Articles | Volume 20, issue 5
https://doi.org/10.5194/acp-20-2709-2020
https://doi.org/10.5194/acp-20-2709-2020
Research article
 | 
05 Mar 2020
Research article |  | 05 Mar 2020

Significant seasonal changes in optical properties of brown carbon in the midlatitude atmosphere

Heejun Han, Guebuem Kim, Hojong Seo, Kyung-Hoon Shin, and Dong-Hun Lee

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Cited articles

Andreae, M. O. and Gelencsér, A.: Black carbon or brown carbon? The nature of light-absorbing carbonaceous aerosols, Atmos. Chem. Phys., 6, 3131–3148, https://doi.org/10.5194/acp-6-3131-2006, 2006. 
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We found significant seasonal variations in optical and chemical properties of organic aerosols in the urban region and changes in photo-resistivity of light-absorbing organic aerosols (e.g., brown carbon) owing to the high UV radiation in the atmosphere. Our results suggest that photochemical degradation plays a significant role in light-absorbing organic aerosol abundances and might be an important removal mechanism of light-absorbing aerosols in the atmosphere.
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