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Describe and account for the nature of global atmospheric circulation.
Global atmospheric surface pressure is the movement of air on a large scale and the means by
which solar energy is distribution on the earth's surface.

The global heat budget is the balance between incoming and outgoing solar radiation. Incoming…

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warm air rising at the equator forms low pressure and sinking air at the poles forms high pressure.
Air always moves from high pressure to low pressure allowing heat to be moved around the globe.
A convection cell forms in both hemispheres as a result.

However, since the earth rotates,…

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but are deflected to the right in the Northern Hemisphere and the left in the Southern
Hemisphere.











At the Equator the Earth has a greater circumference than towards the Poles. As a result, the air
has to travel faster here as the Earth rotates. In response to the greater distance,…

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