Continued increase of CFC-113a (CCl3CF3) mixing ratios in the global atmosphere: Emissions, occurrence and potential sources

• Main Authors: Adcock, Karina E., Reeves, Claire E., Gooch, Lauren J., Leedham Elvidge, Emma C., Ashfold, Matthew J., Brenninkmeijer, Carl A.M., Chou, Charles, Fraser, Paul J., Langenfelds, Ray L., Mohd Hanif, Norfazrin, O'Doherty, Simon, Oram, David E., Ou-Yang, Chang-Feng, Phang, Siew Moi, Samah, Azizan Abu, Röckmann, Thomas, Sturges, William T., Laube, Johannes C.
• Format: Article
• Published: Copernicus Publications 2018
• Subjects: Q Science (General); QD Chemistry; QH Natural history
• Online Access: http://eprints.um.edu.my/22705/; https://doi.org/10.5194/acp-18-4737-2018

Atmospheric measurements of the ozone-depleting substance CFC-113a (CCl3CF3) are reported from ground-based stations in Australia, Taiwan, Malaysia and the United Kingdom, together with aircraft-based data for the upper troposphere and lower stratosphere. Building on previous work, we find that, sin...