Global atmospheric circulation Flashcards

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1
Q

Which cell is based at the top/bottom of the earth

A

Polar cell

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2
Q

What is the motion of air in the polar cell

A

Descending cooler, dry air

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3
Q

Which cell is the one in the middle of the other two?

A

Ferrell cell

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4
Q

What is the motion of air in the Ferrell cell?

A

Rising warm, moist air

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5
Q

Which cell is at the equator?

A

Hadley cell

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6
Q

What is the motion of air at the Hadley cell?

A

Descending cooler, dry air

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7
Q

What is created when air cools and sinks, t the polar cell?

A

A belt of high pressure and a cold dry climate

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8
Q

What occurs at 60°N and S (global circulation)

A

Cold polar air mixes with warmer air and rises, creating a belt of low pressure

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9
Q

What happens at the Tropic of Cancer during global circulation

A

Cool air sinks, creating a belt of high pressure. As this air sinks it becomes warmer and drier.

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10
Q

What happens at the equator during global circulation?

A

Warm air rises, creating a belt of low pressure. As this rises it cools.
Clouds form and release precipitation

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11
Q

Is suns heat concentrated or spread out at the equator?

A

Concentrated

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12
Q

Is the suns heat spread out or concentrated at the poles?

A

Spread out

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