2008 Fiscal Year Final Research Report
A study on formation and removal processes of organic aerosol in Asia using an advanced mass spectrometry
Project/Area Number |
19310005
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Environmental dynamic analysis
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Research Institution | The University of Tokyo |
Principal Investigator |
TAKEGAWA Nobuyuki The University of Tokyo, 先端科学技術研究センター, 准教授 (00324369)
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Co-Investigator(Kenkyū-buntansha) |
KONDO Yutaka 東京大学, 先端科学技術研究センター, 教授 (20110752)
KOIKE Makoto 東京大学, 大学院・理学系研究科, 准教授 (00225343)
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Co-Investigator(Renkei-kenkyūsha) |
MIYAZAKI Yuzo 北海道大学, 低温科学研究所, 助教 (60376655)
|
Project Period (FY) |
2007 – 2008
|
Keywords | 環境計測 / エアロゾル / アジア / 質量分析計 / 吸湿特性 |
Research Abstract |
エアロゾル質量分析計(AMS)により得られたアジアの大都市(東京、広州、北京)におけるデータの解析とそれに関連する実験を行った。AMS の質量スペクトルや粒径分布から有機エアロゾルに関する多くの情報を引き出す方法を考案し、これに基づいてアジアの無機・有機エアロゾルの生成・消滅過程の研究を行った。夏季の北京において無機・有機エアロゾルが領域スケールで多量に生成され、それらが低気圧の通過に伴って広域へ輸送されていることが明らかになった。
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[Journal Article] Spatial and temporal variations of aerosols around Beijing in the summer 2006 : 1. Model evaluation and source apportionment2009
Author(s)
Matsui, H., M. Koike, Y. Kondo, N. Takegawa, K. Kita, Y. Miyazaki, M. Hu, S. Y. Chang, D. R. Blake, J. D. Fast, R. A. Zaveri, D. G. Streets, Q. Zhang, and T. Zhu
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Journal Title
Spatial and temporal variations of aerosols around Beijing in the summer 2006 : 1. Model evaluation and source apportionment 2008JD010906(in press)
Peer Reviewed
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[Journal Article] Formation of submicron sulfate and organic aerosols in the outflowfrom the urban region of the Pearl River Delta in China2009
Author(s)
Xiao, R., N. Takegawa, Y. Kondo, Y. Miyazaki, T. Miyakawa, M. Hua, M. Shao, L. M. Zeng, A. Hofzumahaus, F. Holland, K. Lu, N. Sugimoto, Y. Zhao, Y. H. Zhang
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Journal Title
Atmospheric Environment (2009) doi:10.1016/ j.atmosenv.2009.04.028,(in press)
Peer Reviewed
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[Journal Article] Hygroscopic growth of tropospheric particle number size distributions over the North China Plain2009
Author(s)
Achtert, P., W. Birmili, A. Nowak, B. Wehner, A. Wiedensohler, N. Takegawa, Y. Kondo, Y. Miyazaki, M. Hu, and T. Zhu
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Journal Title
J. Geophys. Res 114, D00G07,doi:10.1029/2008JD010921
Peer Reviewed
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[Journal Article] Rapid Aerosol Particle Growth and Increase of Cloud Condensation Nucleus (CCN) Activity by Secondary Aerosol Formation and Condensation : a Case Study for Regional Air Pollution in North-Eastern China2009
Author(s)
Wiedensohler, A., Y.F. Cheng, A. Nowak, B. Wehner, P. Achtert, M. Berghof, W. Birmili, Z. J. Wu, M. Hu, T. Zhu, N. Takegawa, K. Kita, Y. Kondo, S.R. Lou, A. Hofzumahaus, F. Holland, A. Wahner, S. S. Gunthe, D. Rose, and U. Poeschl
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Journal Title
J. Geophys.Res 114, D00G08, doi:10.1029/2008JD010884
Peer Reviewed
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[Journal Article] Variability of submicron aerosol observed at a rural site in Beijing in the summer of 20062009
Author(s)
Takegawa, N., T. Miyakawa, M. Kuwata, Y. Kondo, Y. Zhao, S. Han, K. Kita, Y. Miyazaki, Z. Deng, R. Xiao, M. Hu, D. van Pinxteren, H. Herrmann, A. Hofzumahaus, F. Holland, A. Wahner, D.R. Blake, N. Sugimoto, and T. Zhu
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Journal Title
J.Geophys. Res 114, D00G05,doi:10.1029/2008JD010857
Peer Reviewed
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[Journal Article] Secondary organic aerosol formation in urban air : Temporal variations and possible contributions from unidentified hydrocarbons2009
Author(s)
Matsui, H., M. Koike, N. Takegawa, Y. Kondo, R. J. Griffin, Y. Miyazaki, Y. Yokouchi, and T. Ohara
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Journal Title
Geophys.Res 114, D04201, doi : 10.1029/2008JD010164
Peer Reviewed
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[Journal Article] Performance of an Aerodyne aerosol mass spectrometer (AMS) during intensive campaigns in China in the summer of 20062009
Author(s)
Takegawa, N., T. Miyakawa, M. Watanabe, Y. Kondo, Y. Miyazaki, S. Han, Y. Zhao, D. van Pinxteren, E. Bruggemann, T. Gnauk, H. Herrmann, R. Xiao, Z. Deng, M. Hu, T. Zhu, and Y. Zhang
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Journal Title
2006, Aerosol Sci. Technol 43
Pages: 189-204
Peer Reviewed
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[Journal Article] Atmospheric hydrogen peroxide and organic hydroperoxides during PRIDE-PRD'06, China : their concentration, formation mechanism and contribution to secondary aerosols2009
Author(s)
Hua, W., Z. M. Chen, C. Y. Jie, Y. Kondo, A. Hofzumahaus, N. Takegawa, C. C. Chang, K. D. Lu, Y. Miyazaki, K. Kita, H. L.Wang, Y. H. Zhang, and M. Hu
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Journal Title
Atmos. Chem. Phys 8
Pages: 6755-6773
Peer Reviewed
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