Articles | Volume 22, issue 2
https://doi.org/10.5194/acp-22-1373-2022
https://doi.org/10.5194/acp-22-1373-2022
Research article
 | 
27 Jan 2022
Research article |  | 27 Jan 2022

Regional heterogeneities in the emission of airborne primary sugar compounds and biogenic secondary organic aerosols in the East Asian outflow: evidence for coal combustion as a source of levoglucosan

Md. Mozammel Haque, Yanlin Zhang, Srinivas Bikkina, Meehye Lee, and Kimitaka Kawamura

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Cited articles

Arimoto, R., Duce, R. A., Savoie, D. L., Prospero, J. M., Talbot, R., Cullen, J. D., Tomza, U., Lewis, N. F., and Ray, B. J.: Relationships among aerosol constituents from Asia and the North Pacific during PEM-West A, J. Geophys. Res.-Atmos., 101, 2011–2023, https://doi.org/10.1029/95JD01071, 1996. 
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Bikkina, S., Haque, M. M., Sarin, M., and Kawamura, K.: Tracing the relative significance of primary versus secondary organic aerosols from biomass burning plumes over coastal ocean using sugar compounds and stable carbon isotopes, ACS Earth Space Chem., 3, 1471–1484, https://doi.org/10.1021/acsearthspacechem.9b00140, 2019. 
Bikkina, S., Kawamura, K., Sakamoto, Y., and Hirokawa, J.: Low molecular weight dicarboxylic acids, oxocarboxylic acids and α-dicarbonyls as ozonolysis products of isoprene: Implication for the gaseous-phase formation of secondary organic aerosols, Sci. Total Environ., 769, 144472, https://doi.org/10.1016/j.scitotenv.2020.144472, 2021. 
Birch, M. E. and Cary, R. A.: Elemental carbon-based method for monitoring occupational exposures to particulate diesel exhaust, Aerosol Sci. Tech., 25, 221–241, 1996. 
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We attempt to understand the current state of East Asian organic aerosols with both the molecular marker approach and 14° C data of carbonaceous components. A significant positive correlation of nonfossil- and fossil-derived organic carbon with levoglucosan suggests the importance of biomass burning (BB) and coal combustion sources in the East Asian outflow. Thus, attribution of ambient levoglucosan levels over the western North Pacific to the impact of BB emission may cause large uncertainty.
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