Articles | Volume 22, issue 8
https://doi.org/10.5194/acp-22-5157-2022
https://doi.org/10.5194/acp-22-5157-2022
Research article
 | 
20 Apr 2022
Research article |  | 20 Apr 2022

Top-down and bottom-up estimates of anthropogenic methyl bromide emissions from eastern China

Haklim Choi, Mi-Kyung Park, Paul J. Fraser, Hyeri Park, Sohyeon Geum, Jens Mühle, Jooil Kim, Ian Porter, Peter K. Salameh, Christina M. Harth, Bronwyn L. Dunse, Paul B. Krummel, Ray F. Weiss, Simon O'Doherty, Dickon Young, and Sunyoung Park

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Latest update: 23 Nov 2024
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Short summary
We observed 12-year continuous CH3Br pollution signals at Gosan and estimated anthropogenic CH3Br emissions in eastern China. The analysis revealed a significant discrepancy between top-down estimates and the bottom-up emissions from the fumigation usage reported to the United Nations Environment Programme, likely due to unreported or inaccurately reported fumigation usage. This result provides information to monitor international compliance with the Montreal Protocol.
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