Development of a new monitoring system for atmospheric environment in Beijing, China, and its evaluation for environmental countermeasure using dynamic analysis

2006 Fiscal Year Final Research Report Summary

• Project/Area Number: 16404002
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 海外学術
• Research Field: Environmental dynamic analysis
• Research Institution: Keio University
• Principal Investigator: TANAKA Shigeru Keio University, Fac. Sci. Technol., Professor, 理工学部, 教授 (10137987)
• Co-Investigator(Kenkyū-buntansha): OKUDA Tomoaki Keio University, Fac. Sci. Technol., Instructor, 理工学部, 助手 (30348809)
• Project Period (FY): 2004 – 2006
• Keywords: Determination of chemical species / Environmental analysis / Air quality / East Asia / Hazardous materials / Toxic trace metals / Polycyclic aromatic hydrocarbons / Aerosols

Research Abstract

Daily concentrations of trace metals in aerosols collected at Tsinghua University, Beijing, China from March 2001 to March 2006 were measured by using Laser Ablation/ICP-MS analysis. The source identification and long-term trend of aerosol in Beijing, China were investigated by using these data. All metal concentrations in aerosols in Beijing were higher than those in Tokyo in Japan. Especially, the concentration of As originated from coal combustion was over 25 times higher than that of Tokyo. The long-term trend of metal concentration was examined by using regression analysis. The concentrations of heavy metals as Cu, Zn, As, Cd, Pb were increasing by 4.9%〜19.8% per year from March 2001 to February 2006.
The concentrations of PAHs in aerosol samples collected from September 2003 to April 2006 in Beijing, China were determined by the developed method in this study. SPAHs, which is the sum of the concentrations of all detected PAHs, was 188.4ア317.9 ng/m^3 (n=114), and this was about 100 times higher than that in Tokyo, Japan. The El3AHs concentration in the heating season was 10.7 times higher than that in the non-heating season. The strong seasonal variation in atmospheric PAHs concentration is possibly due to coal combustion for residential heating in winter. Positive Matrix Factorization (PMF) method was applied to source identification of PAHs in aerosols. Coal combustion, waste incineration, wood burning and motor vehicles were identified as major sources of PAHs in aerosols. In the heating season, the sum of contributions of coal combustion, waste incineration, wood burning were about 70%. Therefore, it was considered that these sources released large amount of PAHs. The contributions of these three sources in the heating season were more than 10 times higher than in the non-heating season.

Research Products

• [Journal Article] Polycyclic aromatic hydrocarbons (PAHs) in the aerosol in Beijing, China, measured by aminopropylsilane chemically-bonded stationary-phase column chromatography and HPLC/fluorescence detection (2006)
  • Author(s): Okuda, T., Naoi, D., Tenmoku, M., Tanaka, S., He, K., Ma, Y., Lei, Y., Jia, Y., Zhang.D.-H.
  • Journal Title: Chemosphere 65(3) Pages: 427-435
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Long-term observation of trace metal concentration in aerosols at a remote island, Rishiri, Japan by using inductively coupled plasma mass spectrometry equipped with laser ablation (2006)
  • Author(s): Okuda, T., Tenmoku, M., Kato, J., Mori, J., Sato, T., Yokochi, R., Tanaka, S.
  • Journal Title: Water, Air, and Soil Pollution 174(1-4) Pages: 3-17
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Mass concentration and mineralogical characteristics of aerosol particles collected at dunhuang during ACE-Asia (2006)
  • Author(s): Shen, Z.X., Cao, J.J., Li, X., Okuda, T., Wang Y., Zhang, X.Y.
  • Journal Title: Advances in Atmospheric Sciences 232(2) Pages: 291-298
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Polycyclic aromatic hydrocarbons (PAHs) in the aerosol in Beijing, China, measured by aminopropylsilane chemically-bonded stationary-phase column chromatography and HPLC fluorescence detection (2006)
  • Author(s): Okuda T., Naoi D., Tenmoku M., Tanaka S., He K., Ma Y., Lei Y., Jia Y., Zhang D.-H.
  • Journal Title: Chemosphere 65(3) Pages: 427.435
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Long-term observation of trace metal concentration in aerosols at a remote island, Rishiri, Japan by using inductively coupled plasma mass spectrometry equipped with laser ablation (2006)
  • Author(s): Okuda T., Tenmoku M., Kato J., Mori J., Sato T., Yokochi R., Tanaka S.
  • Journal Title: Water, Air, and Soil Pollution 174(1-4) Pages: 3-17
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Mass concentration and mineralogical characteristics of aerosol particles collected at dunhuang during ACE-Asia (2006)
  • Author(s): Shen Z.X., Cao J.J., Li X., Okuda T., Wang Y., Zhang X.Y.
  • Journal Title: Advances in Atmospheric Sciences 232(2) Pages: 291.298
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] The impact of volcanic gases from Miyake Island on the chemical constituents in precipitation in the Tokyo Metropolitan area (2005)
  • Author(s): Okuda, T., Iwase, T., Ueda, H., Suda, Y., Tanaka, S., Dokiya, Y., Fushimi, K., Hosoe, M.
  • Journal Title: The Science of the Total Environment 341(1-3) Pages: 185-197
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Long-term trend of chemical constituents in precipitation in Tokyo metropolitan area, Japan, from 1990 to 2002 (2005)
  • Author(s): Okuda, T., Iwase, T., Ueda, H., Suda, Y., Tanaka, S., Dokiya, Y., Fushimi, K., Hosoe, M.
  • Journal Title: The Science of the Total Environment 339(1-3) Pages: 127-141
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] The impact of volcanic gases from Miyake Island on the chemical constituents in precipitation in the Tokyo Metropolitan area (2005)
  • Author(s): Okuda T., Iwase T., Ueda H., Suda Y., Tanaka S., Dokiya Y., Fushimi K., Hosoe M.
  • Journal Title: The Science of the Total Environment 341(1-3) Pages: 185-197
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Long-term trend of chemical constituents in precipitation in Tokyo metropolitan area, Japan, from 1990 to 2002 (2005)
  • Author(s): Okuda T., Iwase T., Ueda H., Suda Y., Tanaka S., Dokiya Y., Fushimi K., Hosoe M.
  • Journal Title: The Science of the Total Environment 339(1-3) Pages: 127-141
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Daily concentrations of trace metals in aerosols in Beijing, China, determined by using inductively coupled plasma mass spectrometry equipped with laser ablation analysis, and source identification of aerosols (2004)
  • Author(s): Okuda, T., Kato, J., Mori, J., Tenmoku, M., Suda, Y., Tanaka, S., He, K., Ma, Y., Yang, F., Yu, X., Duan, F., Lei, Y.
  • Journal Title: The Science of the Total Environment 330(1-3) Pages: 145-158
  • Description: 「研究成果報告書概要(和文)」より
• [Journal Article] Daily concentrations of trace metals in aerosols in Beijing, China, determined by using inductively coupled plasma mass spectrometry equipped with laser ablation analysis, and source identification of aerosols (2004)
  • Author(s): Okuda T., Kato J., Mori J., Tenmoku M., Suda Y., Tanaka S., He K., Ma Y., Yang F., Yu X., Duan F., Lei Y.
  • Journal Title: The Science of the Total Environment 330(1-3) Pages: 145-158
  • Description: 「研究成果報告書概要(欧文)」より
• [Journal Article] Aerosol Pollution in China
  • Author(s): Okuda T., Tanaka S., He K., Ma Y.
  • Journal Title: In "Atmospheric Environmental Impact of Aerosols", Kyoto University Press (in press)
  • Description: 「研究成果報告書概要(欧文)」より
• [Book] 中国におけるエアロゾル汚染
  • Author(s): 奥田知明, 田中茂, He, Kebin, Ma, Yongliang
  • Publisher: 京都大学学術出版会(印刷中)
  • Description: 「研究成果報告書概要(和文)」より