Exam 18: Arid Landscapes and Eolian Processes

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With wind indicated by the arrow,which type of dune is stabilized by vegetation,as seen in the following image? With wind indicated by the arrow,which type of dune is stabilized by vegetation,as seen in the following image?

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The windward side of a dune is also called the

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In a typical desert climate,above the height of ___ centimeter(s),wind velocity increases rapidly before slowing down with additional height.

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The leeward side of a dune is also called the

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A depression created as a result of wind erosion is called saltation.

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A surface that extends away from an escarpment of a basin and range found in dry areas is called a

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A broad,horizontal surface smaller than a plateau and upheld by resistant caprock is called a butte.

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An ecotone is a transition between two distinct ecosystems that contain species from each area.

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Sediment is moved by the wind through suspension,saltation,and creep.

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The influence of the rainshadow effect is another factor in the development of arid and semi-arid regions.

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The lee slope of a dune is also called the slip face.

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The highest point of a dune is called the peak.

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The gradual slope of a dune that faces the prevailing wind is termed the

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The slip face angle commonly falls between ____° and 34°.

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The Dust Bowl of the 1930s in the United States in an example of desertification.

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In comparing fluids,water is ____________ wind.

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This desert in Asia is associated with the influence of being a great distance from a large body of water.

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This is a dried lakebed that forms when runoff collects in closed topographic depressions in arid regions.

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Loess is another type of eolian deposit.Where does loess originate,and what mechanism transports loess deposits?

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The maximum angle that can be achieved on the slip face of dry sand is typically

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