What is Heat Budget of the Earth?
The heat budget of the atmosphere is the amount of heat that is required to raise the temperature of the water lakes to a maximum level in the summers. The heat budget of the atmosphere is a combination of the-
- 34% of radiations from the outgoing long-wave terrestrial,
- 48% of the solar radiation, and
- 14% of the radiations emerging from the shortwaves that enter the solar radiations.
About 30% of all solar energy that reaches Earth is reflected back into space by Earth's atmosphere, clouds, and surface. The other 23% of energy is absorbed by water vapour, clouds, and dust in the atmosphere, which is converted into heat.
Solar radiation is assimilated by ocean and land, and the Earth's surface gets heated with this energy. The atmosphere receives energy absorbed by the Earth through three processes: radiation, conduction, and latent heat.
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