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Title: Nitrate radicals and biogenic volatile organic compounds: Oxidation, mechanisms, and organic aerosol
Authors: Ng, Nga LeeBrown, Steven S.Archibald, Alexander T.Atlas, ElliotCohen, Ronald C.Crowley, John N.Day, Douglas A.Donahue, Neil M.Fry, Juliane L.Fuchs, HendrikGriffin, Robert J.Guzman, Marcelo I.Herrmann, HartmutHodzic, AlmaIinuma, YoshiteruJimenez, José L.Kiendler-Scharr, AstridLee, Ben H.Luecken, Deborah J.Mao, JingqiuMcLaren, RobertMutzel, AnkeOsthoff, Hans D.Ouyang, BinPicquet-Varrault, BenedictePlatt, UlrichPye, Havala O. T.Rudich, YinonSchwantes, Rebecca H.Shiraiwa, ManabuStutz, JochenThornton, Joel A.Tilgner, AndreasWilliams, Brent J.Zaveri, Rahul A.
Publishers Version: https://doi.org/10.5194/acp-17-2103-2017
Issue Date: 2017
Published in: Atmospheric Chemistry and Physics, Volume 17, Issue 3, Page 2103-2162
Publisher: München : European Geopyhsical Union
Abstract: Oxidation of biogenic volatile organic compounds (BVOC) by the nitrate radical (NO3) represents one of the important interactions between anthropogenic emissions related to combustion and natural emissions from the biosphere. This interaction has been recognized for more than 3 decades, during which time a large body of research has emerged from laboratory, field, and modeling studies. NO3-BVOC reactions influence air quality, climate and visibility through regional and global budgets for reactive nitrogen (particularly organic nitrates), ozone, and organic aerosol. Despite its long history of research and the significance of this topic in atmospheric chemistry, a number of important uncertainties remain. These include an incomplete understanding of the rates, mechanisms, and organic aerosol yields for NO3-BVOC reactions, lack of constraints on the role of heterogeneous oxidative processes associated with the NO3 radical, the difficulty of characterizing the spatial distributions of BVOC and NO3 within the poorly mixed nocturnal atmosphere, and the challenge of constructing appropriate boundary layer schemes and non-photochemical mechanisms for use in state-of-the-art chemical transport and chemistry–climate models. This review is the result of a workshop of the same title held at the Georgia Institute of Technology in June 2015. The first half of the review summarizes the current literature on NO3-BVOC chemistry, with a particular focus on recent advances in instrumentation and models, and in organic nitrate and secondary organic aerosol (SOA) formation chemistry. Building on this current understanding, the second half of the review outlines impacts of NO3-BVOC chemistry on air quality and climate, and suggests critical research needs to better constrain this interaction to improve the predictive capabilities of atmospheric models.
Keywords: aerosol; atmospheric chemistry; climate modeling; emission; nitrate; oxidation; radical; volatile organic compound
DDC: 550
License: CC BY 3.0 Unported
Link to License: https://creativecommons.org/licenses/by/3.0/
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