Geography_Test_2_Study_Guide

Geography_Test_2_Study_Guide - Match the Cycle of Erosion:...

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Match the following general concepts of landscape evolution to terms and features Concep t: Cycle of Erosion Backwearing Dynamic Equilibrium Terms/Features W. M. Davis Youthful landscapes Peneplain Mature stage Downwearing Walter Penck Pediment Inselberg Haldenhang G. K. Gilbert Resistance Shear stress equilibrium Cycle of Erosion: W. M. Davis, youthful landscapes, peneplain, mature stage, downwearing Backwearing: Walter Penck, pediment, inselberg, haldenhang Dynamic Equilibrium: G. K. Gilbert, resistance, shear stress, equilibrium
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You go golfing. After a very bad round, you look across the flat plain made up of the hard rock type, granite. Behind the flat plain is a very steep isolated mountain, and there is a sharp slope angle at the mountain/plain junction. Which model of landscape evolution was developed to explain this pediment-inselberg landscape? Backwearing The waves beneath your cliff-side mansion have eroded the bottom of the cliff, increasing the slope angle. Which model of landscape evolution was developed to understand how to analyze such circumstances? Dynamic Equilibrium file:///Users/csehwang/Documents/GPH111/study%20guide%20%231%20re.pdf Fast Mass Wasting Falls, topples, and slides are examples of what? Mass wasting The key factor in all mass wasting events is ___________. Gravity Before a rock on a cliff can fall, what must happen first? Detachment from a steep slope or undercutting
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The pile of boulder rock falls that pile up at thebase of a cliff is called? When the rocks are smaller (cobbles), the pile is called? When the pile has a conical shape, it is called? Talus Scree Talus Cone When the rock fall is a rotating slab, it is called a _________. Topple Slides are ___________ when the failure occurs on a flat plane and ___________ when the failure occurs curved surface Translational Rotational Slump Your family won the lottery and is thinking of buying a condo at a ski resort. Like most ski resorts, avalanches are a concern. The real estate agent assures you that there's no danger. You look up at the mountain side and notice that the condo is underneath a gully with no trees. You tell the real estate agent that you won't buy here. What made you decide to avoid this spot? A lack of trees indicates that the path is an avalanche chute, and avalanches thus frequently occur in this area. What process turns solid material into a "plastic" that would flow downhill? Thixotropic What is the difference between an earthflow, debris flow and mudflow? Earthflow: slow, deep, travel a few meters a day Mudflow: fast, lots of mud, little rock content Debris flow: fast, lots of mud, lots of rock debris Why do fires often lead to debris flows? Fires destroy the top layer of soil, resulting in a lower root resistance to precipitation that then causes debris flow.
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A debris flow leaves ______, ridges along the side, as it flows.
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Geography_Test_2_Study_Guide - Match the Cycle of Erosion:...

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