Oral

Symbol A (Atmospheric and Hydrospheric Sciences) » A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS21] Atmospheric Chemistry

Thu. May 28, 2015 4:15 PM - 5:00 PM 201B (2F)

Convener:*Yousuke Sawa(Oceanography and Geochemistry Research Department, Meteorological Research Institute), Nobuyuki Takegawa(Graduate School of Science and Engineering, Tokyo Metropolitan University), Yugo Kanaya(Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology), Kenshi Takahashi(Research Institute for Sustainable Humanosphere, Kyoto University), Hiroshi Tanimoto(National Institute for Environmental Studies), Chair:Tomoki Nakayama(Solar-Terrestrial Environment Laboratory, Nagoya University)

This session provides a forum for the presentation of the broad spectrum of tropospheric and stratospheric chemistry, including various research topics (air quality and climate), approaches (modeling, field measurements, satellite data analysis, and laboratory studies), and species (gas and aerosol). This session also provides an opportunity for discussing possible future collaboration with other research fields relevant to atmospheric chemistry.

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4:15 PM - 4:30 PM

[AAS21-27] Speciation of sulfate in aerosols for the precise estimation of its global cooling effect

*Chihiro MIYAMOTO¹, Yoshiaki YAMAKAWA¹, Kohei SAKATA², Aya MIYAHARA², Hiroki SUGA², Aya SAKAGUCHI³, Yasuo TAKEICHI⁴, Kanta ONO⁴, Yoshio TAKAHASHI¹ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 3.Faculty of Pure and Applied Science, University of Tsukuba, 4.Institute of Materials Structure Science, KEK)

4:30 PM - 4:45 PM

[AAS21-28] Interaction between oxalate aerosol and metal: stability and global cooling effect of aerosol

*Yoshiaki YAMAKAWA¹, Kohei SAKATA², Aya MIYAHARA², Chihiro MIYAMOTO², Yoshio TAKAHASHI¹, Aya SAKAGUCHI³ (1.University of Tokyo, 2.Hiroshima University, 3.University of Tsukuba)

4:45 PM - 5:00 PM

[AAS21-29] Major ion composition in aerosol: As an new indicator of chlorine deficiency

*Kohei SAKATA¹, Aya SAKAGUCHI², Yusuke TAMENORI³, Masahiro OGAWA⁴, Yoshio TAKAHASHI⁵ (1.Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 2.Faculty of Pure and Applied Science, University of Tsukuba, 3.Japan Synchrotron Radiation Research Institute (JASRI), 4.SR-center Ritsumeikan University, 5.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo)