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PLANET EARTH EXAM I > Chapter 5 > Flashcards

Chapter 5 Flashcards

1
Q

What is the inverse of temperature?

A

Pressure

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1
Q

What cause wind to blow?

A

Sea level pressure

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2
Q

High Temp = ?

*(hot)

A

Low P

(pressure and density)

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3
Q

Low Temp =?

*(cold)

A

High P

(pressure and density)

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4
Q

Rising Air =?

A

Low P at the Surface

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5
Q

Sinking Air =?

A

High P at the surface

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6
Q

What does pressure cause air to do?

A

Causes air to move from High to Low P

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7
Q

Wide Isobar Spacing =?

A

Light Winds

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8
Q

Close Isobar Spacing?

A

Strong Winds

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9
Q

Stronger pressure gradient =?

A

Stronger wind speed

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10
Q

What does High pressure do to air?

A

Air Diverges
*Sinks,(fills in)

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11
Q

What does Low P do to air?

A

Air converges
*rises

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12
Q

Define Coriolis Force?

A

apparent deflection of moving objects

*cause by Earth Rotation

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13
Q

Corilis Force affects?

A

direction of movement

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14
Q

What direction is deflection in the North Hemp.?

A

Right

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15
Q

What direction is deflection in the South Hemp.?

A

To the left

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16
Q

North Pole goes which direction?

A

Counter-Clockwise

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17
Q

South Pole goes what direction?

A

Clockwise

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18
Q

What Coriolis Force need to function?

A

Latitude
Wind Speed

* Maxium spin in at the top(pole).
* No spin is in the equator

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19
Q

Geostrophic Wind, is made up of two things?

A

Pressure Gradient Force + Coriolis Force

***ONLY IN THE MIDDLE & UPPER TROPOSPHERE

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20
Q

Wide Isobars =?

A

Light Winds
High Pressure
Gradual Pressure G

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21
Q

Close Isobars =?

A

Strong Winds
Low Pressure
Steep Pressure G.

22
Q

Northen Hemp., describe a anticyclonic geostrophic

A

High P
clockwise

23
Q

Northen Hemp., describe a cyclonic geostrophic

A

Low P
counter-clockwise

24
Q

Southern Hemp., describe a anticyclonic geostrophic

A

High P
Counterclockwise

25
Q

Southern Hemp., describe a cyclonic geostrophic

A

Low P
Clockwise

26
Q

High P
Anticyclonic
counterclockwise

A

South Hemp

27
Q

Low P
cyclonic
clockwise

A

South Hemp

28
Q

High P
Anticyclonic
clockwise

A

North Hemp

29
Q

Low P
Anticyclonic
counterclockwise

A

North Hemp

30
Q

Where does Friction occur?

A

Below 1000m

31
Q
A
32
Q

What does frction affect?

A

It decreases wind speed

33
Q

Friction slows down wind —>

A

Decreases Corilis and crosses wind isobars

34
Q

PGF + Coriolis =

A

PARELLEL Isobars

35
Q

PGF + Coriolis, produce what kind of wind?

A

Geostropic Wind

36
Q

PGF + Coriolis + Friction =

A

CROSSES isobars

37
Q

PGF + Coriolis + Friction , produce what kind of wind?

A

Surface Wind

**Rmb friction only happens below 1000m!

38
Q

Where does Geostropic Wind happen?

A

Upper/mid troposphere

39
Q

North Hemp with Friction: H

A

AntiCyclonic
Divergent
Clockwise

39
Q

North Hemp. with Friction: L

A

Cyclonic
Convergent
Counterclockwise

40
Q

South Hemp with friction: H

A

Anticyclonic
Divergent
Counterclockwise

41
Q

South Hemp with Friction: L

A

Cyclonic
Convergent
Clockwise

42
Q

What are the Global Pressure Zones?

A

Polar High
Subpolar Low
Subtropical High
equatorical low

43
Q

NE trade winds, go which direction?

A

down right

44
Q

SE trade winds go which diirection?

A

up left

45
Q

What kind of pressure does the Easterly trade Winds have?

A

High P

46
Q

What kind of pressure does ITCZ have?

***equator

A

Low P

47
Q

What makes up Hadley cells?

A

Trade Winids Converge + Air rises at ITCZ

**air travels upper to the poles; then cools and sinks back down around

48
Q

Subtropical High, describe==

A

near 30 degrees N/S
High P
hot,dry
clear, warm, calm weather

49
Q

Westerlies, decribe==

A

Diverging Wnds North of Hadley Cells
30 - 60 degrees N/S

50
Q

Subpolar Lows, describe=?

A

60 degrees N/S
cool,moist air, clouds
strongest in winter

51
Q

Polar High, describe?

A

90 degrees N/S
persistent in South Hemp
seasonal in North Hemp.
cold/dry air

52
Q

What are the Jet streams?

A

Polar Front ( 30-70 degrees)
Subtropical (20-50 degrees)

PLANET EARTH EXAM I (7 decks)

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