ABOUT

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.
Full CV is available HERE

NEWS / Upcoming Talks

• AMS25
  • Kurosawa, K., Okazaki, A., Ensemble-Approximated Model Predictive Control for Meteorological Applications
• AGU24
  • Hamamoto, S., Kawakami, K., Sasage, M., Matsumoto, M., Bong, H., Yoshimura, K., Okazaki, A., Matoba, S., Iizuka, Y., Uemura, R., Intra-annual Age Scale Based on Oxygen Isotope Record from SE-Dome II Ice core, Greenland, AGU24, Washington, D.C., 9-13 Dec. 2024.
  • Kaneko, R., OKazaki, A., Kotsuki, S., Precipitation super-resolution only using Restricted Boltzmann Machine, AGU24, Washington, D.C., 9-13 Dec. 2024.
  • Kino, K., Cauquoin, A., Okazaki, A., Oki, T., Yoshimura, K., Synoptic Moisture Intrusion Provided Heavy Isotope Precipitations in Inland Antarctica During the Last Glacial Maximum, AGU24, Washington, D.C., 9-13 Dec. 2024.
  • Kurosawa, K. and Okazaki, A., Bridging Data Assimilation and Control Theory toward Disaster Mitigation Induced by Extreme Weather Events, AGU24, Washington, D.C., 9-13 Dec. 2024.
  • Okazaki, A., Li, Y., Kino, K., Cauquoin, A., Yoshimura, K., Evaluation of an atmospheric component of newly developed isotope-enabled GCM MIROC6-iso under the present climate, AGU24, Washington, D.C., 9-13 Dec. 2024.
  • Shiojiri, D., Muto, Y., Okazaki, A., Kotsuki, S., Estimating precipitation patterns from gauge observations using analog offline ensemble data assimilation, AGU24, Washington, D.C., 9-13 Dec. 2024.
  • Shiraishi, K., Muto, Y., Okazaki, A., Kotsuki, S., Downscaling Precipitation Data using Convolutional Neural Network Coupled with Wasserstein Generative Adversarial Networks, AGU24, Washington, D.C., 9-13 Dec. 2024.
• 自動制御連合講演会
  • 黒澤賢太, 岡崎淳史, 高次元非線形システムのためのアンサンブル近似を用いたモデル予測制御, 自動制御連合講演会, 23-24 Nov. 姫路.
  • 永井陸斗, 樋口裕太, 岡崎淳史, 小蔵正輝, ブラックボックス最適化手法の気象制御に向けた有効性評価, 自動制御連合講演会, 23-24 Nov. 姫路.
  • Zhicheng Zhang, Yoshihiko Susuki, and Astushi Okazaki, Exploring SCALE Weather Data via Koopman Modes, 自動制御連合講演会, 23-24 Nov. 姫路.
• 日本気象学会
  • 黒澤賢太, 岡崎淳史, 高次元非線形システムのためのアンサンブル近似を用いたモデル予測制御, 日本気象学会秋季大会, 12-15 Nov. 2024, つくば.
  • 青野憲史, Nguyen Tat Trung, 前田崇, 冨井直弥, 岡崎淳史, 観測システムシミュレーション実験によるSAMRAI 観測が台風Nanmadol (2022) の予測に与えるインパクト, 日本気象学会秋季大会, 12-15 Nov. 2024, つくば.
  • 中野博文, 小槻峻司, 佐藤陽祐, 荒木健太郎, 橋本明弘, 岡崎淳史, 深層学習を用いたスマートフォン撮影雪結晶の自動分類, 日本気象学会秋季大会, 12-15 Nov. 2024, つくば.
  • 木野佳音, Alexandre Cauquoin, 岡崎淳史, 沖大幹, 芳村圭, 最終氷期最盛期（LGM）の南極内陸降水同位体比に総観規模大気循環による水蒸気輸送が与える影響, 日本気象学会秋季大会, 12-15 Nov. 2024, つくば.
  • 小槻峻司, 白石健太, 岡崎淳史, Vision Transformer型AI天気予報モデルを用いたアンサンブルカルマンフィルタClimaX-LETKFの開発, 日本気象学会秋季大会, 12-15 Nov. 2024, つくば.
  • 岡崎淳史, 小槻峻司, 芳村圭, イノベーション統計を用いた気候プロキシの誤差推定, 日本気象学会秋季大会, 12-15 Nov. 2024, つくば.
• ISDA
  • Kurosawa, K., and Okazaki, A., Ensemble Approximation-based Model Predictive Control for Disaster Mitigation in Extreme Weather Events, ISDA, 21-25 Oct. 2024, Kobe, Japan.
  • Takeshima, A., Okazaki, A., Kotsuki, S., Investigating importance of resampling frequency of the local particle filter with Ganssian mixture, ISDA, 21-25 Oct. 2024, Kobe, Japan.
  • Inuki, K., Kaneko, R., Okazaki, A., Kotsuki, S., Reconstructing Rankine vortices from Doppler wind data using deep-learning-based generative models, ISDA, 21-25 Oct. 2024, Kobe, Japan.
• Goldschmidt
  • Gusyev, M., Cauquoin, A., Yoshimura, K., Bong, H., Okazaki, A., Komuro, Y., Ono, J., Quantifying impacts of anthropogenic tritium releases at the Fukushima Daiichi Nuclear Power Plant in tritiated water cycle with numerical modeling, Goldschmidt 2024, Chicago, IL, USA, 18-23 Aug 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, Goldschmidt 2024, Chicago, IL, USA, 18-23 Aug 2024.
• GEWEX
  • Cheng, J., Okazaki, A., Cauquoin, A., Yoshimura, K. Seasonal response of reconstructed historical ENSO to volcanism with isotopic paleoclimate data assimilation, 9th Global Energy and Water Exchanges Open Science Conference (GEWEX), 8-11 Jul., Sapporo, Japan.
  • Kino, K., Okazaki, A., Cauquoin, A., Oki, T., Yoshimura, K., Precipitation Isotope Variations in Inland Antarctica Contributed by Episodic Warm and Moist Air Intrusion from Mid-Latitudes––For a Better Understanding of Paleoclimate, 9th Global Energy and Water Exchanges Open Science Conference (GEWEX), 8-11 Jul., Sapporo, Japan.
  • Kurosawa, K. and Okazaki, A., Bridging Data Assimilation And Control Theory Toward Disaster Mitigation In Extreme Weather Events, 9th Global Energy and Water Exchanges Open Science Conference (GEWEX), 8-11 Jul., Sapporo, Japan.
  • Li, Y., Cauquoin, A., Okazaki, A., Yoshimura, K., Evaluation of the Isotope-enabled Fully Coupled Model MIROC6-iso: how can it help us better understand the Asian monsoon?, 9th Global Energy and Water Exchanges Open Science Conference (GEWEX), 8-11 Jul., Sapporo, Japan.
  • Okazaki, A., Li, Y., Kino, K., Cauquoin, A., Yoshimura, K., Evaluation Of A Newly Developed Isotope-Enabled AGCM MIROC6-Iso Under The Present Climate, 9th Global Energy and Water Exchanges Open Science Conference (GEWEX), 8-11 Jul., Sapporo, Japan.
• 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
  • Kino, K., Cauquoin, A., Okazaki, A., Oki, T., Yoshimura, K., Exploring Meteorological Interventions through Data assimilation and Model Predictive Control toward Disaster Mitigation in Extreme Weather Events
  • Kurosawa, K., Okazaki, A., Exploring Meteorological Interventions through Data Assimilation and Model Predictive Control toward Disaster Mitigation in Extreme Weather Events
  • Miyoshi, T., Ohishi, S., Tomita, H., Otsuka, S., Taylor, J., Liang, J., Konduru, R. T., Satoh, M. Matsugishi, S., Kotsuki, S., Okazaki, A., Honda, T., OKAMOTO, K., Ikuta, Y., Terasaki, K., Yashiro, H., Kanemaru, K., Yamazaki, A.,A platform to design and pre-evaluate frequent satellite observing systems for innovating weather, ocean and land surface prediction
  • Miyoshi, T., Ohishi, S., Liang, J., Konduru, R. T., Otsuka, S., Kotsuki, S., Terasaki, K., Okazaki, A., Tomita, H., 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
  • 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
  • Tiwari, G., Okazaki, A., Employing parameterization schemes to proliferate large-member ensemble for heavy rainfall simulations: Susceptibility to the precipitation and trigger
• 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 General Assembly 2024, Vienna, Austria, 14-19 April, 2024.
  • Li, Y., Cauquoin, A., Okazaki, A., and Yoshimura, K., Development of the Isotope-enabled Fully Coupled Model MIROC6-iso, EGU General Assembly 2024, Vienna, Austria, 14-19 April, 2024.
  • Hamamoto, S., Matoba, S., Kawakami, K., Sasag, M., Matsumoto, M., Yoshimura, K., Okazaki, A., Bong, H., Iizuka, Y., and Uemura, R., Seasonally Resolved Age Scale based on Oxygen Isotope Record from SE-Dome II Ice Core, Greenland, EGU General Assembly 2024, Vienna, Austria, 14-19 April, 2024.
• Start working at Chiba University as an associate professor (10/01/23)
• 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)