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Evolution of Organic Aerosols in the Atmosphere

Jimenez, J. L. (author)
Canagaratna, M. R. (author)
Donahue, N. M. (author)
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Prevot, A. S. H. (author)
Zhang, Q. (author)
Kroll, J. H. (author)
DeCarlo, P. F. (author)
Allan, J. D. (author)
Coe, H. (author)
Ng, N. L. (author)
Aiken, A. C. (author)
Docherty, K. S. (author)
Ulbrich, I. M. (author)
Grieshop, A. P. (author)
Robinson, A. L. (author)
Duplissy, J. (author)
Smith, J. D. (author)
Wilson, K. R. (author)
Lanz, V. A. (author)
Hueglin, C. (author)
Sun, Y. L. (author)
Tian, J. (author)
Laaksonen, A. (author)
Raatikainen, T. (author)
Rautiainen, J. (author)
Vaattovaara, P. (author)
Ehn, M. (author)
Kulmala, Markku (author)
Stockholms universitet,Institutionen för tillämpad miljövetenskap (ITM)
Tomlinson, J. M. (author)
Collins, D. R. (author)
Cubison, M. J. (author)
Dunlea, E. J. (author)
Huffman, J. A. (author)
Onasch, T. B. (author)
Alfarra, M. R. (author)
Williams, P. I. (author)
Bower, K. (author)
Kondo, Y. (author)
Schneider, J. (author)
Drewnick, F. (author)
Borrmann, S. (author)
Weimer, S. (author)
Demerjian, K. (author)
Salcedo, D. (author)
Cottrell, L. (author)
Griffin, R. (author)
Takami, A. (author)
Miyoshi, T. (author)
Hatakeyama, S. (author)
Shimono, A. (author)
Sun, J. Y. (author)
Zhang, Y. M. (author)
Dzepina, K. (author)
Kimmel, J. R. (author)
Sueper, D. (author)
Jayne, J. T. (author)
Herndon, S. C. (author)
Trimborn, A. M. (author)
Williams, L. R. (author)
Wood, E. C. (author)
Middlebrook, A. M. (author)
Kolb, C. E. (author)
Baltensperger, U. (author)
Worsnop, D. R. (author)
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 (creator_code:org_t)
American Association for the Advancement of Science (AAAS), 2009
2009
English.
In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 326:5959, s. 1525-1529
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Organic aerosol (OA) particles affect climate forcing and human health, but their sources and evolution remain poorly characterized. We present 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. OA and OA precursor gases evolve by becoming increasingly oxidized, less volatile, and more hygroscopic, leading to the formation of oxygenated organic aerosol (OOA), with concentrations comparable to those of sulfate aerosol throughout the Northern Hemisphere. Our model framework captures the dynamic aging behavior observed in both the atmosphere and laboratory: It can serve as a basis for improving parameterizations in regional and global models.

Subject headings

NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)

Keyword

secondary
mass
emissions
pittsburgh
chemistry
oxidation
campaign
growth
model
Earth sciences
Geovetenskap

Publication and Content Type

ref (subject category)
art (subject category)

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