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Summary - Geography
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Providing an in-depth overview of geography.
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GeographyCompleted
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The global atsomoheric circulation can be described as a worldwide system of
winds moving solar heat energy FROM the equator TO the poles to reach a
balence in temperature
Wind formation
Air always moves from high pressure to low pressure,and this movemnt of air
generates wind
Winds are large scale movemnets of air due to differnces in air pressure
This pressure differnece is because the sun heats the earth surface unevenly
Insolation that reaches the Earths Surface is greater at the equator than at the
poles due to the Earths curvauture and angle of the earths tilt
Hot air rises and coller air sinks through the proccess of convenction
This iregular heating of the earth surrface creats pressure cells
Each cell generatres differnt weather pattrens
Air movement within the cell is roughly circular and moves surplus heat from
equation regeions to other parts of the earth
In both hemipshers,heat energy transfer occurs where 3 atmospheric
circulation,cells meet
The tri-Celluar Atmospheric wind
Each hemisphere has there cells(The hadley cell,Ferrel cell and Polar
Cell)Which circulate air from the surface through the atmosphere and back to the
eaths surface
Hadley cell is the larget cell and extens from the equator to between 30 and 40
degress north and south
Geography 1
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