Articles | Volume 22, issue 8
https://doi.org/10.5194/acp-22-5515-2022
https://doi.org/10.5194/acp-22-5515-2022
Research article
 | 
02 May 2022
Research article |  | 02 May 2022

Offline analysis of the chemical composition and hygroscopicity of submicrometer aerosol at an Asian outflow receptor site and comparison with online measurements

Yange Deng, Hiroaki Fujinari, Hikari Yai, Kojiro Shimada, Yuzo Miyazaki, Eri Tachibana, Dhananjay K. Deshmukh, Kimitaka Kawamura, Tomoki Nakayama, Shiori Tatsuta, Mingfu Cai, Hanbing Xu, Fei Li, Haobo Tan, Sho Ohata, Yutaka Kondo, Akinori Takami, Shiro Hatakeyama, and Michihiro Mochida

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Cited articles

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Boreddy, S. K. R., Kawamura, K., and Jung, J. S.: Hygroscopic properties of particles nebulized from water extracts of aerosols collected at Chichijima Island in the western North Pacific: An outflow region of Asian dust, J. Geophys. Res.-Atmos., 119, 167–178, https://doi.org/10.1002/2013jd020626, 2014. 
Boreddy, S. K. R., Kawamura, K., Bikkina, S., and Sarin, M. M.: Hygroscopic growth of particles nebulized from water-soluble extracts of PM2.5 aerosols over the Bay of Bengal: Influence of heterogeneity in air masses and formation pathways, Sci. Total Environ., 544, 661–669, https://doi.org/10.1016/j.scitotenv.2015.11.164, 2016. 
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Short summary
Offline analyses of the hygroscopicity and composition of atmospheric aerosols are complementary to online analyses in view of the applicability to broader sizes, specific compound groups, and investigations at remote sites. This offline study characterized the composition of water-soluble matter in aerosols and their humidity-dependent hygroscopicity on Okinawa, a receptor site of East Asian outflow. Further, comparison with online analyses showed the appropriateness of the offline method.
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