Interactive comment on “Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs low-yield pathways” by D. K. Henze et al
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Interactive comment on “Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs low-yield pathways” by D. K. Henze et al
The study by Henze et al. ”Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: Highvs low-yield pathways” investigates the global relevance of recent simulation chamber results that parameterize the NOx dependence of SOA yields from benzene, toluene and m-xylene, by Ng et al. (2007). The paper is generally well written, and presents the results on the NOx dependen...
متن کاملModeling SOA from aromatics
Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: highvs low-yield pathways D. K. Henze, J. H. Seinfeld, N. L. Ng, J. H. Kroll, T. -M. Fu, D. J. Jacob, and C. L. Heald Department of Chemical Engineering, California Institute of Technology, Pasadena, California, USA Aerodyne Research, Inc., Billerica, Massachusetts, USA School of Engineering and Applied Sciences ...
متن کاملGlobal modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs. low-yield pathways
Formation of SOA from the aromatic species toluene, xylene, and, for the first time, benzene, is added to a global chemical transport model. A simple mechanism is presented that accounts for competition between low and high-yield pathways of SOA formation, wherein secondary gas-phase products react further with either nitric oxide (NO) or hydroperoxy radical (HO2) to yield semior non-volatile p...
متن کاملComment on ‘ ‘ Instantaneous secondary organic aerosol yields and their comparison with overall aerosol yields for aromatic and biogenic hydrocarbons ’ ’ by Weimin Jiang
In the introduction to the Technical Note, ‘‘Instantaneous secondary organic aerosol yields and their comparison with overall aerosol yields for aromatic and biogenic hydrocarbons’’, Jiang (2003) states that ‘‘[t]o model the formation of secondary organic aerosol, SOA, a concept called aerosol yield (or SOA yield), loosely defined as the SOA mass formed per unit mass of reactive organic gas (RO...
متن کاملGlobal secondary organic aerosol from isoprene oxidation
[1] Inclusion of isoprene as a source of secondary organic aerosol (SOA) in a global model increases the global burden of SOA from all sources by more than a factor of two. The isoprene source substantially increases SOA concentrations in the free troposphere, because isoprene, and, more importantly, isoprene’s oxidation products, have much greater concentrations at higher altitudes than other ...
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تاریخ انتشار 2008