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ACP | Articles | Volume 19, issue 22
Atmos. Chem. Phys., 19, 14009–14029, 2019
https://doi.org/10.5194/acp-19-14009-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 14009–14029, 2019
https://doi.org/10.5194/acp-19-14009-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 21 Nov 2019

Research article | 21 Nov 2019

Organic tracers of fine aerosol particles in central Alaska: summertime composition and sources

Dhananjay Kumar Deshmukh et al.

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Cited articles

Agarwal, S., Aggarwal, S. G., Okuzawa, K., and Kawamura, K.: Size distributions of dicarboxylic acids, ketoacids, α-dicarbonyls, sugars, WSOC, OC, EC and inorganic ions in atmospheric particles over Northern Japan: implication for long-range transport of Siberian biomass burning and East Asian polluted aerosols, Atmos. Chem. Phys., 10, 5839–5858, https://doi.org/10.5194/acp-10-5839-2010, 2010. 
Akagi, S. K., Yokelson, R. J., Wiedinmyer, C., Alvarado, M. J., Reid, J. S., Karl, T., Crounse, J. D., and Wennberg, P. O.: Emission factors for open and domestic biomass burning for use in atmospheric models, Atmos. Chem. Phys., 11, 4039–4072, https://doi.org/10.5194/acp-11-4039-2011, 2011. 
Andreae, M. O. and Rosenfeld, D.: Aerosol-cloud-precipitations Part 1: the nature and sources of cloud-active aerosols, Earth-Sci. Rev., 89, 13–41, 2008. 
Atlas, E. and Giam, C. S.: Global transport of organic ambient concentrations in remote marine atmosphere, Science, 211, 163–165, 1981. 
Bai, J., Sun, X., Zhang, C., Xu, Y., and Qi, C.: The OH-initiated atmospheric reaction mechanism and kinetics for levoglucosan emitted in biomass burning, Chemosphere, 93, 2004–2010, 2013. 
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Organic tracers are useful to understand the sources and formation mechanisms of organic aerosols. We determined organic tracers in PM2.5 samples collected during the summer season of 2009 using a gas chromatograph–mass spectrometer. A notable feature in the Alaskan aerosol is the high levels of anhydrosugars and n-alkanoic acids. Our results demonstrate that forest fires and plant emissions are the crucial factors controlling the organic aerosol burden in the atmosphere of central Alaska.
Organic tracers are useful to understand the sources and formation mechanisms of organic...
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