Articles | Volume 20, issue 8
Atmos. Chem. Phys., 20, 4787–4807, 2020
https://doi.org/10.5194/acp-20-4787-2020
Atmos. Chem. Phys., 20, 4787–4807, 2020
https://doi.org/10.5194/acp-20-4787-2020

Research article 24 Apr 2020

Research article | 24 Apr 2020

Trends and emissions of six perfluorocarbons in the Northern Hemisphere and Southern Hemisphere

Elise S. Droste et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Elise Droste on behalf of the Authors (21 Feb 2020)  Author's response    Manuscript
ED: Publish as is (12 Mar 2020) by Drew Gentner
AR by Elise Droste on behalf of the Authors (21 Mar 2020)  Author's response    Manuscript
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Short summary
We update the tropospheric trends and emissions of six perfluorocarbon (PFC) gases, including separate isomers. Trends for these strong greenhouse gases are still increasing, but at slower rates than previously. The lack of natural sinks results in the global accumulation of 833 million metric tonnes of CO2 equivalent for these six PFCs by 2017. Modelling results indicate potential source regions and types in East Asia, but we find that many emissions are unaccounted for in emission reports.
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