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Title:Evolution of organic aerosols in the atmosphere
Authors:ID Jimenez, Jose L. (Author)
ID Canagaratna, M. R. (Author)
ID Donahue, N. M. (Author)
ID Prevot, A. S. H. (Author)
ID Zhang, Q. (Author)
ID Kroll, J. H. (Author)
ID DeCarlo, P. F. (Author)
ID Allan, J. David (Author)
ID Coe, H. (Author)
ID Džepina, Katja (Author)
Files:This document has no files that are freely available to the public. This document may have a physical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract: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.
Keywords:secondary organic aerosol, source apportionment, aerodyne aerosol mass spectrometer, global field measurements, laboratory experiments
Year of publishing:2009
Number of pages:str. 1525-1529
Numbering:Vol. 326, iss. 5959
PID:20.500.12556/RUNG-6456 New window
COBISS.SI-ID:59051267 New window
ISSN on article:0036-8075
DOI:10.1126/science.1180353 New window
Publication date in RUNG:11.04.2021
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Shortened title:Science
Publisher:American Association for the Advancement of Science
COBISS.SI-ID:2908687 New window