Articles | Volume 20, issue 17
https://doi.org/10.5194/acp-20-10311-2020
https://doi.org/10.5194/acp-20-10311-2020
Research article
 | 
04 Sep 2020
Research article |  | 04 Sep 2020

Comprehensive analyses of source sensitivities and apportionments of PM2.5 and ozone over Japan via multiple numerical techniques

Satoru Chatani, Hikari Shimadera, Syuichi Itahashi, and Kazuyo Yamaji

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Cited articles

Burr, M. J., and Zhang, Y.: Source apportionment of fine particulate matter over the Eastern U.S. Part II: source apportionment simulations using CAMx/PSAT and comparisons with CMAQ source sensitivity simulations, Atmos. Pollut. Res., 2, 318–336, https://doi.org/10.5094/apr.2011.037, 2011. 
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Chatani, S., Morikawa, T., Nakatsuka, S., and Matsunaga, S.: Sensitivity analyses of domestic emission sources and transboundary transport on PM2.5 concentrations in three major Japanese urban areas for the year 2005 with the three-dimensional air quality simulation, J. Jpn. Soc. Atmos. Environ., 46, 101–110, https://doi.org/10.11298/taiki.46.101, 2011. 
Chatani, S., Okumura, M., Shimadera, H., Yamaji, K., Kitayama, K., and Matsunaga, S.: Effects of a detailed vegetation database on simulated meteorological fields, biogenic VOC emissions, and ambient pollutant concentrations over Japan, Atmosphere, 9, 179, https://doi.org/10.3390/atmos9050179, 2018a. 
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Short summary
Source sensitivities and apportionments of PM2.5 and ozone concentrations over Japan for 2016 were evaluated using multiple numerical techniques including BFM, HDDM, and ISAM, embedded in regional chemical transport models. Influences of stringent emission controls recently implemented in Asian countries were reflected. Differences between sensitivities and apportionments greatly helped distinguish various direct and indirect effects of emission sources on PM2.5 and ozone concentrations.
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