Term
| A(n) apron of fallen rock fragments called ___ is generally found at the base of a slope affected by rockfall. |
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Definition
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Term
| Which of the following factors are how geologists, engineers, and others classifying mass wasting? |
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Definition
| rate of movement, type of material, type of movement |
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Term
| If, over a period of time, your home develops doors that stick, cracked walls, broken pipes, and cracked driveways, ____ may be occurring |
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Definition
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Term
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Definition
| is the total force/stress resisting movement |
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Term
| ____ generally makes a slope more susceptible to mass wasting of soil. |
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Definition
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Term
| Slide is a term that means that the descending mass __. |
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Definition
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Term
| Among techniques used to prevent rockfalls along highways is to _____. |
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Definition
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Term
| When a stream, wave action, or excavation by humans undercuts the base of a slope, slope failure may occur because __. |
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Definition
| downslope support of the slope materials will have been reduced or eliminated |
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Term
| List the following flow terms in the order of decreasing velocity (fastest first): mudflow, debris avalanche, creep, and earthflow. |
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Definition
| debris avalanche, mudflow, earthflow, creep |
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Term
| In ____, soil in which fine grains predominate moves downslope as a viscous fluid. |
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Definition
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Term
| A(n) _____ is a general term that tells nothing about the processes involved. |
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Definition
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Term
| Resistance to movement or deformation of soil is called __. |
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Definition
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Term
| Mudflows generally contain __. |
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Definition
| primarily mud-sized particles with some water, but may also contain particles as large as boulders |
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Term
| Mudflows are ___ likely to occur in arid regions than in wet climates |
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Definition
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Term
| ______ is ground that remains frozen for many years. |
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Definition
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Term
| Mudflows are ___ likely to occur in areas not protected by vegetation. |
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Definition
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Term
| In areas where the daily temperature regularly varies above and below the freezing temperature of water, the freeze-thaw cycle __. |
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Definition
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Term
| In a translational slide, the descending mass __. |
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Definition
| moves along a plane approximately parallel to the slope of the surface |
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Term
| The rate of movement in creep is usually __. |
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Definition
| A centimeter or less per year |
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Term
| A _____ involves movement along a curved surface. |
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Definition
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Term
| A rock avalanche begins its downslope journey __. |
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Definition
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Term
| If movement becomes very rapid, a rockslide may break up and become __. |
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Definition
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Term
| Assuming that all other conditions are identical, a slope that is ___ is more stable. |
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Definition
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Term
| Two factors that contribute significantly to soil creep are water in the soil and ___. |
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Definition
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Term
| When soil is saturated with water ____ increases. |
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Definition
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Term
| A(n) _____ is the rapid sliding of a mass of bedrock along an inclined surface of weakness. |
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Definition
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Term
| One way to prevent slope failure is to __. |
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Definition
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Term
| Heavy irrigation on a hillslope will cause __. |
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Definition
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Term
| _____ commonly trigger mass wasting events. |
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Definition
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