We develop techniques for measuring and modeling trace gases and aerosols of atmospheric importance, make laboratory experiments to reveal the formation and reaction mechanisms, observe spatial and temporal variations using ground-based, ship, aircraft, and satellite platforms, and simulate emissions, transport, transformation, and deposition processes. Through these activities, we can understand the physical and chemical processes of the troposphere and the stratosphere and the exchange between the atmosphere and the ocean and land surfaces, and analyze their linkages to global air pollution and climate change. We also brief policy implications of the scientific results obtained, aiming to contribute to Japan's and/or international climate and environmental policies that support the goals of global sustainability.
Global Atmospheric Chemistry Section
Staff
NGUYEN Doan Thien Chi
Research Assistant
Evaluation and improvements of instruments/sensors for the validation of GOSAT-GW satellite observations
Results
Publications
A high-accuracy dynamic dilution method for generating reference gas mixtures of carbonyl sulfide at sub-nanomole-per-mole levels for long-term atmospheric observation
Atmospheric Measurement Techniques, 17, 5187–5200 (2024)
Nara, H., Saito, T., Umezawa, T., Tohjima, Y.
Shipborne observations of black carbon aerosols in the western Arctic Ocean during summer and autumn 2016–2020: impact of boreal fires
Deng, Y., Tanimoto, H., Ikeda, K., Kameyama, S., Okamoto, S., Jung, J., Yoon, Y J., Yang, E J., & Kang, S-H.
Atmospheric Chemistry and Physics (2024)
Improved continuous measurement system for atmospheric total peroxy and total organic nitrate under the high NOx condition
Ohara, N., Shioji, T., Matsumoto, J., Inomata, S., Sakamoto, Y., Kajii, Y., Shiigi, H., & Sadanaga, Y.
Review of Scientific Instruments. 95, 045101 (2024)
Ship- and aircraft-based XCH4 over oceans as a new tool for satellite validation
Müller, A., Tanimoto, H., Sugita, T., Patra, P. K., Nakaoka, S.-I., Machida, T., Morino, I., Butz, A., & Shiomi, K.
Atmospheric Measurement Techniques, 17, 4, 1297–1316 (2024)
The SPARC water vapour assessment II: biases and drifts of water vapour satellite data records with respect to frost point hygrometer records
Kiefer, M., Hurst, D. F., Stiller, G. P., Lossow, S., Vömel, H., Anderson, J., Azam, F., Bertaux, J.-L., Blanot, L., Bramstedt, K., Burrows, J. P., Damadeo, R., Dinelli, B. M., Eriksson, P., García-Comas, M., Gille, J. C., Hervig, M., Kasai, Y., Khosrawi, F., Murtagh, D., Nedoluha, G. E., Noël, S., Raspollini, P., Read, W. G., Rosenlof, K. H., Rozanov, A., Sioris, C. E., Sugita, T., von Clarmann, T., Walker, K. A., & Weigel, K.
Atmospheric Measurement Techniques, 16(19), 4589-4642 (2023)
Evaluation of Black Carbon Concentration Levels and Trends in East Asia from CMIP6 Climate Models: Comparison to Long-Term Observations in Japan and Biases Due to Chinese Emissions
Ikeda, K., Tanimoto, H., Kanaya, Y., Taketani, F., & Matsuki, A.
SOLA, 19, 239−245 (2023)
Measurement report: Stoichiometry of dissolved iron and aluminum as an indicator of the factors controlling the fractional solubility of aerosol iron – results of the annual observations of size-fractionated aerosol particles in Japan
Sakata, K., Sakaguchi, A., Yamakawa, Y., Miyamoto, C., Kurisu, M., & Takahashi, Y.
Atmospheric Chemistry and Physics, 23, 17, 9815–9836 (2023)
Relationships of emission sources and atmospheric processes of aerosol Fe with its solubility (in Japanese)
Sakata, K., Kurisu, M., & Takahashi, Y.
Chikyukagaku (Geochemistry), 57, 108-126 (2023)
Issues of Atmospheric Chemistry in the Stratosphere and Mesosphere (in Japanese)
江口菜穂，山下陽介，秋吉英治，酒井哲，長濱智生，冨川喜弘，中島英彰，杉田考史，坂崎貴俊，斉藤拓也，水野亮
Archives of Atmospheric Chemistry Research, 48, 048A01 (2023)
Direct Observation and Quantitative Measurement of OH Radical Desorption During the Ultraviolet Photolysis of Liquid Nonanoic Acid
Numadate, N., Saito, S., Nojima, Y., Ishibashi, T., Enami, S., & Hama, T.
J. Phys. Chem. Lett., 13, 35, 8290–8297 (2022)
New science of air pollutants: Toward complete chemical theory and science-based solutions of the emission-driven climate change and health issues (in Japanese)
金谷有剛，須藤健悟, Prabir Patra, 坂本陽介, 関谷高志, 藤縄環, 谷本浩志, 江口菜穂, 齋藤尚子, 笠井康子, 出牛真, 佐藤知紘
Archives of Atmospheric Chemistry Research, 47, 047A03 (2022)
Laboratory experiments for future atmospheric chemistry (in Japanese)
江波進一，石塚紳之介，羽馬哲也，猪俣敏
Archives of Atmospheric Chemistry Research, 47, 047A04 (2022)
Decomposition of multifunctionalized a-alkoxyalkyl-hydroperoxides derived from the reactions of Criegee intermediates with diols in liquid phases
Endo, Y., Sakamoto, Y., Kajii, Y., & Enami, S.
Phys. Chem. Chem. Phys., 24, 11562-11572 (2022)
Aerial (+)-borneol modulates root morphology, auxin signalling and meristematic activity in Arabidopsis roots
Fukuda, K., Uefune, M., Fukaki, H., Yamauchi, Y., Hara-Nishimura, I., Ozawa, R., Matsui, K., Sugimoto, K., Okada, K., Imai, R., Takahashi, K., Enami, S., Wurst, R., & Takabayashi, J.
Biol. Lett. 18: 20210629 (2022)
Improved calibration procedures for the EM27/SUN spectrometers of the COllaborative Carbon Column Observing Network (COCCON)
Alberti, C., Hase, F., Frey, M., Dubravica, D., Blumenstock, T., Dehn, A., Castracane, P., Surawicz, G., Harig, R., Baier, B. C., Bès, C., Bi, J., Boesch, H., Butz, A., Cai, Z., Chen, J., Crowell, S. M., Deutscher, N. M., Ene, D., Franklin, J. E., García, O., Griffith, D., Grouiez, B., Grutter, M., Hamdouni, A., Houweling, S., Humpage, N., Jacobs, N., Jeong, S., Joly, L., Jones, N. B., Jouglet, D., Kivi, R., Kleinschek, R., Lopez, M., Medeiros, D. J., Morino, I., Mostafavipak, N., Müller, A., Ohyama, H., Palmer, P. I., Pathakoti, M., Pollard, D. F., Raffalski, U., Ramonet, M., Ramsay, R., Sha, M. K., Shiomi, K., Simpson, W., Stremme, W., Sun, Y., Tanimoto, H., Té, Y., Tsidu, G. M., Velazco, V. A., Vogel, F., Watanabe, M., Wei, C., Wunch, D., Yamasoe, M., Zhang, L., & Orphal, J.
Atmos. Meas. Tech., 15, 2433–2463 (2022)
Evaluation of anthropogenic emissions of black carbon from East Asia in six inventories: constraints from model simulations and surface observations on Fukue Island, Japan
Ikeda, K., Tanimoto, H., Kanaya, Y., & Taketani, F.
Environmental Science: Atmospheres (2022)
Prospects for satellite observation design and the development of atmospheric transport model to contribute to the estimation of anthropogenic CO2 emissions for the Global Stocktake (in Japanese)
Yamashita, Y., Tanimoto, H., & Oda, T.
天気, 69, 3-16 (2022)
Decomposition mechanism of α-alkoxyalkyl-hydroperoxides in the liquid phase: temperature dependent kinetics and theoretical calculations
Hu, M., Chen, K., Qiu, J., Lin, Y.-H., Tonokura, K., & Enami, S.
Environ. Sci.: Atmos. (2022)
Versatile and Targeted Validation of Space-Borne XCO2, XCH4 and XCO Observations by Mobile Ground-Based Direct-Sun Spectrometers
Butz, A., Hanft, V., Kleinschek, R., Frey, M. M., Müller, A., Knapp, M., Morino, I., Agusti-Panareda, A., Hase, F., Landgraf, J., Vardag, S., & Tanimoto, H.
Front. Remote Sens. (2022)
Current status and future perspective of satellite observation of greenhouse gases (in Japanese)
Matsunaga, T., Tanimoto, H., & Ohyama, H.
Future perspectives and scopes of earth observations (in Japanese)
Sato, K., Ikeda, K., Terao, Y., Tamashita, Y., Machida, T., & Tanimoto, H.
Dominance of the residential sector in Chinese black carbon emissions as identified from downwind atmospheric observations during the COVID-19 pandemic
Kanaya, Y., Yamaji, K., Miyakawa, T., Taketani, F., Zhu, C., Choi, Y., Ikeda, K., Tanimoto, H., Yamada, D., Narita, D., Kondo, Y., & Klimont, Z.
Scientific Reports, 11: 23378 (2021)
Contribution of combustion Fe in marine aerosols over the northwestern Pacific estimated by Fe stable isotope ratios
Kurisu, M., Sakata, K., Uematsu, M., Ito, A., & Takahashi, Y.
Atmos. Chem. Phys., 21, 16027?16050 (2021)
First X-ray Spectroscopic Observations of Atmospheric Titanium Species: Size Dependence and the Emission Source
Sakata, K., Takahashi, Y., Takano, S., Matsuki, A., Sakaguchi, A., & Tanimoto, H.
Environ. Sci. Technol., 55, 16, 10975–10986 (2021)
Effects of Metal Ions on Aqueous-Phase Decomposition of α‑Hydroxyalkyl-Hydroperoxides Derived from Terpene Alcohols
Hu, M., Tonokura, K., Morino, Y., Sato, K., & Enami, S.
Environmental Science and Technology (2021)
Estimation of fire-induced carbon emissions from Equatorial Asia in 2015 using in situ aircraft and ship observations
Niwa, Y., Sawa, Y., Nara, H., Machida, T., Matsueda, H., Umezawa, T., Ito, A., Nakaoka, S., Tanimoto, H., & Tohjima, Y.
Atmos. Chem. Phys., 21, 9455–9473 (2021)
New approach to evaluate satellite-derived XCO2 over oceans by integrating ship and aircraft observations
Müller, A., Tanimoto, H., Sugita, T., Machida, T., Nakaoka, S., Patra, P. K., Laughner, J., & Crisp, D.
Atmos. Chem. Phys., 21, 8255–8271 (2021)
First Concurrent Observations of NO2 and CO2 from Power Plant Plumes by Airborne Remote Sensing
Fujinawa, T., Kuze, A., Suto, H., Shiomi, K., Kanaya, Y., Kawashima, T., Kataoka, F., Mori, S., Eskes, H., & Tanimoto, H.
Geophysical Research Letters, 48, e2021GL092685 (2021)
Fates of Organic Hydroperoxides in Atmospheric Condensed Phases
Enami, S.
The Journal of Physical Chemistry A, 125, 4513-4523 (2021)
Model and Satellite Analysis of Transport of Asian Anthropogenic Pollution to the Arctic: Siberian and Pacific Pathways and Their Meteorological Controls
Ikeda, K., Tanimoto, H., Sugita, T., Akiyoshi, H., Clerbaux, C., & Coheur, P.-F.
Journal of Geophysical Research: Atmospheres, 126, e2020JD033459 (2021)
Temperature and acidity dependence of secondary organic aerosol formation from α-pinene ozonolysis with a compact chamber system
Deng, Y., Inomata, S., Sato, K., Ramasamy, S., Morino, Y., Enami, S., & Tanimoto, H.
Atmos. Chem. Phys., 21, 5983-6003 (2021)
10 New Insights in Climate Science 2020 - a Horizon Scan
Pihl, E., Alfredsson, E., Bengtsson, M., Bowen, K. J., Broto, V. C., Chou, K. T., Cleugh, H., Ebi, K., Edwards, C. M., Fisher, E., Friedlingstein, P., Godoy-Faúndez, A., Gupta, M., Harrington, A. R., Hayes, K., Hayward, B. M., Hebden, S. R., Hickmann, T., Hugelius, G., Ilyina, T., Jackson, R. B., Keenan, T. F., Lambino, R. A., Leuzinger, S., Malmaeus, M., McDonald, R. I., McMichael, C., Miller, C. A., Muratori, M., Nagabhatla, N., Nagendra, H., Passarello, C., Penuelas, J., Pongratz, J., Rockström, J., Romero-Lankao, P., Roy, J., Scaife, A. A., Schlosser, P., Schuur, E., Scobie, M., Sherwood, A. C., Sioen, G. B., Skovgaard, J., Obregon, E. A. S., Sonntag, S., Spangenberg, J. H., Spijkers, O., Srivastava, L., Stammer, D. B., Torres, P. H. C., Turetsky, M. R., Ukkola, A. M., van Vuuren, D. P., Voigt, C., Wannous, C., & Zelinka, M. D.
Global Sustainability, 4 (2021)
Development of an Algorithm to Retrieve Aerosol Optical Properties Over Water Using an Artificial Neural Network Radiative Transfer Scheme: First Result From GOSAT-2/CAI-2
Shi, C., Hashimoto, M, Shiomi, K., & Nakajima, T.
IEEE Transactions on Geoscience and Remote Sensing (2020)
Transdisciplinary Research Priorities for Human and Planetary Health in the Context of the 2030 Agenda for Sustainable Development
Ebi, K. L., Harris, F., Sioen, G. B., Wannous, C., Anyamba, A., Bi, P., Boeckmann, M., Bowen, K., Cissé, G., Dasgupta, P., Dida, G.O., Gasparatos, A., Gatzweiler, F., Javadi, F., Kanbara, S., Kone, B., Maycock, B., Morse, A., Murakami, T., Mustapha, A., Pongsiri, M., Suzán, G., Watanabe, C., & Capon, A.
Int. J. Environ. Res. Public Health, 17, 8890 (2020)
Projecting ozone hole recovery using an ensemble of chemistry-climate models weighted by model performance and independence
Amos, M., Young, P. J., Hosking, J. S., Lamarque, J.-F., Abraham, N. L., Akiyoshi, H., Archibald, A. T., Bekki, S., Deushi, M., Jockel, P., Kinnison, D., Kirner, O., Kunze, M., Marchand, M., Plummer, D. A., Saint-Martin, D., Sudo, K., Tilmes, S., & Yamashita, Y.
Atmospheric Chemistry and Physics 20, 9961-9977 (2020)
Rapid reduction of black carbon emissions from China: evidence from 2009-2019 observations on Fukue Island, Japan
Kanaya, Y., Yamaji, K., Miyakawa, T., Taketani, F., Zhu, C., Choi, Y., Komazaki, Y., Ikeda, K., Kondo, Y. & Klimont, Z.
Atmospheric Chemistry and Physics 20, 6339-6356 (2020)
The SPARC water vapour assessment II: profile-to-profile comparisons of stratospheric and lower mesospheric water vapour data sets obtained from satellites
Lossow, S., Khosrawi, F., Kiefer, M., Walker, K. A., Bertaux, J.-L., Blanot, L., Russell, J. M., Remsberg, E. E., Gille, J. C., Sugita, T., Sioris, C. E., Dinelli, B. M., Papandrea, E., Raspollini, P., Garcia-Comas, M., Stiller, J. P., von Clarmann, T., Dudhia, A., Read, W. G., Nedoluha, G. E., Damadeo, R. P., Zawodny, J. M., Weigel, K., Rozanov, A., Azam, F., Bramstedt, K., Noel, S., Burrows, J. P., Sagawa, H., Kasai, Y., Urban, J., Eriksson, P., Murtagh, D. P., Hervig, M. E., Hogberg, C., Hurst, D. F. & Rosenlof, K. H.
Atmospheric Measurement Techniques 12, 2693-2732 (2019)
Analysis of the Ozone Reduction Event Over the Southern Tip of South America in November 2009
Akiyoshi, H., Kadowaki, M., Nakamura, H., Sugita, T., Hirooka, T., Harada, Y. & Mizuno, A.
Journal of Geophysical Research: Atmospheres 123, 12,523-12,542 (2018)
Decadal shifts in wind patterns reduced continental outflow and suppressed ozone trend in the 2010s in the lower troposphere over Japan
Okamoto, S., Tanimoto, H., Hirota, N., Ikeda, K. & Akimoto, H.
J. Geophys. Res-Atmos. 123 (2018)
Seasonal Response of North Western Pacific Marine Ecosystems to Deposition of Atmospheric Inorganic Nitrogen Compounds from East Asia
Taketani, F., Aita, M. N., Yamaji, K., Sekiya, T., Ikeda, K., Sasaoka, K., Hashioka, T., Honda, M. C., Matsumoto, K. & Kanaya, Y.
Scientific Reports 8:9324 (2018)
Comparison of ozone profiles from DIAL, MLS, and chemical transport model simulations over Rio Gallegos, Argentina, during the spring Antarctic vortex breakup, 2009
Sugita, T., Akiyoshi, H., Wolfram, E., Salvador, J., Ohyama, H. & Mizuno, A.
Atmos. Meas. Tech. 10, 4947-4964 (2017)
Emission factors of CO2, CO and CH4 from Sumatran peatland fires in 2013 based on shipboard measurements
Nara, H., Tanimoto, H., Tohjima, Y., Mukai, H., Nojiri, Y. & Machida, T.
Tellus B 69, 1399047 (2017)
Tagged tracer simulations of black carbon in the Arctic: transport, source contributions, and budget
Ikeda, K., Tanimoto, H., Sugita, T., Akiyoshi, H., Kanaya, Y., Zhu, C. & Taketani, F.
Atmos. Chem. Phys. 17, 10515-10533 (2017)
A review of atmospheric chemistry observations at mountain sites
Okamoto, S. & Tanimoto, H.
Progress in Earth and Planetary Science 3:34 (2016)
MIPAS IMK/IAA CFC-11 (CCl3F) and CFC-12 (CCl2F2) measurements: accuracy, precision and long-term stability
Eckert, E., Laeng, A., Lossow, S., Kellmann, S., Stiller, G., von Clarmann, T., Glatthor, N., Hopfner, M., Kiefer, M., Oelhaf, H., Orphal, J., Funke, B., Grabowski, U., Haenel, F., Linden, A., Wetzel, G., Woiwode, W., Bernath, P. F., Boone, C., Dutton, G. S., Elkins, J. W., Engel, A., Gille, J. C., Kolonjari, F., Sugita, T., Toon, G. C. & Walker, K. A.
Atmos. Meas. Tech. 9, 3355-3389 (2016)