Journal ArticleDOI
Budget of organic carbon in a polluted atmosphere: Results from the New England Air Quality Study in 2002
J. A. de Gouw,J. A. de Gouw,Ann M. Middlebrook,Carsten Warneke,Carsten Warneke,Paul D. Goldan,William C. Kuster,James M. Roberts,Fred C. Fehsenfeld,Doug Worsnop,Manjula R. Canagaratna,Alexander A. P. Pszenny,William C. Keene,M. Marchewka,S. B. Bertman,Timothy S. Bates +15 more
TLDR
In this article, an extensive set of volatile organic compounds (VOCs) and particulate organic matter (POM) was measured in polluted air during the New England Air Quality Study in 2002.Abstract:
[1] An extensive set of volatile organic compounds (VOCs) and particulate organic matter (POM) was measured in polluted air during the New England Air Quality Study in 2002. Using VOC ratios, the photochemical age of the sampled air masses was estimated. This approach was validated (1) by comparing the observed rates at which VOCs were removed from the atmosphere with the rates expected from OH oxidation, (2) by comparing the VOC emission ratios inferred from the data with the average composition of urban air, and (3) by the ability to describe the increase of an alkyl nitrate with time in terms of the chemical kinetics. A large part of the variability observed for oxygenated VOCs (OVOCs) and POM could be explained by a description that includes the removal of the primary anthropogenic emissions, the formation and removal of secondary anthropogenic species, and a biogenic contribution parameterized by the emissions of isoprene. The OVOC sources determined from the data are compared with the available literature, and a satisfactory agreement is obtained. The observed sub-μm POM was highly correlated with secondary anthropogenic gas-phase species, strongly suggesting that the POM was from secondary anthropogenic sources. The results are used to describe the speciation and total mass of gas- and particle-phase organic carbon as a function of the photochemical age of an urban air mass. Shortly after emission the organic carbon mass is dominated by primary VOCs, while after two days the dominant contribution is from OVOCs and sub-μm POM. The total measured organic carbon mass decreased by about 40% over the course of two days. The increase in sub-μm POM could not be explained by the removal of aromatic precursors alone, suggesting that other species must have contributed and/or that the mechanism for POM formation is more efficient than previously assumed.read more
Citations
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Journal ArticleDOI
The formation, properties and impact of secondary organic aerosol: current and emerging issues
Mattias Hallquist,John C. Wenger,Urs Baltensperger,Yinon Rudich,David Simpson,David Simpson,Magda Claeys,J. Dommen,Neil M. Donahue,Christian George,Christian George,Allen H. Goldstein,Jacqueline F. Hamilton,Hartmut Herrmann,Thorsten Hoffmann,Yoshiteru Iinuma,Myoseon Jang,Michael E. Jenkin,Jose L. Jimenez,Astrid Kiendler-Scharr,Willy Maenhaut,Gordon McFiggans,Th. F. Mentel,Anne Monod,André S. H. Prévôt,John H. Seinfeld,Jason D. Surratt,Rafal Szmigielski,Jürgen Wildt +28 more
TL;DR: In this article, an overview of the atmospheric degradation mechanisms for SOA precursors, gas-particle partitioning theory and analytical techniques used to determine the chemical composition of SOA is presented.
Journal ArticleDOI
Evolution of Organic Aerosols in the Atmosphere
Jose L. Jimenez,Manjula R. Canagaratna,Neil M. Donahue,André S. H. Prévôt,Qi Zhang,Jesse H. Kroll,Peter F. DeCarlo,James Allan,Hugh Coe,Nga L. Ng,Allison C. Aiken,Kenneth S. Docherty,Ingrid M. Ulbrich,Andrew P. Grieshop,Allen L. Robinson,Jonathan Duplissy,Jared D. Smith,Kevin R. Wilson,V. A. Lanz,Christoph Hueglin,Yele Sun,Yele Sun,Jian Tian,Ari Laaksonen,Tomi Raatikainen,Tomi Raatikainen,J. Rautiainen,Petri Vaattovaara,Mikael Ehn,Markku Kulmala,Markku Kulmala,Jason Tomlinson,Don R. Collins,Michael J. Cubison,Edward J. Dunlea,J. A. Huffman,Timothy B. Onasch,M. R. Alfarra,Paul I. Williams,Keith Bower,Yutaka Kondo,Johannes Schneider,Frank Drewnick,Stephan Borrmann,S. Weimer,Kenneth L. Demerjian,D. Salcedo,L. Cottrell,Robert J. Griffin,Akinori Takami,Takao Miyoshi,Shiro Hatakeyama,Akio Shimono,J. Y. Sun,Y. M. Zhang,Katja Dzepina,Joel R. Kimmel,Donna Sueper,J. T. Jayne,Scott C. Herndon,A. Trimborn,Leah R. Williams,Ezra C. Wood,Ann M. Middlebrook,Charles E. Kolb,Urs Baltensperger,Douglas R. Worsnop +66 more
TL;DR: A unifying model framework describing the atmospheric evolution of OA that is constrained by high–time-resolution measurements of its composition, volatility, and oxidation state is presented, which can serve as a basis for improving parameterizations in regional and global models.
Journal ArticleDOI
Ubiquity and dominance of oxygenated species in organic aerosols in anthropogenically-influenced Northern Hemisphere midlatitudes
Qi Zhang,Jose L. Jimenez,Manjula R. Canagaratna,James Allan,Hugh Coe,Ingrid M. Ulbrich,M. R. Alfarra,Akinori Takami,Ann M. Middlebrook,Yele Sun,Katja Dzepina,Edward J. Dunlea,Kenneth S. Docherty,Peter F. DeCarlo,D. Salcedo,Timothy B. Onasch,J. T. Jayne,Takao Miyoshi,A. Shimono,Shiro Hatakeyama,Nobuyuki Takegawa,Yutaka Kondo,Johannes Schneider,Frank Drewnick,Stephan Borrmann,Silke Weimer,Kenneth L. Demerjian,Paul I. Williams,Keith Bower,Roya Bahreini,Roya Bahreini,L. Cottrell,Robert J. Griffin,J. Rautiainen,J. Y. Sun,Yaping Zhang,D. R. Worsnop +36 more
TL;DR: In this article, organic aerosol data acquired by the AMS in 37 field campaigns were deconvolved into hydrocarbon-like OA (HOA) and several types of oxygenated OA components.
Journal ArticleDOI
Rethinking Organic Aerosols: Semivolatile Emissions and Photochemical Aging
Allen L. Robinson,Neil M. Donahue,Manish Shrivastava,Emily A. Weitkamp,Amy M. Sage,Andrew P. Grieshop,Timothy E. Lane,Jeffrey R. Pierce,Spyros N. Pandis,Spyros N. Pandis +9 more
TL;DR: Accounting for partitioning and photochemical processing of primary emissions creates a more regionally distributed aerosol and brings model predictions into better agreement with observations, attribute this unexplained secondary organic-aerosol production to the oxidation of low-volatility gas-phase species.
Journal ArticleDOI
Chemical and microphysical characterization of ambient aerosols with the aerodyne aerosol mass spectrometer
Manjula R. Canagaratna,John T. Jayne,Jose L. Jimenez,James Allan,M. R. Alfarra,Qi Zhang,Timothy B. Onasch,Frank Drewnick,Hugh Coe,Ann M. Middlebrook,A. E. Delia,Leah R. Williams,A. Trimborn,M. J. Northway,Peter F. DeCarlo,Charles E. Kolb,Paul Davidovits,Douglas R. Worsnop +17 more
TL;DR: A detailed discussion of the strengths and limitations of the AMS measurement approach is presented and how the measurements are used to characterize particle properties are reviewed to highlight the different applications of this instrument.
References
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Journal ArticleDOI
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TL;DR: The authors revisited common assumptions for estimating PM2.5 mass concentration and found that these assumptions can be used to estimate organic mass in a wide range of scenarios, such as PM1.5.
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James B. Burkholder,Stanley P. Sander,Jonathan P. D. Abbatt,John R. Barker,Robert E. Huie,Charles E. Kolb,M. J. Kurylo,Vladimir L. Orkin,David M. Wilmouth,Paul H. Wine +9 more
TL;DR: This is the eighteenth in a series of evaluated sets of rate constants, photochemical cross sections, heterogeneous parameters, and thermochemical parameters compiled by the NASA Panel for Data Evaluation as mentioned in this paper.
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