Chapter 1: Properties Of The Atmosphere Flashcards

1
Q

Temperature

A

A measure of the average speed that molecules move in a substance

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2
Q

Absolute zero

A

Zero on the Kelvin scale
-459.67 degrees Fahrenheit

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3
Q

Troposphere

A

Lower layer of atmosphere where weather occurs
Temperature decreases with height

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4
Q

Stratosphere

A

Above the troposphere
Temperature increases with height

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5
Q

Why does temperature increase in the stratosphere?

A

Ozone absorbs UV radiation in that layer

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6
Q

What are the two jet streams and their latitudes?

A

Subtropical jetstream
Polar jetstream
25 degrees and 50 degrees

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7
Q

Tropopause between

A

Troposphere and stratosphere

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8
Q

Tropopause folds

A

Are one way in which air in the stratosphere mixes with air in the troposphere

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9
Q

Mesosphere temperature and height relationship

A

Temperature decreases with height

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10
Q

Thermosphere temperature and height relationship

A

Temperature increases with height

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11
Q

Atmospheric pressure

A

The force applied by air on a unit area of surface

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12
Q

Vapor pressure

A

The force per unit area applied by only the water vapor molecules

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13
Q

When is atmosphere saturated

A

When the atmosphere cannot contain any more water vapor without condensing into cloud droplets

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14
Q

Saturation vapor pressure

A

The vapor pressure at which the atmosphere becomes saturated

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15
Q

Dew point temperature

A

The lowest temperature to which air can be cooled at constant pressure before saturation occurs
*measure of moisture content

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16
Q

Anemometer

A

Device to measure wind speed