气候变化领域集成服务门户(CCPortal): Rapid cloud removal of dimethyl sulfide oxidation products limits SO2 and cloud condensation nuclei production in the marine atmosphere

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DOI	10.1073/pnas.2110472118
	Rapid cloud removal of dimethyl sulfide oxidation products limits SO2 and cloud condensation nuclei production in the marine atmosphere
	Novak G.A.; Fite C.H.; Holmes C.D.; Veres P.R.; Neuman J.A.; Faloona I.; Thornton J.A.; Wolfe G.M.; Vermeuel M.P.; Jernigan C.M.; Peischl J.; Ryerson T.B.; Thompson C.R.; Bourgeois I.; Warneke C.; Gkatzelis G.I.; Coggon M.M.; Sekimoto K.; Bui T.P.; Dean-Day J.; Diskin G.S.; DiGangi J.P.; Nowak J.B.; Moore R.H.; Wiggins E.B.; Winstead E.L.; Robinson C.; Thornhill K.L.; Sanchez K.J.; Hall S.R.; Ullmann K.; Dollner M.; Weinzierl B.; Blake D.R.; Bertram T.H.
发表日期	2021
ISSN	0027-8424
卷号	118 期号:42
英文摘要	Oceans emit large quantities of dimethyl sulfide (DMS) to the marine atmosphere. The oxidation of DMS leads to the formation and growth of cloud condensation nuclei (CCN) with consequent effects on Earth’s radiation balance and climate. The quantitative assessment of the impact of DMS emissions on CCN concentrations necessitates a detailed description of the oxidation of DMS in the presence of existing aerosol particles and clouds. In the unpolluted marine atmosphere, DMS is efficiently oxidized to hydroperoxymethyl thioformate (HPMTF), a stable intermediate in the chemical trajectory toward sulfur dioxide (SO2) and ultimately sulfate aerosol. Using direct airborne flux measurements, we demonstrate that the irreversible loss of HPMTF to clouds in the marine boundary layer determines the HPMTF lifetime (τHPMTF < 2 h) and terminates DMS oxidation to SO2. When accounting for HPMTF cloud loss in a global chemical transport model, we show that SO2 production from DMS is reduced by 35% globally and near-surface (0 to 3 km) SO2 concentrations over the ocean are lowered by 24%. This large, previously unconsidered loss process for volatile sulfur accelerates the timescale for the conversion of DMS to sulfate while limiting new particle formation in the marine atmosphere and changing the dynamics of aerosol growth. This loss process potentially reduces the spatial scale over which DMS emissions contribute to aerosol production and growth and weakens the link between DMS emission and marine CCN production with subsequent implications for cloud formation, radiative forcing, and climate. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Cloud condensation nuclei; Cloud processing; Dimethyl sulfide; Marine sulfur; Sulfate aerosol
语种	英语
scopus关键词	dimethyl sulfide; hydroperoxymethyl thioformate; ozone; sulfate; sulfur dioxide; unclassified drug; volatile organic compound; advection; aircraft; Article; atmosphere; atmospheric transport; boundary layer; cloud; cloud condensation nucleus; oxidation; photolysis; sea; solar radiation; troposphere; wind speed
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/238340
作者单位	Department of Chemistry, University of Wisconsin–Madison, Madison, WI 53706, United States; Department of Earth, Ocean, and Atmospheric Science, Florida State University, Tallahassee, FL 32306, United States; National Oceanic and Atmospheric Administration Chemical Sciences Laboratory, Boulder, CO 80305, United States; Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO 80309, United States; Department of Land, Air and Water Resources, University of California, Davis, CA 95616, United States; Department of Atmospheric Science, University of Washington, Seattle, WA 98195, United States; Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, United States; Graduate School of Nanobioscience, Yokohama City University, Yokohama, 2360027, Japan; NASA Ames Research Center, Mountain View, CA 94035, United States; Bay Area Environment Research Institute, Moffett Field, CA 94035, United States; NASA Langley...
推荐引用方式 GB/T 7714	Novak G.A.,Fite C.H.,Holmes C.D.,et al. Rapid cloud removal of dimethyl sulfide oxidation products limits SO2 and cloud condensation nuclei production in the marine atmosphere[J],2021,118(42).
APA	Novak G.A..,Fite C.H..,Holmes C.D..,Veres P.R..,Neuman J.A..,...&Bertram T.H..(2021).Rapid cloud removal of dimethyl sulfide oxidation products limits SO2 and cloud condensation nuclei production in the marine atmosphere.Proceedings of the National Academy of Sciences of the United States of America,118(42).
MLA	Novak G.A.,et al."Rapid cloud removal of dimethyl sulfide oxidation products limits SO2 and cloud condensation nuclei production in the marine atmosphere".Proceedings of the National Academy of Sciences of the United States of America 118.42(2021).