Atmosphere Flashcards

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1
Q

What is insolation

A

Incoming solar radiation that heats the Earth’s atmosphere

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2
Q

What is terrestrial radiation

A

Heat given off by the heated surface of Earth

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3
Q

What are ocean currents

A

The continuous movement of seawater generated by a number of forces acting upon the water

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4
Q

Name two factors that determine the amount of insolation in a region

A

Seasonal temperature differences and latitudinal temperature differences

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5
Q

What are latitudinal temperature differences

A

The distance from the equator

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6
Q

What causes seasonal temperature differences

A

The Earth’s tilt

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7
Q

What is the coriolis force

A

The defection of the circulating air towards the right in the North and towards the left and the South due to the Earth’s rotation

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8
Q

Where are warm currents formed

A

The equator

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9
Q

Where are cold currents formed

A

The poles

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10
Q

How does the coriolis Force affect ocean currents

A

The winds pull water with them cars in currents

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11
Q

How do ocean currents affect global temperatures

A

Ocean currents send heat towards polar regions and cold air towards tropical regions

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12
Q

What is albedo

A

The amount of insolation reflected by the earth’s surface

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13
Q

How does the coriolis Force affect the direction of ocean currents

A

The coriolis force is ocean currents in the North towards the right and ocean currents in the south towards the left

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14
Q

In which direction do high-pressure cells rotate

A

Anti-clockwise

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15
Q

Does the air in high-pressure sells ascend or descend

A

Air in high-pressure cells descent

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16
Q

Which direction does air in low pressure cell rotate

A

Clockwise

17
Q

Does the air in low pressure cells ascend or descend

A

The air in low pressure cells ascend

18
Q

In which cells are clouds formed

A

Low pressure cells

19
Q

List the 4 world pressure belts

A

Polar high pressure belt
Subpolar low pressure belt
Subtropical high-pressure belt
Intertropical convergence zone

20
Q

What is the pressure gradient

A

The change in pressure from areas of high pressure to areas of low pressure

21
Q

How do isobars indicate high pressure gradient

A

Isobars are closer together steep

22
Q

How do isobars indicate low pressure gradient

A

Isobar’s far apart

23
Q

What is the relationship between a pressure gradient and wind speed

A

The stronger the pressure gradient the faster the wind

24
Q

What is the geostrophic air flow

A

Theoretical wind resulting from balance between the coriolis force and the pressure gradient parallel to the isobars

25
Q

What is wind

A

Moving air

26
Q

What happens at the Hadley cells

A

The equator is heated in a sense then they were just towards the poles

27
Q

What happens at the ferrel cells

A

Home shopping air collides with cold polar air

28
Q

What happens at the polar cells

A

Cold air sinks due to density

29
Q

What are monsoons

A

Seasonal winds accompanied by changes in precipitation

29
Q

What are monsoons

A

Seasonal winds accompanied by changes in precipitation

30
Q

What are monsoons

A

Seasonal winds accompanied by changes in precipitation

30
Q

What are monsoons

A

Seasonal winds accompanied by changes in precipitation

30
Q

What are monsoons

A

Seasonal winds accompanied by changes in precipitation

31
Q

What are fohn winds

A

Dry warm down slope winds