File:N2O Nitrous oxyde Protoxyde d'azote évolution selon la NOAA 1975 2015.jpg

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Evolution over time of the contents of the Earth's atmosphere of nitrous oxide N2O, a greenhouse gase

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Description
Français : évolution temporelle de la teneur en N20 (protoxyde d'azote) dans l'atmosphère (gaz à effet de serre, et détruisant la couche d'ozone), d'après les données chiffrées retenues par la NOAA (voir aussi sur Commons, une comparaison avec 3 autres gaz à effet de serre, montrant notamment une croissance aussi régulière que celle du CO2 : File:Major_greenhouse_gas_trends.png Unité : ppmv (parties par milliard en volume)
English: Evolution over time of the contents of the Earth's atmosphere of N2O, a greenhouse gase ; Nitrous oxide occurs in small amounts in the atmosphere, but recently has been found to be a major scavenger of stratospheric ozone, with an impact comparable to that of CFCs. It is estimated that 30% of the N2O in the atmosphere is the result of human activity, chiefly agriculture. English name of the unit = parts per billons (PPB) This image is a derivative work of data from the National Oceanic and Atmospheric Administration, from a course of an employee's official duties. As works of the U.S. federal government, all NOAA images are in the public domain
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Author Lamiot


Public domain
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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current10:59, 25 May 2019Thumbnail for version as of 10:59, 25 May 20193,349 × 2,661 (516 KB)Lamiot (talk | contribs)User created page with UploadWizard

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