Global Atmospheric Chemistry Section

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, 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.




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)
Analysis of Arctic Spring Ozone Anomaly in the Phases of QBO and 11-Year Solar Cycle for 1979-2017
Yamashita, Y., Akiyoshi, H., & Takahashi, M.
Atmosphere, 12(5), 582 (2021)
Methyl Chloroform Continues to Constrain the Hydroxyl (OH) Variability in the Troposphere
Patra, P. K., Krol, M. C., Prinn, R. G., Takigawa, M., Mühle, J., Montzka, S. A., Lal, S., Yamashita, Y., Naus, S., Chandra, N., Weiss, R. F., Krummel, P. B., Fraser, P. J., O'Doherty, S., & Elkins, J. W.
Journal of Geophysical Research: Atmospheres, 126, e2020JD033862 (2021)
Effects of the Tibetan High and the North Pacific High on the Occurrence of Hot or Cool Summers in Japan
Inoue, M., Ugajin, A., Kiguchi, O., Yamashita, Y., Komine, M., & Yamakawa, S.
Atmosphere, 12(3), 307 (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)
Effect of model resolution on black Carbon transport from Siberia to the Arctic associated with the well-developed low-pressure systems in Septembers
Yamashita, Y., Takigawa, M., Goto, D., Yashiro, H., Satoh, M., Kanaya, Y., Taketani, F., & Miyakawa, T.
Journal of the Meteorological Society of Japan, 99 (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)