Apr. 1998-Mar. 2001:
　　　　　　Ph. D. (Atmospheric Chemistry), Department of Chemistry,
　　　　　　Graduate School of Science, The University of Tokyo
　　　　　　"The seasonal variation of atmospheric paroxyacetyl nitrate (PAN) in
　　　　　　east Asia observed by GC/NICI-MS technique"
　　　　　　Advisor: Hajime Akimoto, and Yoshihiro Makide

Apr. 1996-Mar. 1998:
　　　　　　M.Sc., Department of Chemistry,
　　　　　　Graduate School of Science, The University of Tokyo

Apr. 1994-Mar. 1996:
　　　　　　B.Sc., Department of Chemistry,
　　　　　　School of Science, The University of Tokyo

Apr. 1992-Mar. 1994:
　　　　　　Natural Sciences II, College of Arts and Sciences,
　　　　　　The University of Tokyo

Since April 2006
　　　　　　Senior Researcher, Asian Environment Research Group &
　　　　　　Center for Global Environment Research

Apr. 2005-Mar. 2006
　　　　　　Senior Researcher, Atmospheric Chemical Reaction Section,
　　　　　　Atmospheric Environment Division, NIES

Apr. 2001-Mar. 2005
　　　　　　Researcher, Atmospheric Chemical Reaction Section,
　　　　　　Atmospheric Environment Division, NIES

Jan. 1999-Mar. 2001
　　　　　　Research Fellow, the Japan Society for the Promotion of Science for
　　　　　　Young Scientists (DC2) at Research Center for
　　　　　　Advanced Science and Technology, The University of Tokyo

1. Interpretation and analysis of tropospheric composition with satellites and chemistry-transport models
   
2. Long-term monitoring of tropospheric composition (e.g., O3, CO, VOCs, NOxy) in Asia-Oceania region with cargo-ships and surface platforms
   
3. Development and application of proton transfer reaction - time-of-flight mass spectrometer (PTR-TOFMS) for real-time measurements of VOCs in air (with Dr Satoshi Inomata)
   
4. Measurements of DMS, VOCs, and OVOCs in seawater by PTR-MS (with Dr Sohiko Kameyama, Dr Urumu Tsunogai)
   
5. Establishment of ozone standards by photometry and gas-phase titration, and traceability network in Asia

H. Tanimoto, K. Matsumoto, and M. Uematsu, Ozone-CO correlations in Siberian wildfire plumes observed at Rishiri Island, SOLA, 4, 65-68, 2008

S. Inomata, and H. Tanimoto, Differentiation of isomeric compounds by two-stage proton transfer reaction time-of-flight mass spectrometry, J. Am. Soc. Mass Spectrom., 19, 325-331, doi:10.1016/j.jasms.2007.11.008, 2008

S. Inomata, H. Tanimoto, S. Kameyama, U. Tsunogai, H. Irie, Y. Kanaya, and Z. Wang, Technical Note: Determination of formaldehyde mixing ratios in air with PTR-MS: Laboratory experiments and field measurements, Atmos. Chem. Phys., 8, 273-284, 2008

H. Tanimoto, H. Mukai, Y. Sawa, H. Matsueda, S. Yonemura, T. Wang, S. Poon, A. Wong, G. Lee, J.Y. Jung, K.R. Kim, M.H. Lee, N.H. Lin, J.L. Wang, C.F. Ou-Yang, C.F. Wu, H. Akimoto, P. Pochanart, K. Tsuboi, H. Doi, C. Zellweger, J. Klausen, Direct assessment of international consistency of standards for ground-level ozone: Strategy and implementation toward metrological traceability network in Asia, J. Environ. Monit., 9, doi:10.1039/b701230f, 1183-1193, 2007

H. Tanimoto, H. Mukai, S. Hashimoto, and J. E. Norris, Intercomparison of ultraviolet photometry and gas-phase titration techniques for ozone reference standards at ambient levels, J. Geophys. Res., 111, D16313, doi:10.1029/2005JD006983, 2006

S. Inomata, H. Tanimoto, N. Aoki, J. Hirokawa, and Y. Sadanaga, A novel discharge source of hydronium ions for proton transfer reaction ionization: design, characterization, and performance, Rapid Comm. Mass Spectrom., 20, 1025-1029, 2006

H. Tanimoto, Y. Sawa, H. Matsueda, I. Uno, T. Ohara, K. Yamaji, J. Kurokawa, and S. Yonemura, Significant latitudinal gradient in the surface ozone spring maximum over East Asia, Geophys. Res. Lett., 32, L21805, doi:10.1029/2005GL023514, 2005

H. Tanimoto, and H. Akimoto, A new peroxycarboxylic nitric anhydride identified in the atmosphere: CH2=CHC(O)OONO2 (APAN), Geophys. Res. Lett., 28, 2831-2834, 2001

H. Tanimoto, Y. Kajii, J. Hirokawa, H. Akimoto, and N. P. Minko, The atmospheric impact of boreal forest fires in far eastern Siberia on the seasonal variation of carbon monoxide: Observations at Rishiri, a northern remote island in Japan, Geophys. Res. Lett., 27, 4073-4076, 2000

H. Tanimoto, J. Hirokawa, Y. Kajii, and H. Akimoto, A new measurement technique of peroxyacetyl nitrate at parts per trillion by volume levels: Gas chromatography/negative ion chemical ionization mass spectrometry, J. Geophys. Res., 104, 21,343-21,354, 1999


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