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Fil:HCFC22 concentration.jpg

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Beskrivelse

Beskrivelse
English: Graph shows the concentration of chlorodifluoromethane (HCFC-22, R-22, CHClF2) in earth's atmosphere versus time and latitude. X-axis data interval is monthly. Y-axis concentration is parts per trillion.

Atmospheric samples were gathered within evacuated flasks from 8-12 ground stations distributed over the northern (positive latitudes) and southern hemispheres, then sealed and transported to Boulder Colorado for analysis. Most emissions originate at northern latitudes, and are mixed through the troposphere of both hemispheres after about 1-2 years.

Data sampling and analysis by:
Halocarbons and Other Atmospheric Trace Species Group / Global Monitoring Division / Earth Systems Research Laboratories / United States National Oceanic and Atmospheric Administration

https://www.esrl.noaa.gov/gmd/hats/
Dato
Kilde https://www.esrl.noaa.gov/gmd/hats/gases/HCFC22.html
Forfatter NOAA
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Licensering

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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Captions

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Growth in Chlorodifluoromethane (HCFC-22) atmospheric concentration since year 1993

Elementer som er med i denne fil

afbilder

Chlordifluormethan

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Dato/tidMiniaturebilledeDimensionerBrugerKommentar
nuværende9. feb. 2024, 04:06Miniature af versionen fra 9. feb. 2024, 04:06818 × 374 (53 KB)Bikesrcoolupdate February 2024, zonal
8. feb. 2021, 16:38Miniature af versionen fra 8. feb. 2021, 16:38820 × 376 (47 KB)BikesrcoolUploaded a work by NOAA from https://www.esrl.noaa.gov/gmd/hats/gases/HCFC22.html with UploadWizard

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