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Concept information

environment > climate system > atmosphere

Preferred term

atmosphere  

Definition(s)

  • A layer of gas or layers of gases that envelope a planet, and is held in place by the gravity of the planetary body. The atmosphere of Earth is composed of nitrogen (78%), oxygen (21%), argon (0.9%), carbon dioxide (0.04%) and trace gases. The layered composition of the atmosphere minimises the harmful effects of sunlight, ultraviolet radiation, the solar wind, and cosmic rays to protect organisms from genetic damage. (Source: Wikipedia)

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URI

http://data.loterre.fr/ark:/67375/CHC-C20CPLTZ-M

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