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Lecture 4

Earth Sciences 1022A/B Lecture Notes - Lecture 4: Mass Wasting, Regolith, Earthflow


Department
Earth Sciences
Course Code
EARTHSCI 1022A/B
Professor
Hickock
Lecture
4

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Chapter 14: Mass Wasng
Controls and Triggers
-gravity is always pulling rock, regolith, and soil down slopes;
-more eecve if…
-water saturates materials on slopes-reduces cohesion, fricon and adds weight
-Figure 15.4 Eect of water on mass wasng
Oversteepened slopes: from undercu%ng, loss of support
vegetaon removal: plant roots anchor and stabilize soil
earthquakes: dislodge slope materials, start landslides
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