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Radiation balance (885 words) |
 | Direct solar radiation (S) is shortwave radiation able to penetrate through the atmosphere without having been affected by constituents of the atmosphere in any way. |
| Diffuse radiation (D) is shortwave radiation that has been scattered by gases in the atmosphere. |
| The energy absorbed at the surface is radiated by the Earth as terrestrial longwave radiation (L↑). |
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Encyclopedia: Electromagnetic radiation (3503 words) |
| The physics of electromagnetic radiation is electrodynamics, a subfield of electromagnetism. |
| Generally, EM radiation is classified by wavelength into electrical energy, radio, microwave, infrared, the visible region we perceive as light, ultraviolet, X-rays and gamma rays. |
| EM radiation with a wavelength between 400 nm and 700 nm is detected by the human eye and perceived as visible light. |
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