globalchange  > 气候变化事实与影响
Scopus ID: 2-s2.0-85059009143
Title:
Rapid increase in ozone-depleting chloroform emissions from China
Author: Fang X.; Park S.; Saito T.; Tunnicliffe R.; Ganesan A.L.; Rigby M.; Li S.; Yokouchi Y.; Fraser P.J.; Harth C.M.; Krummel P.B.; Mühle J.; O’Doherty S.; Salameh P.K.; Simmonds P.G.; Weiss R.F.; Young D.; Lunt M.F.; Manning A.J.; Gressent A.; Prinn R.G.
Source Publication: Nature Geoscience
ISSN: 17520894
Publishing Year: 2019
Volume: 12, Issue:2
pages begin: 89
pages end: 93
Language: 英语
Scopus Keyword: atmospheric chemistry ; atmospheric modeling ; chemical analysis ; chloroform ; global perspective ; Montreal Protocol ; ozone ; Antarctica ; China
English Abstract: Chloroform contributes to the depletion of the stratospheric ozone layer. However, due to its short lifetime and predominantly natural sources, it is not included in the Montreal Protocol that regulates the production and uses of ozone-depleting substances. Atmospheric chloroform mole fractions were relatively stable or slowly decreased during 1990–2010. Here we show that global chloroform mole fractions increased after 2010, based on in situ chloroform measurements at seven stations around the world. We estimate that the global chloroform emissions grew at the rate of 3.5% yr −1 between 2010 and 2015 based on atmospheric model simulations. We used two regional inverse modelling approaches, combined with observations from East Asia, to show that emissions from eastern China grew by 49 (41–59) Gg between 2010 and 2015, a change that could explain the entire increase in global emissions. We suggest that if chloroform emissions continuously grow at the current rate, the recovery of the stratospheric ozone layer above Antarctica could be delayed by several years. © 2018, The Author(s), under exclusive licence to Springer Nature Limited.
Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/122615
Appears in Collections:气候变化事实与影响

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Affiliation: Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, MA, United States; Department of Oceanography, Kyungpook National University, Daegu, South Korea; National Institute for Environmental Studies, Tsukuba, Japan; School of Chemistry, University of Bristol, Bristol, United Kingdom; School of Geographical Sciences, University of Bristol, Bristol, United Kingdom; Climate Science Centre, CSIRO Oceans and Atmosphere, Aspendale, VIC, Australia; Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, United States; Met Office, Exeter, United Kingdom

Recommended Citation:
Fang X.,Park S.,Saito T.,et al. Rapid increase in ozone-depleting chloroform emissions from China[J]. Nature Geoscience,2019-01-01,12(2)
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