lecture 8- wind and atmospheric pressures

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14 Terms

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wind

the horizontal movement of air across the earth's surface

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atmospheric pressure

the weight of atmosphere above the location

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what U.S. locations are most suitable for wind development?

North Dakota, Texas, Kansas, South Dakota, Nebraska

-fierce winds channeled from the Rocky Mountains through the Great Plains.

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location low pressure systems

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locations of extreme pressure records

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location of high pressure systems

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factors that influence the flow of wind

gravitational force, pressure gradient force, Coriolis effect, friction

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pressure gradient force

the force that results when there is a difference in pressure across a surface- Air moves from high pressures to low pressures, setting up a gradient

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coriolis effect

the pattern of deflection taken by objects not firmly connected to the ground as they travel long distances

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friction

Wind flowing across different surfaces creates different resistances to movement from frictional drag

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gravitational force

is what holds the atmosphere to the earth

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