Articles | Volume 19, issue 3
https://doi.org/10.5194/acp-19-1867-2019
https://doi.org/10.5194/acp-19-1867-2019
Research article
 | 
12 Feb 2019
Research article |  | 12 Feb 2019

Importance of biogenic volatile organic compounds to acyl peroxy nitrates (APN) production in the southeastern US during SOAS 2013

Shino Toma, Steve Bertman, Christopher Groff, Fulizi Xiong, Paul B. Shepson, Paul Romer, Kaitlin Duffey, Paul Wooldridge, Ronald Cohen, Karsten Baumann, Eric Edgerton, Abigail R. Koss, Joost de Gouw, Allen Goldstein, Weiwei Hu, and Jose L. Jimenez

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Cited articles

Barker, J. R., Lohr, L. L., Shroll, R. M., and Reading, S.: Modeling the Organic Nitrate Yields in the Reaction of Alkyl Peroxy Radicals with Nitric Oxide. 2. Reaction Simulations, J. Phys. Chem. A, 107, 7434–7444, https://doi.org/10.1021/jp034638j, 2003. 
Barket, D. J., Jr., Grossenbacher, J. W., Hurst, J. M., Shepson, P. B., Olszyna, K., Thornberry, T., Carroll, M. A., Roberts, J., Stroud, C., Bottenheim, J., and Biesenthal, T.: A study of the NOx dependence of isoprene oxidation, J. Geophys. Res., 109, D11310, https://doi.org/10.1029/2003JD003965, 2004. 
Baumann, K., Williams, E. J., Angevine, W. M., Roberts, J. M., Norton, R. B., Frost, G. J., Fehsenfeld, F. C., Springston, S. R., Bertman, S. B., and Hartsell, B.: Ozone production and transport near Nashville, Tennessee: Results from the 1994 study at New Hendersonville, J. Geophys. Res., 105, 9137–9153, https://doi.org/10.1029/1999JD901017, 2000. 
Bertman, S. B. and Roberts, J. M.: A PAN analog from isoprene photooxidation, Geophys. Res. Lett., 18, 1461–1464, 1991. 
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Short summary
Acyl peroxy nitrates (APN) were measured near the ground in Alabama using GC in summer 2013 to study biosphere–atmosphere interactions. APN were lower than measured in the SE USA over the past 2 decades. Historical data showed APN in 2013 was limited by NOx and production was dominated by biogenic precursors more than in the past. Isoprene-derived MPAN correlated with isoprene hydroxynitrates as NOx-dependent products. MPAN varied with aerosol growth, but not with N-containing particles.
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