气候变化领域集成服务门户(CCPortal): Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere

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DOI	10.1073/pnas.1919344117
	Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere
	Veres P.R.; Andrew Neuman J.; Bertram T.H.; Assaf E.; Wolfe G.M.; Williamson C.J.; Weinzierl B.; Tilmes S.; Thompson C.R.; Thames A.B.; Schroder J.C.; Saiz-Lopez A.; Rollins A.W.; Roberts J.M.; Price D.; Peischl J.; Nault B.A.; Møller K.H.; Miller D.O.; Meinardi S.; Li Q.; Lamarque J.-F.; Kupc A.; Kjaergaard H.G.; Kinnison D.; Jimenez J.L.; Jernigan C.M.; Hornbrook R.S.; Hills A.; Dollner M.; Day D.A.; Cuevas C.A.; Campuzano-Jost P.; Burkholder J.; Paul Bui T.; Brune W.H.; Brown S.S.; Brock C.A.; Bourgeois I.; Blake D.R.; Apel E.C.; Ryerson T.B.
发表日期	2020
ISSN	0027-8424
起始页码	4505
结束页码	4510
卷号	117 期号:9
英文摘要	Dimethyl sulfide (DMS), emitted from the oceans, is the most abundant biological source of sulfur to the marine atmosphere. Atmospheric DMS is oxidized to condensable products that form secondary aerosols that affect Earth's radiative balance by scattering solar radiation and serving as cloud condensation nuclei. We report the atmospheric discovery of a previously unquantified DMS oxidation product, hydroperoxymethyl thioformate (HPMTF, HOOCH2SCHO), identified through global-scale airborne observations that demonstrate it to be a major reservoir of marine sulfur. Observationally constrained model results show that more than 30% of oceanic DMS emitted to the atmosphere forms HPMTF. Coincident particle measurements suggest a strong link between HPMTF concentration and new particle formation and growth. Analyses of these observations show that HPMTF chemistry must be included in atmospheric models to improve representation of key linkages between the biogeochemistry of the ocean, marine aerosol formation and growth, and their combined effects on climate. © 2020 National Academy of Sciences. All rights reserved.
英文关键词	Aerosol sulfate; Autoxidation; Dimethyl sulfide; Marine aerosols; Marine sulfur
语种	英语
scopus关键词	chemical compound; dimethyl sulfide; hydroperoxymethyl thioformate; unclassified drug; aerosol; airborne particle; Article; atmosphere; autooxidation; concentration (parameter); limit of detection; marine environment; oxidation; particulate matter; priority journal; surface area
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/161036
作者单位	Veres, P.R., Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305, United States; Andrew Neuman, J., Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305, United States, Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO 80309, United States; Bertram, T.H., Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, United States; Assaf, E., Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305, United States, Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO 80309, United States; Wolfe, G.M., Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, United States, Joint Center for Earth Systems Technology,...
推荐引用方式 GB/T 7714	Veres P.R.,Andrew Neuman J.,Bertram T.H.,et al. Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere[J],2020,117(9).
APA	Veres P.R..,Andrew Neuman J..,Bertram T.H..,Assaf E..,Wolfe G.M..,...&Ryerson T.B..(2020).Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere.Proceedings of the National Academy of Sciences of the United States of America,117(9).
MLA	Veres P.R.,et al."Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere".Proceedings of the National Academy of Sciences of the United States of America 117.9(2020).