Exam 3: Air Temperature

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Urban areas generally absorb more insolation than nearby rural areas because surfaces like asphalt have lower albedos than surfaces like meadow or forest.

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Temperature decreases with elevation in the stratosphere.

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Identify the four major layers of the atmosphere and describe temperature trends within each.

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The lowest layer is the troposphere where temperature decreases with elevation at a lapse rate of about 6.4ᵒC per kilometer. Next is the stratosphere, where temperatures increase with elevation due to the absorption of ultraviolet radiation by ozone. In the mesosphere temperature again decreases with elevation until the thermosphere is reached. In the thermosphere, temperature again increases with elevation but because there are few air molecules this layer holds little heat.

Examine the annual net radiation patterns shown in this figure. The curve for the city of Manaus at 3ᵒ S latitude is labeled: Examine the annual net radiation patterns shown in this figure. The curve for the city of Manaus at 3ᵒ S latitude is labeled:

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Night air temperatures tend to be lower at higher elevations because there are fewer air molecules to absorb outgoing longwave radiation.

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The largest influence on annual temperature cycles is from differences in insolation received at different ________.

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The surface layer of a beach would heat up ____ than the adjacent water surface during the day, and cool down ____ during the night, during a summer day-night cycle.

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_____ can be transferred by the processes of conduction or convection.

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On high mountains, air temperatures will tend to be _______ the adjacent lowlands.

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The layer of the atmosphere above the troposphere that contains the ozone layer is called the ________.

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Temperature tends to ______ with elevation in the troposphere, and ________ with elevation in the stratosphere.

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A trend of decreasing air temperature with elevation is called a temperature inversion.

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Annual temperature ranges tend to _______ decreasing latitude.

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Aerosols are tiny particles in the atmosphere that are so small that the slightest air movement keeps them aloft.

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Which of these locations would be likely to experience the largest annual temperature range?

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Land surfaces tend to heat and cool faster than water bodies.

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A trend of increasing air temperature with elevation is called a temperature inversion.

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Which of these locations would experience the smallest annual variation in the length of day?

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Aerosols produced by human activities like fossil fuel burning are thought to be contributing to increases in global temperature.

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Temperature inversions often occur during the day, as the ground surface radiatively warms and in turn warms the layer of air immediately above it.

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