, ranging from wet to dry, fast to slow, small to large, and free-falling to gradual or intermittant. ***CONCEPT: Interfluvial Slope Description The sloping areas that separate two rivers or valleys in the same or adjacent watershed. In general, they have a non-zero slope. **CONCEPT: Rockfall ***CONCEPT: Landslide Description A sudden rapid downslope movement of a cohesive mass of regolith and/or bedrock in a variety of mass-movement forms under the influence of gravity. A form of mass movement. **CONCEPT: Translational Landslide **CONCEPT: Rotational Landslide **CONCEPT: Soil Creep **CONCEPT: Rock Creep *CONCEPT: (Mass Movement) Flow
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Unformatted text preview: **CONCEPT: Solifluction **CONCEPT: Debris Avalanche *CONCEPT: Gelifluction ***CONCEPT: Gravitational Force Description The Force of attraction between two bodies that proportional to their Masses and Inversely proportional to the square of the Distance between them. **CONCEPT: Shear Stress **CONCEPT: Cohesive Force **CONCEPT: Force of Friction **CONCEPT: Angle of Repose **CONCEPT: Shear Strength ***CONCEPT: Mohr-Coulomb Failure Criterion Description A equation describing the resistance of a slope to failure. QUESTION: What effect does water have on the Mohr-Coulomb failure criterion ? ANSWER: Pore-water pressure redices shear strength, i.e. decrease the amount of normal stress required to cause slope failure CONCEPT: Pore-Water Pressure...
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Geog Study Guide IV - *CONCEPT Solifluction*CONCEPT Debris...

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