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(In Japanese)東アジアにおける酸性物質及びオゾンの生成と沈着に関する観測と環境影響評価

Research report code R000000300
Posted date Sep 30, 2002
Researchers
  • (In Japanese)秋元 肇
Affiliation
  • (In Japanese)地球フロンティア研究システム
Research organization
  • (In Japanese)東京大学先端科学技術研究センター
Report name (In Japanese)東アジアにおける酸性物質及びオゾンの生成と沈着に関する観測と環境影響評価
Technology summary (In Japanese)本研究は東アジアを対象に,対流圏内の酸性物質やオゾン濃度の推移などを対象としたとした環境観測と環境影響評価である。オゾン濃度の変動調査は以下のリモート観測地点(利尻,八方,隠岐,沖縄,モンディ,スリナカリン,インタノン,黄山)でオゾン・一酸化炭素の通年連続観測を継続し,本年度は特にタイでの地表オゾンデータの解析と,オゾン濃度とその季節変動につき欧州-東アジアの比較検討をした。大気微量成分の高感度連続測定装置の開発と野外観測では,光化学オゾンの生成プロセスや酸性/塩基性ガスの長距離輸送プロセス解明用として高感度連続測定装置を開発し,野外観測に供して評価した。これらには,レーザー誘起蛍光法によるHOxラジカル連続測定装置,ガスクロマトグラフ/不イオン化学イオン質量分析法によるPAN連続測定装置,不イオン化学イオン質量分析法によるアンモニア連続測定装置,レーザー誘起蛍光法による二酸化窒素連続測定装置などを含む。
Research field
  • Climatology, climatic change
  • Aerospheric environmental pollution
  • Examination and measurement of air quality
  • Examination and measurement of harmful gas
  • Health damage
  • Pollutants in general
Published papers related (In Japanese)(1) Kajii Y., K. Someno, H. Tanimoto, J. Hirokawa, and H. Akimoto (RCAST, Univ. of Tokyo), Evidence for the seasonal variation of photochemical activity of tropospheric ozone: Continuous observation of ozone and CO at Happo, Japan, Geophys. Res. Lett., 25, 3505-3508, 1998.
(2) Pochanart P., J. Hirokawa, Y. Kajii, H. Akimoto (RCAST, Univ. of Tokyo), and M. Nakao (Shimane Pref. Inst. of Public Health and Environ. Science), The influence of regional scale anthropogenic activity in Northeast Asia on seasonal variations of surface ozone and carbon monoxide observed at Oki, Japan, J Geophys. Res. 104, 3621-3631, 1999.
(3) Kanaya, Y., S. Sadanaga, J. Matsumoto, U.K. Usha, J. Hirokawa, Y. Kajii and H. Akimoto (RCAST, Univ. of Tokyo), Nighttime observation of the HO2 radical by an LIF instrument at Oki island, Japan, and its possible origins, accepted in Geophys. Res. Lett., 26, 2179-2182, 1999.
(4) Tanimoto, H., J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), A new measurement technique of peroxyacetyl nitrate (PAN) at ppt levels: Gas Chromatography / Negative Ion Chemical Ionization Mass Spectrometry (GC/NICI-MS), accepted in J. Geophys. Res., 104, 21343-21354, 1999.
(5) Kato, S., Y. Kajii, H. Akimoto (RCAST, Univ. of Tokyo), M. Braeunlich, T. Roeckmann, and C.A.M. Brenninkmeijer (Max Planck Inst.), Observed and modeled seasonal variation of 13C, 18O and 14C of atmospheric CO at Happo, a remote site in Japan, and a comparison with other records, J. Geophys. Res., 105, 8891-8900, 2000.
(6) Tanimoto, H., J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), Characterization of gas chromatography/negative ion chemical ionization mass spectrometry for ambient measurement of PAN: Potential interferences and long-term sensitivity drift, Geophys. Res. Lett., 27, 2089-2092, 2000.
(7) Kanaya, Y., Y. Sadanaga, J. Matsumoto, U. Sharma, J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), Daytime HO2 concentrations at Oki Island, Japan, in summer 1998: Comparison between measurement and theory, J. Geophys. Res., 105, 24205-24222, 2000.
(8) Pochanart. P. (RCAST, Univ. of Tokyo), J. Kreasuwun (Chang Mai Univ.), P. Sukasem, W. Geeratihadaniyon, M.S. Tabulanon (Environ. Research and Training Center), J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), Tropical tropospheric ozone observed in Thailand, Atmos. Environ., 35, 2657-2668, 2001.
(9) Kajii Y., K. Someno, H. Tanimoto, J. Hirokawa, and H. Akimoto (RCAST, Univ. of Tokyo), Evidence for the seasonal variation of photochemical activity of tropospheric ozone: Continuous observation of ozone and CO at Happo, Japan, Geophys. Res. Lett., 25, 3505-3508, 1998.
(10) Pochanart P., J. Hirokawa, Y. Kajii, H. Akimoto (RCAST, Univ. of Tokyo), and M. Nakao (Shimane Pref. Inst. of Public Health and Environ. Science), The influence of regional scale anthropogenic activity in Northeast Asia on seasonal variations of surface ozone and carbon monoxide observed at Oki, Japan, J Geophys. Res. 104, 3621-3631, 1999.
(11) Kanaya, Y., S. Sadanaga, J. Matsumoto, U.K. Usha, J. Hirokawa, Y. Kajii and H. Akimoto (RCAST, Univ. of Tokyo), Nighttime observation of the HO2 radical by an LIF instrument at Oki Island, Japan, and its possible origins, accepted in Geophys. Res. Lett., 26, 2179-2182, 1999.
(12) Tanimoto, H., J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), A new measurement technique of peroxyacetyl nitrate (PAN) at ppt levels: Gas Chromatography / Negative Ion Chemical Ionization Mass Spectrometry (GC/NICI-MS), accepted in J. Geophys. Res., 104, 21343-21354, 1999.
(13) Kato, S., Y. Kajii, H. Akimoto (RCAST, Univ. of Tokyo), M. Braeunlich, T. Roeckmann, and C.A.M. Brenninkmeijer (Max Planck Inst.), Observed and modeled seasonal variation of 13C, 18O and 14C of atmospheric CO at Happo, a remote site in Japan, and a comparison with other records, J. Geophys. Res., 105, 8891-8900, 2000.
(14) Tanimoto, H., J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), Characterization of gas chromatography/negative ion chemical ionization mass spectrometry for ambient measurement of PAN: Potential interferences and long-term sensitivity drift, Geophys. Res. Lett., 27, 2089-2092, 2000.
(15) Kanaya, Y., Y. Sadanaga, J. Matsumoto, U. Sharma, J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), Daytime HO2 concentrations at Oki Island, Japan, in summer 1998: Comparison between measurement and theory, J. Geophys. Res., 105, 24205-24222, 2000.
(16) Pochanart. P. (RCAST, Univ. of Tokyo), J. Kreasuwun (Chang Mai Univ.), P. Sukasem, W. Geeratihadaniyon, M.S. Tabulanon (Environ. Research and Training Center), J. Hirokawa, Y. Kajii, and H. Akimoto (RCAST, Univ. of Tokyo), Tropical tropospheric ozone observed in Thailand, Atmos. Environ., 35, 2657-2668, 2001.
(17) Komazaki, Y., Y. Hamada, T. Fujita, S. Tanaka (Keio Univ.), Development of automated simultaneous and continuous measurement system by using a diffusion scrubber coupled to ion chromatography for monitoring acidic and basic gases (HCl, HNO3, SO2 and NH3) in the atmosphere, The Analyst, 124, 1151-1157, 1999.
(18) Narita, Y., A. Fukazawa, S. Tanaka (Keio Univ.), S.J. Santosa (Gadjah Mada Univ.), A study on the concentration, distribution and behavior of metals in the atmospheric particulate matter over the north Pacific ocean by using inductively coupled plasma mass spectrometry equipped with laser ablation as a simple introduction, J. Geophys. Res. 104, 21, 26859-26866, 1999.
(19) Komazaki, Y., M. Hiratusuka, Y. Narita, S. Tanaka, T. Fujita (Keio Univ.), The development of an automated continuous measurement system for monitoring of HCHO and CH3CHO in the atmosphere by using an annular diffusion scrubber coupled to HPLC, Fresenious J. Anal. Chem., 367, 686-695, 1999.
(20) Komazaki, Y., T. Inoue, S. Tanaka (Keio Univ.), Automated measurement system for H2O2 in the atmosphere by diffusion scrubber sampling and HPLC analysis of Ti-PAR-H2O2 complex, Analyst, 126, 587-593, 2001.
Research project
  • Core Research for Evolutional Science and Technology;Social Systems for Better Environment Performance
Information research report
  • (In Japanese)秋元 肇. 環境低負荷型の社会システム 東アジアにおける酸性物質及びオゾンの生成と沈着に関する観測と環境影響評価. 戦略的基礎研究推進事業 平成11年度 研究年報.科学技術振興事業団, 2000. p.1023 - 1030.

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