GEO SCHIENCE 3-3-08

GEO SCHIENCE 3-3-08 - 2 Effects of vegetation A Stabilizes...

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2. Effects of vegetation A. Stabilizes Slopes state of Washington reciceves more precipitation due to ocean currents Convection currents some sort of energy, it gets heated and cools and falls and then it swrils Hot air rises cold air falls, United kingdom higher in elevation, due to the gulf stream, recieves a lot of rian and fog, water destaabilizes the soil causeing it to move 3. Earthquakes, mainly in Cali. A. Common Cause of Landslides B. Ground Shaking reduces friction 4. Clays Wicked can expand and extract, if you build roads or bridges can cause them to move Quick Clay In SW PA. unstable,failure- prone clay sediment derived from glacial flour deposits in a marine settinf, weakened by later flushing with fresh H20 Maraine state Park to erie is loaded with quick clay, Monigalia county loaded with this also 1. Near Philidelphia, Sensitive Clay- weak failure prone clay sediment behaves similar to quick clay but deived from other materials “weatrhered volcanic Ash” bentonite- No
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This note was uploaded on 03/20/2008 for the course GEOSC 020 taught by Professor Bushjscott during the Spring '08 term at Penn State.

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GEO SCHIENCE 3-3-08 - 2 Effects of vegetation A Stabilizes...

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