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1. What is a temperature inversion in the atmosphere?
2. Where do the temperature inversions occur in the atmosphere?
3. What causes the major temperature inversions in the atmosphere?

Respuesta :

1. temperature inversion, condition in which the temperature of the atmosphere increases with altitude in contrast to the normal decrease with altitude. When temperature inversion occurs, cold air underlies warmer air at higher altitudes.

2.In meteorology, temperature inversions occur in the layer of the atmosphere closest to the Earth's surface, known as the troposphere. Temperature inversions in the atmosphere occur when a cool layer of air close to the Earth's surface is covered by a warm layer above.

3. Temperatures get warmer as go aloft. This happens a lot after rain with radiational cooling, or a frontal passage.

Answer:

(1) Inversion of temperature in the atmosphere refers to the changing of the temperature with respect to the elevation. The atmosphere of the earth is divided into-

(a) Troposphere- It covers a distance from the ground surface to a height of about 10-15 km. Here, the temperature decreases with altitude.

(b) Stratosphere- It extends from the height of about 15 km to 50 km and here the temperature increases with the increasing altitude. The ozone is layer is present here.

(c) Mesosphere- It covers a vertical height from about 50 km to 80 km and here the temperature again decreases with height.

(d) Thermosphere- It covers a height from about  80 km to 500 km and the temperature rises with altitude.

(e) Exosphere- It represents the outer part of the atmosphere extending up to space and the region experiences increasing temperature.

(2) This temperature inversion takes place in all the layers of the atmosphere. There is a gradual increase and decrease in temperature from the troposphere to the thermosphere layer.

(3) When the air near the surface of the earth gets heated up, it becomes hot, less dense and the air rises up. As the air rises up, the air cools increasing its density forming a convective cell and clouds are generated. This air when accumulates at the top forms a region that separates from the overlying layer. This causes the temperature inversion in the layers of the atmosphere.

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