Studies of impacts of black carbon aerosol on climate based on aircraft observations

2009 Fiscal Year Self-evaluation Report

• Project/Area Number: 19101001
• Research Category: Grant-in-Aid for Scientific Research (S)
• Allocation Type: Single-year Grants
• Research Field: Environmental dynamic analysis
• Research Institution: The University of Tokyo
• Principal Investigator: KONDO Yutaka The University of Tokyo, 先端科学技術研究センター, 教授 (20110752)
• Project Period (FY): 2007 – 2011
• Keywords: エアロゾル / ブラックカーボン(BC) / 航空機観測 / アジア / 気候影響

Research Abstract

ブラックカーボンの気候影響を研究する上で鍵となる粒径分布、被覆量、光吸収率の測定を高精度で測定できる測定器を開発する。またその測定器を用いて航空機観測を行い、アジアにおよび北極おけるブラックカーボンの粒径分布、被覆過程を解明し光吸収を定量化する。数値モデルを用いてエアロゾルが引き起こす気候変動を評価する。

Research Products

• [Journal Article] Method to measure refractive indices of small nonspherical particles : Application to black carbon particles (2010)
  • Author(s): Moteki, N., Y. Kondo, S. Nakamura
  • Journal Title: J.Aerosol Sci.
• [Journal Article] Size-dependent correction factors for absorption measurements using filter-based photometers : PSAP and COSMOS (2010)
  • Author(s): Nakayama, T., Y. Kondo, N. Moteki, L. K. Sahu, T. Kinase, 他2名2番
  • Journal Title: J.Aerosol Sci. 41 Pages: 333-343
• [Journal Article] Radiative transfer modeling of filter-based measurements of light absorption by particles : Importance of particle size dependent penetration depth (2010)
  • Author(s): Moteki, N., Y. Kondo, T. Nakayama, K. Kita, L. K. Sahu, 他3名2番
  • Journal Title: J.Aerosol Science 41 Pages: 401-412
• [Journal Article] Performance of an Arerodyne Mass Spectrometer (AMS) during intensive campaigns in China in the summer of 2006 (2009)
  • Author(s): Takegawa, N., T. Miyakawa, M. Watanabe, Y. Kondo, Y. Miyazaki, 他10名4番目
  • Journal Title: Aerosol Sci.Tech. 43 Pages: 1-16
• [Journal Article] Secondary organic aerosol formation in urban air : Temporal variations and possible contributions from unidentified hydrocarbons (2009)
  • Author(s): Matsui, H., M. Koike, N. Takegawa, Y. Kondo, R. J. Griffin, Y. Miyazaki, 他1名3番目
  • Journal Title: J.Geophys.Res. 114 Pages: D04201
• [Journal Article] Aging of black carbon in outflow from anthropogenic sources using a mixing state resolved model : 1. Model development and evaluation (2009)
  • Author(s): Oshima, N., M. Koike, Y. Kondo, N. Moteki, N. Takegawa, Y. Miyazaki, 他1名4番目
  • Journal Title: J.Geophys.Res. 114 Pages: D06210,D00G05
• [Journal Article] Stabilization of the mass absorption cross section of black carbon for filter-based absorption photometry by the use of a heated inlet (2009)
  • Author(s): Kondo, Y. L. Sahu, M. Kuwata, Y. Miyazaki, N. Takegawa, N. Moteki, 他6名1番目
  • Journal Title: Aerosol Sci.Tech. 43 Pages: 741-756
• [Journal Article] Weber, Chemical characterization of water-soluble organic carbon aerosols at a rural site in the Pearl River Delta, China, in the summer of 2006 (2009)
  • Author(s): Miyazaki, Y., Y. Kondo, M. Shiraiwa, N. Takegawa, 他9名2番目
  • Journal Title: J.Geophys.Res. 114 Pages: D14208
• [Journal Article] Spatial and temporal variations of aerosols around Beijing in the summer 2006 : 1. Model evaluation and source apportionment (2009)
  • Author(s): Matsui, H., M. Koike, Y. Kondo, N. Takegawa, K. Kita, Y. Miyazaki, 他8名3番目
  • Journal Title: J.Geophys.Res. 114 Pages: D00G13
• [Journal Article] Evaluation of black carbon estimations in global aerosol models (2009)
  • Author(s): Koch, D., M. Schulz, S. Kinne, G. Schuster, Y. Kondo, N. Moteki, N. Takegawa, 他44名11番目
  • Journal Title: Atmos.Chem.Phys. 9 Pages: 9001-9026
• [Journal Article] Directional dependence of thermal emission from nonspherical carbon particles (2009)
  • Author(s): Moteki, N., Y. Kondo, N. Takegawa, S. Nakamura
  • Journal Title: J.Aerosol Sci. 40 Pages: 790-801
• [Journal Article] Aging of black carbon in outflow from anthropogenic sources using a mixing state resolved model : 2. Aerosol optical properties and condensation nuclei activties (2009)
  • Author(s): Oshima, N. M. Koike, Y. Zhang, Y. Kondo
  • Journal Title: J.Geophys.Res. 114 Pages: D18202
• [Journal Article] Critical condensed mass for activation of black carbon as cloud condensation nuclei (2009)
  • Author(s): Kuwata, M., Y. Kondo, N. Takegawa
  • Journal Title: J.Geophys.Res. 114 Pages: D20202
• [Journal Article] Amplification of light absorption of black carbon by organic coating (2009)
  • Author(s): Shiraiwa, M., Y. Kondo, T. Iwamoto, K. Kita
  • Journal Title: Aerosol Sci.Tech. 44 Pages: 46-54
• [Journal Article] Temporal variations of elemental carbon aerosol in Beijing, China (2009)
  • Author(s): Han, S. Y. Kondo, N. Takegawa, Y. Miyazaki, N. Oshima, 他4名2番目
  • Journal Title: J.Geophys.Res. 114 Pages: D23202
• [Presentation] 北極大気中のブラックカーボンエアロゾルの起源・季節変動及び物理・化学特性 (2010)
  • Author(s): 近藤豊
  • Organizer: 『国際極年2007-2008シンポジウム-地球規模の変動現象と極域の役割り-』日本学術会議
  • Year and Date: 2010-03-01
• [Presentation] Emissions of black carbon particles from biomass burning and their physical and chemical properties (2009)
  • Author(s): Y. Kondo, L. Sahu, N. Moteki, N. Takegawa, Y. Zhao, S. Vay, G. S. Diskin, A. Wisthaler, L. G. Huey, J. L. Jimenez, ARCTAS Science Team
  • Organizer: AGU 2004 Fall meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2009-12-19
• [Presentation] The mixing state of black carbon in Asian outflow (2009)
  • Author(s): Y. Kondo, N. Moteki, N. Takegawa, N. Oshima, L. Sahu
  • Organizer: AGU 2004 Fall meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2009-12-14
• [Presentation] バイオマス燃焼による北極域のエアロゾル生成量・物理化学特性・輸送過程 (2009)
  • Author(s): 近藤豊, 茂木信宏, Lokesh Sahu, 竹川暢之, 松井仁志, 坂本弘美
  • Organizer: 日本気象学会秋季大会、スペシャル・セッション「国際極年 (IPY) 2007-2008 の成果と将来展望」
  • Year and Date: 2009-11-25
• [Presentation] Transport of black carbon from the Asian continent (2009)
  • Author(s): Y. Kondo, N. Oshima, N. Moteki., N. Takegawa., M. Kajino, M. Koike, K. Kita
  • Organizer: Fourth China-Korea-Japan Joint Conference on Meteorology
  • Place of Presentation: Taukuba
  • Year and Date: 2009-11-09