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Why do temperatures increase throughout the stratosphere?

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From 20 to about 50 kilometers is the stratosphere. In this region the air actually warms with height. Ozone is concentrated in this part of the atmosphere and it absorbs ultraviolet light from the Sun. More light is absorbed at higher altitudes compared to the lower stratosphere, so the temperature increases. read more

The reason the atmosphere gets colder in the troposphere the further you go up is because the earths surface is heated by the sun. Thus, the further you get from the surface the colder it gets. The opposite is true in the stratosphere. The stratosphere gets progressively warmer the higher you go because the ozone layer is located in the stratosphere. read more

Ozone absorbs more ultraviolet radiation than does air in the troposphere. As a result, the stratosphere is heated, and air gradually increases in temperature to the top of the layer, called the startopause. read more

There are multiple reasons which lead to the increase in temperature in stratosphere . Stratosphere contains ozone and it is formed when UV rays from the sun falls on the Oxygen molecule which leads to the formation of ozone . read more

And because of that reaction/ where it takes place, the heating of the stratosphere is opposite the troposphere. This is also the reason why the stratosphere is a relatively stable region of the atmosphere with virtually no vertical mixing. read more

The base of the stratosphere occurs where heating by conduction from above and heating by convection from below (through the troposphere) balance out; hence, the stratosphere begins at lower altitudes near the poles due to the lower ground temperature.The major reason for the temperature increase with altitude is that most of the ozone (O3) is contained in the stratosphere. read more

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