Global Atmospheric Circulation

Question 1

What is global atmospheric circulation

Answer 1

The transfer of heat from the equator to the poles by the movement of air

Question 2

What is the global atmospheric circulation system divided into

Answer 2

Cells which each have rising air that creates a low pressure belt and cool sinking air that creates a high pressure belt

Question 3

How does air move into the cells

Answer 3

The sun warms the earth at the equator cause air to rise creating a low pressure belt
As the air rises it cools and moves away from the equator
30 degrees north and south of the equator, the cool air sinks and creates a high pressure belt
At the ground surface, the cool air moves either back to the equator or towards the poles these winds curve because of the earths rotation called the coriolis effect
60 degrees north and south of the equator the warmer surface winds meet colder air from the poles
The water air rises creating low pressure
Some of the air moves back towards the equator, and the rest moves towards the poles
At the piles the cool air sinks creating high pressure. The high pressure air is then drawn back towards the equator

Question 4

How does the global atmospheric circulation affect weather and climate

Answer 4

At the equator the sun is directly overheard this means the earth will receive a lot of solar radiation. Warm and moist air rises and forms cloud so it rains a lot