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Meteorology1 > Earth's Atmosphere > Flashcards

Earth's Atmosphere Flashcards

1
Q

What is the atmosphere is composed of?

A

78%nitrogen

21% oxygen

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2
Q

Water vapor it’s less than 1% but it’s responsable for?

A

Fueling the weather in the atmosphere by transporting heat

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3
Q

About 99% of the earths Atmospheric mass is concentrated in?

A

Troposphere

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4
Q

The mayor layers of the atmosphere are?

A 
Troposphere
Stratosphere 
Mesosphere
Thermosphere
Exosphere
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5
Q

What is standard lapse rate

A

Temp at the troposphere decreases at a constant rate with height 1.98 per 1000 feet

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6
Q

99% of atmospheric water vapor is found?

A

Troposphere

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7
Q

The word troposphere means

A

Region of mixing

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8
Q

What is the tropopause

A

Boundary layer between troposphere and stratosphere

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9
Q

Atmospheric layers in order from most dense to the least dense

A

Troposphere
Stratosphere
Mesosphere
Thermosphere

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10
Q

What defines the start of the tropopause

A

Sudden change in lapse rate

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11
Q

Most weather is prevented from rising trough the atmospheric layers by the

A

Tropopause

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12
Q

Mesosphere is characterized by

A

Very low temp

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13
Q

The thermosphere is characterized by

A

Very high temp

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14
Q

What percentage of earths atmosphere is composed of water vapour

A

Less than 1%

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15
Q

The ozone layer is located in the

A

Stratosphere

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16
Q

The thickness of troposphere varies with

A

Parallels of latitude

17
Q

What is the approximately the average height of tropopause over the equator

A

18km

18
Q

Concerning the conditions in the lower part of the atmosphere it is correct that ?

A

The tropopause is lower during the winter than in summer

19
Q

What’s ISA means?

A

International standard atmosphere

20
Q

Pressure in the stratosphere

A

Decreases with weight

21
Q

The feature associated with the tropopause is

A

The abrupt change of lapse rate

Meteorology1 (3 decks)

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