Atmospheric circulation

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8 Terms

1
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What are the three things that atmospheric circulation does?

  1. It transports heat and water

  2. Drives ocean currents

  3. Makes ocean waves

2
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How does atmospheric circulation drive ocean currents?

Movement of the air across the surface of the ocean generates really important currents in the ocean

3
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How does atmospheric circulation make ocean waves?

Movement of the air over the surface of the ocean creates waves

4
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How does air flow?

It flows in response to differences in air pressure

5
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What is differential pressure?

It is where air moves when there are differences in pressure in the atmosphere

6
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What does air flow away from? What does it flow towards?

Flows away from high pressure zones and towards low pressure zones

7
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What happens if a weight representing air pressure weighs down on the atmosphere?

The air will squirt over towards the balloon (representing low pressure) and lift the balloon up

8
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Describe air flow in response to pressure at the sea surface

  1. High pressure at sea surface

  2. Air flows out

  3. Low pressure pressure at the sea surface

  4. Air flows into the low pressure system