Limited formation of isoprene epoxydiols-derived secondary organic aerosol under NOx-rich environments in Eastern China

Yunjiang Zhang; Lili Tang; Yele Sun; Olivier Favez; Francesco Canonaco; Alexandre Albinet; Florian Couvidat; Dantong Liu; John T. Jayne; Zhuang Wang; Philip L. Croteau; Manjula R. Canagaratna; Hong Cang Zhou; André S H Prévôt; Douglas R. Worsnop

doi:10.1002/2016GL072368

Limited formation of isoprene epoxydiols-derived secondary organic aerosol under NO_x-rich environments in Eastern China

Yunjiang Zhang, Lili Tang^*, Yele Sun, Olivier Favez, Francesco Canonaco, Alexandre Albinet, Florian Couvidat, Dantong Liu, John T. Jayne, Zhuang Wang, Philip L. Croteau, Manjula R. Canagaratna, Hong Cang Zhou, André S H Prévôt, Douglas R. Worsnop

^*Corresponding author for this work

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Abstract

Secondary organic aerosol (SOA) derived from isoprene epoxydiols (IEPOX) has potential impacts on regional air quality and climate yet is poorly characterized under NO_x-rich ambient environments. We report the first real-time characterization of IEPOX-derived SOA (IEPOX-SOA) in Eastern China in summer 2013 using comprehensive ambient measurements, along with model analysis. The ratio of IEPOX-SOA to isoprene high-NO_x SOA precursors, e.g., methyl vinyl ketone and methacrolein, and the reactive uptake potential of IEPOX was lower than those generally observed in regions with prevailing biogenic emissions, low NO_x levels, and high particle acidity, elucidating the suppression of IEPOX-SOA formation under NO_x-rich environments. IEPOX-SOA showed high potential source regions to the south with large biogenic emissions, illustrating that the interactions between biogenic and anthropogenic emissions might have played an important role in affecting the formation of IEPOX-SOA in polluted environments in Eastern China.

Original language	English
Pages (from-to)	2035-2043
Number of pages	9
Journal	Geophysical Research Letters
Volume	44
Issue number	4
Early online date	14 Feb 2017
DOIs	https://doi.org/10.1002/2016GL072368
Publication status	Published - 28 Feb 2017

Keywords

Eastern China
IEPOX-SOA
NO-rich environments
secondary organic aerosol

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Zhang, Y., Tang, L., Sun, Y., Favez, O., Canonaco, F., Albinet, A., Couvidat, F., Liu, D., Jayne, J. T., Wang, Z., Croteau, P. L., Canagaratna, M. R., Zhou, H. C., Prévôt, A. S. H., & Worsnop, D. R. (2017). Limited formation of isoprene epoxydiols-derived secondary organic aerosol under NO_x-rich environments in Eastern China. Geophysical Research Letters, 44(4), 2035-2043. https://doi.org/10.1002/2016GL072368

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title = "Limited formation of isoprene epoxydiols-derived secondary organic aerosol under NOx-rich environments in Eastern China",

abstract = "Secondary organic aerosol (SOA) derived from isoprene epoxydiols (IEPOX) has potential impacts on regional air quality and climate yet is poorly characterized under NOx-rich ambient environments. We report the first real-time characterization of IEPOX-derived SOA (IEPOX-SOA) in Eastern China in summer 2013 using comprehensive ambient measurements, along with model analysis. The ratio of IEPOX-SOA to isoprene high-NOx SOA precursors, e.g., methyl vinyl ketone and methacrolein, and the reactive uptake potential of IEPOX was lower than those generally observed in regions with prevailing biogenic emissions, low NOx levels, and high particle acidity, elucidating the suppression of IEPOX-SOA formation under NOx-rich environments. IEPOX-SOA showed high potential source regions to the south with large biogenic emissions, illustrating that the interactions between biogenic and anthropogenic emissions might have played an important role in affecting the formation of IEPOX-SOA in polluted environments in Eastern China.",

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author = "Yunjiang Zhang and Lili Tang and Yele Sun and Olivier Favez and Francesco Canonaco and Alexandre Albinet and Florian Couvidat and Dantong Liu and Jayne, {John T.} and Zhuang Wang and Croteau, {Philip L.} and Canagaratna, {Manjula R.} and Zhou, {Hong Cang} and Pr{\'e}v{\^o}t, {Andr{\'e} S H} and Worsnop, {Douglas R.}",

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Zhang, Y, Tang, L, Sun, Y, Favez, O, Canonaco, F, Albinet, A, Couvidat, F, Liu, D, Jayne, JT, Wang, Z, Croteau, PL, Canagaratna, MR, Zhou, HC, Prévôt, ASH & Worsnop, DR 2017, 'Limited formation of isoprene epoxydiols-derived secondary organic aerosol under NO_x-rich environments in Eastern China', Geophysical Research Letters, vol. 44, no. 4, pp. 2035-2043. https://doi.org/10.1002/2016GL072368

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T1 - Limited formation of isoprene epoxydiols-derived secondary organic aerosol under NOx-rich environments in Eastern China

AU - Zhang, Yunjiang

AU - Tang, Lili

AU - Sun, Yele

AU - Favez, Olivier

AU - Canonaco, Francesco

AU - Albinet, Alexandre

AU - Couvidat, Florian

AU - Liu, Dantong

AU - Jayne, John T.

AU - Wang, Zhuang

AU - Croteau, Philip L.

AU - Canagaratna, Manjula R.

AU - Zhou, Hong Cang

AU - Prévôt, André S H

AU - Worsnop, Douglas R.

PY - 2017/2/28

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N2 - Secondary organic aerosol (SOA) derived from isoprene epoxydiols (IEPOX) has potential impacts on regional air quality and climate yet is poorly characterized under NOx-rich ambient environments. We report the first real-time characterization of IEPOX-derived SOA (IEPOX-SOA) in Eastern China in summer 2013 using comprehensive ambient measurements, along with model analysis. The ratio of IEPOX-SOA to isoprene high-NOx SOA precursors, e.g., methyl vinyl ketone and methacrolein, and the reactive uptake potential of IEPOX was lower than those generally observed in regions with prevailing biogenic emissions, low NOx levels, and high particle acidity, elucidating the suppression of IEPOX-SOA formation under NOx-rich environments. IEPOX-SOA showed high potential source regions to the south with large biogenic emissions, illustrating that the interactions between biogenic and anthropogenic emissions might have played an important role in affecting the formation of IEPOX-SOA in polluted environments in Eastern China.

AB - Secondary organic aerosol (SOA) derived from isoprene epoxydiols (IEPOX) has potential impacts on regional air quality and climate yet is poorly characterized under NOx-rich ambient environments. We report the first real-time characterization of IEPOX-derived SOA (IEPOX-SOA) in Eastern China in summer 2013 using comprehensive ambient measurements, along with model analysis. The ratio of IEPOX-SOA to isoprene high-NOx SOA precursors, e.g., methyl vinyl ketone and methacrolein, and the reactive uptake potential of IEPOX was lower than those generally observed in regions with prevailing biogenic emissions, low NOx levels, and high particle acidity, elucidating the suppression of IEPOX-SOA formation under NOx-rich environments. IEPOX-SOA showed high potential source regions to the south with large biogenic emissions, illustrating that the interactions between biogenic and anthropogenic emissions might have played an important role in affecting the formation of IEPOX-SOA in polluted environments in Eastern China.

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