Global radiation balance ultimately controls the climate of the Earth and thus plays an important role in the functioning of all ecosystems. The two key components of the global radiation balance are solar radiation, which is emitted by the Sun, and terrestrial radiation, which is emitted by the Earth's surface and atmosphere. Besides regulating climate, solar radiation is vital for sustaining life on our planet, given that almost all living organisms need sunlight for their well-being. This article discusses the global radiation balance and its main components, including solar radiation and its spectrum.
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