Atsushi Okazaki is an Associate Professor at Institute of Advanced Academic Research (IAAR) / Center for Environmental Remote Sensing (CEReS), Chiba University, Japan.
His research interests are in stable water isotopes modeling and data assimilation for hydrology, weather prediction, and paleoclimate.

• Upcoming Talks:
  • Kurosawa, K. et al. Adjoint Workshop.
  • JpGU 2024
    • Hamamoto, S., Kawakami, K., Sasage, M., Matsumoto, M., Bong, H., Yoshimura, K., Okazaki, A., Matoba, S., Iizuka, Y., Uemura, R., Seasonal Age Scale and Intra-annual Pattern of Oxygen Isotope Record from SE-Dome II Ice core, Greenland, JpGU
    • Inuki, K., Kaneko, R., Okazaki, A., Kotsuki, S., Disentanglement of the features in Rankine vortices using VAE
    • Kurosawa, K., Okazaki, A., Exploring Meteorological Interventions through Data Assimilation and Model Predictive Control toward Disaster Mitigation in Extreme Weather Events
    • Miyoshi, T., Oishi, S., Tomita, H., Otsuka, S., Taylor, J., Juanyu, L., Konduru, R. T., Satoh, M., Matsugishi, S., Kotsuki, S., Okazaki, A., Honda, T., Okamoto, K., Ikuta, Y., Terasaki, K., Yashiro, H., Kanemaru, K., Yamazaki, S., A platform to design and pre-evaluate frequent satellite observing systems for innovating weather, ocean and land surface prediction, JpGU 2024.
    • Okazaki, A., Tanoue, M., Kino, K., Cauquoin, A., Yoshimura, K., Estimation of Parameters in an Isotope-Enabled GCM with Data Assimilation and Satellite-Based Observations (Invited)
    • Okazaki, A., Ultra-High Spatiotemporal Resolution Reconstruction of the Climate around Japan with Large Ensemble of Climate Simulations and Old Documents (Invited)
    • Shiraishi, K., Muto, Y., Okazaki, A., Kotsuki, S., Downscaling precipitation data using convolutional neural network coupled with Wasserstein generative adversarial networks
  • EGU 2024
    • Cauquoin, A., Gusyev, M., Komuro, Y., Bong, H., Okazaki, A., and Yoshimura, K., Simulation of tritium releases into the atmosphere during the Fukushima accident and into the ocean due to planned discharge of treated water, EGU
    • Li, Y. et al.
  • GEWEX
    • Cheng, J. et al.
    • Kino, K. et al.
    • Kurosawa, K. and Okazaki, A.
    • Li, Y. et al.
    • Okazaki, A. et al.
  • Cauquoin, A., Gusyev, M., Komuro, Y., Bong, H., Okazaki, A., and Yoshimura, K., Simulation of tritium releases into the atmosphere during the Fukushima accident and into the ocean due to planned discharge of treated water, The 10th Annual Symposium of the IER, Fukushima University, Fukushima,29 Feb. 2024.
  • 三好建正, 大石俊, Jianyu Liang, Rakesh Teja Konduru, 大塚成徳, Michael Goodliff, 小槻峻司, 寺崎康児, 岡﨑淳史, 富田浩文, 金丸佳矢, 佐藤正樹, 松岸修平, 八代尚, 岡本幸三, 久保田拓志, 可知美佐子, Eugenia Kalnay, 雲・降水・海洋の衛星データ同化の高度化と応用, GPMおよび衛星シミュレータ合同研究集会, Nagoya, Mar. 7-8, 2024.
  • AMS2024
    • Miyoshi, T., Ohishi, S., Liang, J., Konduru, R., Otsuka, S., Kotsuki, S., Terasaki, K., Okazaki, A., Tomita, H., Chen, Y.-W., Kanemaru, K., Satoh, M., Yashiro, H., Okamoto, K., Kalnay, E., Kubota, T., Kachi, M., Advances and applications of satellite data assimilation of clouds, precipitation, and the ocean, AMS
    • Tiwari, G. and Okazaki, A.,
  • AGU2023
    • Miyoshi, T., Ohishi, S., Liang, J., Konduru, R., Otsuka, S., Kotsuki, S., Terasaki, K., Okazaki, A., Tomita, H., Chen, Y.-W., Kanemaru, K., Satoh, M., Yashiro, H., Okamoto, K., Kalnay, E., Kubota, T., Kachi, M., Advances and applications of satellite data assimilation of clouds, precipitation, and the ocean, AGU Annual Meeting 2023, San Francisco, CA, USA, 11-15 December 2023.
    • Okazaki, A., Li, Y., Kino, K., Cauquoin, A., Yoshimura, K., Evaluation of a newly developed isotope-enabled AGCM MIROC6-iso under the present climate, AGU Annual Meeting 2023, San Francisco, CA, USA, 11-15 December 2023.
    • Okazaki, A. and Tiwari, G., For the generation of large-member ensemble with multi-combination of parameterized schemes: A study for typhoon case, AGU Annual Meeting 2023, San Francisco, CA, USA, 11-15 December 2023.
    • McKinney, M. and Okazaki, A., An Intercomparison of Last Millennium Paleoclimate Reconstructions Representing a Variety of Data Assimilation Methods, AGU Annual Meeting 2023, San Francisco, CA, USA, 11-15 December 2023.
  • AOGS
    • Miyoshi, T., Ohishi, S., Liang, J., Konduru, R., Otsuka, S., Kotsuki, S., Terasaki, K., Okazaki, A., Tomita, H., Chen, Y.-W., Kanemaru, K., Satoh, M., Yashiro, H., Okamoto, K., Kalnay, E., Kubota, T., Kachi, M., Advances and applications of satellite data assimilation of clouds, precipitation, and the ocean, AOGS2023, 30 Jul-4 Aug 2023.
  • JpGU
    • Miyoshi, T., Ohishi, S., Liang, J., Konduru, R., Otsuka, S., Kotsuki, S., Terasaki, K., Okazaki, A., Tomita, H., Chen, Y.-W., Kanemaru, K., Satoh, M., Yashiro, H., Okamoto, K., Kalnay, E., Kubota, T., Kachi, M., Advances and applications of satellite data assimilation of clouds, precipitation, and the ocean, JpGU Meeting 2023, Chiba, Japan, 21-26 May 2023.
    • Miyoshi, T., Ohishi, S., Otsuka, S., Taylor, J., Liang, J., Konduru, R. T., Terasaki, K., Kotsuki, S., Honda, T., Okazaki, A., Experimental platform for design and advance evaluation of frequent satellite observations to innovate weather, ocean and land surface prediction, JpGU Meeting 2023, Chiba, Japan, 21-26 May 2023.
    • Okazaki, A. et al., Climate reconstruction with observation errors estimated by innovation statistics, JpGU Meeting 2023, Chiba, Japan, 21-26 May 2023. (Invited poster)
    • Okazaki, A. et al., Estimation of parameters in an isotope-enabled GCM with data assimilation, JpGU Meeting 2023, Chiba, Japan, 21-26 May 2023.
    • Hamamoto, S. et al., Seasonally Resolved Age Scale for Greenland SE-Dome II Ice Core Based on Oxygen Isotope Record, JpGU Meeting 2023, Chiba, Japan, 21-26 May 2023.
  • Bong, H., et al., PROCESS-BASED QUANTIFICATION OF UNCERTAINTY IN WATER ISOTOPE MODELS, International Symposium on Isotope Hydrology, 2023.
  • Cauquoin, A. et al., Implementation of tritium in the Atmospheric General Circulation Model MIROC5-iso to investigate the dynamics of the hydrological cycle, International Symposium on Isotope Hydrology, 2023.
  • Kino, K. et al., Heavy Water Isotope Precipitation in Inland East Antarctica Accompanied by Strong Southern Westerly Winds during the Last Glacial Maximum, EGU General Assembly 2023, Vienna, Austria, 23-28 April 2023.
• Awarded “Hirosaki University Outstanding Young Tehsis Award” (10/21/2022)
• Will attend Uncertainty quantification in models and data, 30th PMIP anniversary as a panelist on 3 Dec. 2021.
• Our research achievement was introduced by a newspaper!
  • Nikkei (07/07/21)
  • Toonippo (07/11/21)
• A press release about GPR was published (07/07/21)
• start working at Hirosaki University as an assistant professor (03/01/21)

E-mail: atsushi.okazaki@chiba-u.jp
Phone: +81-43-290-3834
1-33 Yayoi-cho, Inage, Chiba, Chiba, 263-0022, Japan

E-mail: atsushi.okazaki@hirosaki-u.ac.jp
Phone: +81-172-39-3543
3 Bunkyo-cho, Hirosaki, Aomori, 036-8560, Japan

E-mail: atsushi.okazaki@riken.jp
7-1-26 Minatojima-minami-machi Chuo-ku, Kobe, Hyogo 650-0047, Japan