File:Mauna Loa HFC-134a (CH2FCF3) concentration.png
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editDescriptionMauna Loa HFC-134a (CH2FCF3) concentration.png |
English: Graph shows the concentration of refrigerant R-134a (HFC-134a) in earth's atmosphere versus time. X-axis data interval is weekly, starting year 1995. Y-axis concentration is picamole per mole (parts per trillion).
Atmospheric samples were gathered within evacuated flasks from the Mauna Loa Observatory Hawaii, then sealed and transported to Boulder Colorado for the analysis. Similar observations gathered from other remote sampling sites around the world validates that these data represent a well-mixed gas throughout the atmosphere. |
Date | |
Source | https://www.esrl.noaa.gov/gmd/dv/iadv/graph.php?code=MLO&program=hats&type=ts |
Author | NOAA |
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editPublic domainPublic domainfalsefalse |
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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current | 02:37, 9 February 2024 | 1,200 × 900 (112 KB) | Bikesrcool (talk | contribs) | update February 2024 | |
02:24, 26 September 2021 | 1,200 × 900 (113 KB) | Bikesrcool (talk | contribs) | 2021 update | ||
13:07, 3 October 2020 | 1,200 × 900 (146 KB) | Bikesrcool (talk | contribs) | Uploaded a work by NOAA from https://www.esrl.noaa.gov/gmd/dv/iadv/graph.php?code=MLO&program=hats&type=ts with UploadWizard |
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