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Abrupt reversal in emissions and atmospheric abundance of HCFC-133a (CF3CH2Cl)

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dc.contributor.authorVollmer, Martin K.-
dc.contributor.authorRigby, Matt-
dc.contributor.authorLaube, Johannes C.-
dc.contributor.authorHenne, Stephan-
dc.contributor.authorRhee, Tae Siek-
dc.contributor.authorGooch, Lauren J.-
dc.contributor.authorWenger, Angelina-
dc.contributor.authorYoung, Dickon-
dc.contributor.authorSteele, L. Paul-
dc.contributor.authorLangenfelds, Ray L.-
dc.contributor.authorBrenninkmeijer, Carl A. M.-
dc.contributor.authorWang, Jia-Lin-
dc.contributor.authorOu-Yang, Chang-Feng-
dc.contributor.authorWyss, Simon A.-
dc.contributor.authorHill, Matthias-
dc.contributor.authorOram, David E.-
dc.contributor.authorKrummel, Paul B.-
dc.contributor.authorSchoenenberger, Fabian-
dc.contributor.authorZellweger, Christoph-
dc.contributor.authorFraser, Paul J.-
dc.contributor.authorSturges, William T.-
dc.contributor.authorO’Doherty, Simon-
dc.contributor.authorReimann, Stefan-
dc.coverage.spatialKing Sejong Station-
dc.date.accessioned2017-08-03T12:53:21Z-
dc.date.available2017-08-03T12:53:21Z-
dc.date.issued2015-
dc.description.abstractHydrochlorofluorocarbon HCFC-133a (CF<sub>3</sub>CH<sub>2</sub>Cl) is an anthropogenic compound whose consumption for emissive use is restricted under the Montreal Protocol. A recent study showed rapidly increasing atmospheric abundances and emissions. We report that, following this rise, the atmospheric abundance and emissions have declined sharply in the past three years. We find a Northern Hemisphere HCFC-133a increase from 0.13 ppt (dry-air mole fraction in parts per trillion) in 2000 to 0.50 ppt in 2012-mid-2013 followed by an abrupt drop to ∼0.44 ppt by early 2015. Global emissions derived from these observations peaked at 3.1 kt in 2011, followed by a rapid decline of ∼0.5 kt yr<sup>-2</sup> to reach 1.5 kt yr<sup>-1</sup> in 2014. Sporadic HCFC-133a pollution events are detected in Europe from our high-resolution HCFC-133a records at three European stations, and in Asia from samples collected in Taiwan. European emissions are estimated to be <0.1 kt yr<sup>-1</sup> although emission hot spots were identified in France.-
dc.languageEnglish-
dc.subjectGeology-
dc.titleAbrupt reversal in emissions and atmospheric abundance of HCFC-133a (CF3CH2Cl)-
dc.typeArticle-
dc.identifier.bibliographicCitationVollmer, Martin K., et al. 2015. "Abrupt reversal in emissions and atmospheric abundance of HCFC-133a (CF3CH2Cl)". <em>Geophysical Research Letters</em>, 42: 8702-8710.-
dc.citation.titleGeophysical Research Letters-
dc.citation.volume42-
dc.citation.page8702-8710.-
dc.identifier.doi10.1002/2015GL065846.-
dc.coverage.x46.5ºN-
dc.coverage.x53.3ºN-
dc.coverage.x40.7ºS-
dc.coverage.x62.2ºS-
dc.coverage.y8.0ºE-
dc.coverage.y9.9°W-
dc.coverage.y144.7ºE-
dc.coverage.y58.8ºW-
dc.subject.keywordAtmospheric abundances-
dc.subject.keywordEmission-
dc.subject.keywordHCFC-133a-
dc.coverage.degreeX46.5-
dc.coverage.degreeX53.3-
dc.coverage.degreeX-40.7-
dc.coverage.degreeX-62.2-
dc.coverage.degreeY8-
dc.coverage.degreeY144.7-
dc.coverage.degreeY-9.9-
dc.coverage.degreeY-58.8-
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2015-2016, Human Impact Evaluation on The Antarctic Environment Caused by The Antarctic Research Station Operation and Construction of Long-Term Environmental Database (15-16) / Kim; Sanghee
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