The Solid Earth - Chapter 4: Wind Erosion Flashcards

1
Q

Two prerequisites to wind erosion’s effectiveness

A

Dryness

Scanty vegetation

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2
Q

A famous example of extensive wind erosion under a drought circumstance

A

Dust Bowl

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3
Q

Just like a stream, the wind’s ____ increases with height above the surface

A

velocity

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4
Q

Wind transports fine particles in _____ and heavier ones as ____

A

suspension, bed load

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5
Q

True or false: wind has a higher density than water

A

False; opposite day

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6
Q

True or false: wind is incapable of picking up and transporting coarse materials

A

True

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7
Q

Wind is able to spread over large areas because it is not confined to _____

A

channels

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8
Q

The lifting and removal of loose material (type of erosion)

A

deflation

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9
Q

The erosional process when larger grains of sand are rolled or skipped along the surface and comprise the bed load

A

saltation

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10
Q

The most noticeable result of deflation are shallow depressions called ____

A

blowouts

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11
Q

The surface of some deserts is characterized by a layer of coarse pebbles and cobbles too big to be moved by wind, making a veneer called ______

A

desert pavement

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12
Q

Wind erodes by ____

A

abrasion

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