At the poles: The large extent of ice and snow reduces the albedo and therefore reduces the temperature, compared to the tropics. Sunlight has a longer distance to travel from the sun and loses energy, in contrast to the tropics, which are closer to the sun, and therefore warmer. Due to the insolation angle, the incident sunlight is less concentrated than in the tropics, and the absorption of solar energy by the surface is comparatively less.

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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At the poles:
The large extent of ice and snow reduces the albedo and therefore reduces the
temperature, compared to the tropics.
Sunlight has a longer distance to travel from the sun and loses energy, in contrast to
the tropics, which are closer to the sun, and therefore warmer.
Due to the insolation angle, the incident sunlight is less concentrated than in the
tropics, and the absorption of solar energy by the surface is comparatively less.
There is a permanent inversion layer that isolates the ground from the upper
troposphere and keeps it colder than the tropics.
Transcribed Image Text:At the poles: The large extent of ice and snow reduces the albedo and therefore reduces the temperature, compared to the tropics. Sunlight has a longer distance to travel from the sun and loses energy, in contrast to the tropics, which are closer to the sun, and therefore warmer. Due to the insolation angle, the incident sunlight is less concentrated than in the tropics, and the absorption of solar energy by the surface is comparatively less. There is a permanent inversion layer that isolates the ground from the upper troposphere and keeps it colder than the tropics.
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