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How can the thickness of the troposphere be measured?

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The tropopause, which marks the top of the troposphere, is defined by a temperature gradient. In the troposphere, the density of atmospheric gasses diminishes with increasing altitude. This drop in density is accompanied by a corresponding drop in temperature, consistent with the ideal gas law. read more

Since the equatorial atmosphere is warmer than the polar atmosphere, the height of equatorial tropopause can be as high as 18 km to 20 km. In contrast, the polar tropopause can be as low as 6 km. To answer your question, the thickness of the troposphere is determined by locating the tropopause. read more

Atop the troposphere is the tropopause, which is the border between the troposphere and stratosphere. The tropopause is an inversion layer, where the air temperature ceases to decrease with height and remains constant through its thickness. read more

So far we have not talked about the revolution of earth around Sun. This motion causes seasons on the earth. It is not difficult to understand then that the thickness of the troposphere varies with the season but to answer your question remains the maximum at equator at all times. read more

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