Global Atmospheric Circulation Flashcards

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1
Q

What are the Characteristics of a Low Pressure System?

A
  • High Winds
  • Rising Air
  • Evaporation
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2
Q

What are the Characteristics of a High Pressure System?

A
  • Low Winds
  • Falling Air
  • No Clouds
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3
Q

Which biomes are found at low pressure?

A

Rainforests

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4
Q

Which biomes are found at high pressure?

A

Deserts

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5
Q

What is Global Atmospheric Circulation?

A

The circulation of air in earths atmosphere

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6
Q

What is wind, where does it come from?

A

Air Moving from High Pressure to Low Pressure

Think about blowing up a balloon and letting all the air out

High to Low Pressure

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7
Q

What are the Characteristics of Sinking Air?

A

High Pressure
30 Degrees North South Equator
Outward Winds

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8
Q

What are the characteristics of Rising Air?

A
  • Low Pressure
  • 60 Degrees North South
  • Winds are inward, towards earth
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9
Q

Where are the cloudiest places on earth?

A

The Hadley Cells and the Equator

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10
Q

Where is the Ferrel Cell Located?

A

30-60 Degrees North South

The Northern and Southernmost areas

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11
Q

What happens at the Ferrel Cell?

A

Wind Pulls up to the poles, carrying moisture causing rain

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12
Q

How is Low pressure achieved

A

Cold and Hot Air Mixes

This causes low Pressure

Causes the UK’s Wet and Windy Weather

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13
Q

What happens at the Hadley Cell?

A

Air Rises, causing low pressure

Air flows to the equator leading to a trade wind

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14
Q

Which Biome is found in the Hadley cells

A

Rainforests, Hadley Cells are near the equator

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15
Q

What is the order of pressure from north to south?

A

HIGH | LOW | HIGH

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16
Q

What is a trade wind?

A

Winds driven by global atmospheric circulation

17
Q

What is the Jet Stream?

A

The jet stream is a fast, narrow current of air flowing from west to east that encircles the globe

18
Q
A