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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
Southern Hemp., describe a anticyclonic geostrophic
High P Counterclockwise
25
Southern Hemp., describe a cyclonic geostrophic
Low P Clockwise
26
High P Anticyclonic counterclockwise
South Hemp
27
Low P cyclonic clockwise
South Hemp
28
High P Anticyclonic clockwise
North Hemp
29
Low P Anticyclonic counterclockwise
North Hemp
30
Where does Friction occur?
Below 1000m
31
32
What does frction affect?
It decreases wind speed
33
Friction slows down wind --->
Decreases Corilis and crosses wind isobars
34
PGF + Coriolis =
PARELLEL Isobars
35
PGF + Coriolis, produce what kind of wind?
Geostropic Wind
36
PGF + Coriolis + Friction =
CROSSES isobars
37
PGF + Coriolis + Friction , produce what kind of wind?
Surface Wind | **Rmb friction only happens below 1000m!
38
Where does Geostropic Wind happen?
Upper/mid troposphere
39
North Hemp with Friction: H
AntiCyclonic Divergent Clockwise
39
North Hemp. with Friction: L
Cyclonic Convergent Counterclockwise
40
South Hemp with friction: H
Anticyclonic Divergent Counterclockwise
41
South Hemp with Friction: L
Cyclonic Convergent Clockwise
42
What are the Global Pressure Zones?
Polar High Subpolar Low Subtropical High equatorical low
43
NE trade winds, go which direction?
down right
44
SE trade winds go which diirection?
up left
45
What kind of pressure does the Easterly trade Winds have?
High P
46
What kind of pressure does ITCZ have? | ***equator
Low P
47
What makes up Hadley cells?
Trade Winids Converge + Air rises at ITCZ | **air travels upper to the poles; then cools and sinks back down around
48
Subtropical High, describe==
near 30 degrees N/S High P hot,dry clear, warm, calm weather
49
Westerlies, decribe==
Diverging Wnds North of Hadley Cells 30 - 60 degrees N/S
50
Subpolar Lows, describe=?
60 degrees N/S cool,moist air, clouds strongest in winter
51
Polar High, describe?
90 degrees N/S persistent in South Hemp seasonal in North Hemp. cold/dry air
52
What are the Jet streams?
Polar Front ( 30-70 degrees) Subtropical (20-50 degrees)

PLANET EARTH EXAM I (7 decks)

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