Articles | Volume 20, issue 8
https://doi.org/10.5194/acp-20-4787-2020
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, Karina E. Adcock, Matthew J. Ashfold, Charles Chou, Zoë Fleming, Paul J. Fraser, Lauren J. Gooch, Andrew J. Hind, Ray L. Langenfelds, Emma C. Leedham Elvidge, Norfazrin Mohd Hanif, Simon O'Doherty, David E. Oram, Chang-Feng Ou-Yang, Marios Panagi, Claire E. Reeves, William T. Sturges, and Johannes C. Laube

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Latest update: 15 Jun 2024
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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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