Articles | Volume 19, issue 22
https://doi.org/10.5194/acp-19-14009-2019
https://doi.org/10.5194/acp-19-14009-2019
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, M. Mozammel Haque, Yongwon Kim, and Kimitaka Kawamura

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Short summary
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.
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