Why mesosphere temperature decreases with height?

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SUMMARY

The temperature in the mesosphere decreases with height primarily due to radiative cooling, where atmospheric molecules emit more energy than they absorb. This phenomenon occurs because, at higher altitudes, the density of air decreases, leading to fewer collisions and less heat retention. The discussion highlights the importance of understanding radiative processes in the mesosphere, supported by links to relevant resources for further exploration.

PREREQUISITES
  • Understanding of atmospheric layers: troposphere, stratosphere, and mesosphere
  • Basic knowledge of thermodynamics and energy transfer
  • Familiarity with radiative cooling concepts
  • Ability to interpret scientific literature on atmospheric science
NEXT STEPS
  • Research "radiative cooling in the mesosphere" for in-depth understanding
  • Explore "atmospheric density and temperature profiles" to grasp altitude effects
  • Study "energy absorption and emission by atmospheric molecules" for detailed mechanisms
  • Review "scientific papers on atmospheric thermodynamics" for advanced insights
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Atmospheric scientists, meteorologists, and students studying environmental science who seek to deepen their understanding of temperature variations in the mesosphere.

vrinda mukund
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I was trying to understand the temperature profile of the atmosphere. I am clear with what causes the temperature variation in troposphere and stratosphere. But when coming to mesosphere i can't understand why temperature decreases with height. It is given that it is due to radiative cooling. i.e molecules emits more energy than they absorb. But why it is so? Can someone please explain the concept?
 
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