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Atsushi Okazaki

University of California Santa Barbara

30H-index
384Paper Count
3.1KCitation Count
Published Papers 23
Publication Date
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Wasserstein GAN-based precipitation downscaling with optimal transport for enhancing perceptual realism
errProgress in Earth and Planetary Science
IF2.8
err2026-05-13
err0
errOAAI
errKenta Shiraishi; Yuka Muto; Atsushi Okazaki; Shunji Kotsuki
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Improved Response of δ18Osw in the Pacific Ocean to Atmosphere-ocean Interaction and ENSO Using the Isotope-Enabled Fully Coupled Model MIROC6-Iso
errJournal of Advances in Modeling Earth Systems
IF4.6
err2026-04-07
err0
errOAAI
errYifan Li; Alexandre Cauquoin; Atsushi Okazaki; Kei Yoshimura
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Development and evaluation of a black-box optimization framework for weather-intervention design
errJournal of Computational Science
IF3.7
err2026-04-07
err0
errOAAI
errYuta Higuchi; Rikuto Nagai; Yang Bai; Atsushi Okazaki; Naoki Wakamiya; Masaki Ogura
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Water Isotope Model Intercomparison Project (WisoMIP): Present-Day Climate
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2026-02-10
err3
PREAI
errBong, Hayoung; Legrande, Allegra N.; Dee, Sylvia; Zhu, Jiang; Cauquoin, Alexandre; Fiorella, Richard P.; Ding, Qinghua; Dutrievoz, Niels; Tanoue, Masahiro; Frazer, Michelle; Sarkar, Mampi; Agosta, Cecile; Yoshimura, Kei; Werner, Martin; Okazaki, Atsushi; Risi, Camille; Steen-larsen, Hans Christian; Casado, Mathieu; Wahl, Sonja; Nusbaumer, Jesse; Worden, John; Good, Stephen; Bailey, Adriana; Schneider, Matthias; Noel, Stefan; Mandal, Soumyajit; Bowman, Kevin; Li, Yifan; Schmidt, Gavin A.
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Ensemble data assimilation to diagnose AI-based weather prediction models: a case with ClimaX version 0.3.1
errGeoscientific Model Development
IF4.9
err2026-01-30
err0
errOAAI
errShunji Kotsuki; Kenta Shiraishi; Atsushi Okazaki
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Bottom-up approach for mitigating extreme events with limited intervention options: a case study with Lorenz 96 model
errNonlinear Processes in Geophysics
IF2.4
err2025-11-04
err0
errOAAI
errMitsui, Takahito; Kotsuki, Shunji; Fujiwara, Naoya; Okazaki, Atsushi; Tokuda, Keita
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Observation error estimation in climate proxies with data assimilation and innovation statistics
errCLIMATE OF THE PAST
IF3.2
err2025-10-22
err0
errOAAI
errOkazaki, Atsushi; Carrio, Diego S.; Dalaiden, Quentin; Harrison-Lofthouse, Jarrah; Kotsuki, Shunji; Yoshimura, Kei
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Ensemble-based model predictive control using data assimilation techniques
errNONLINEAR PROCESSES IN GEOPHYSICS
IF0
err2025-09-08
err0
errOAAI
errKurosawa, Kenta; Okazaki, Atsushi; Kawasaki, Fumitoshi; Kotsuki, Shunji
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Contrasting Impacts of ENSO Evolution on the Interannual Variation of Precipitation Isotopes Over the Tibetan Plateau
errgeophysical research atmospheres
IF0
err2025-07-21
err0
errOAAI
errJingya Cheng; Alexandre Cauquoin; Yan Yang; Atsushi Okazaki; Kei Yoshimura
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Diurnal, seasonal, and interannual variations in δ(18O) of atmospheric O2 and its application to evaluate natural and anthropogenic changes in oxygen, carbon, and water cycles
errATMOSPHERIC CHEMISTRY AND PHYSICS
IF5.1
err2025-02-14
err0
errOAAI
errIshidoya, Shigeyuki; Sugawara, Satoshi; Okazaki, Atsushi
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Modeling Natural Tritium in Precipitation and its Dependence on Decadal Solar Activity Variations Using the Atmospheric General Circulation Model MIROC5-Iso
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2024-03-01
err2
errOAAI
errCauquoin, A.; Fourre, E.; Landais, A.; Okazaki, A.; Yoshimura, K.
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errSave
Process-Based Intercomparison of Water Isotope-Enabled Models and Reanalysis Nudging Effects
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2024-01-01
err10
errOAAI
errBong, Hayoung; Cauquoin, Alexandre; Okazaki, Atsushi; Chang, Eun-Chul; Werner, Martin; Wei, Zhongwang; Yeo, Namgu; Yoshimura, Kei
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Contribution of the Southern Annular Mode to Variations in Water Isotopes of Daily Precipitation at Dome Fuji, East Antarctica
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2021-12-06
err12
PREAI
errKino, Kanon; Okazaki, Atsushi; Cauquoin, Alexandre; Yoshimura, Kei
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Revisiting Online and Offline Data Assimilation Comparison for Paleoclimate Reconstruction: An Idealized OSSE Study
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2021-08-16
err10
errOAAI
errOkazaki, Atsushi; Miyoshi, Takemasa; Yoshimura, Kei; Greybush, Steven J.; Zhang, Fuqing
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errSave
Weight structure of the Local Ensemble Transform Kalman Filter: A case with an intermediateatmospheric general circulation model
errQUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY
IF2.9
err2020-08-18
err5
errOAAI
errKotsuki, Shunji; Pensoneault, Andrew; Okazaki, Atsushi; Miyoshi, Takemasa
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Global Evaluation of Proxy System Models for Stable Water Isotopes With Realistic Atmospheric Forcing
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2019-08-19
err24
errOAAI
errOkazaki, Atsushi; Yoshimura, Kei
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errSave
Simulating precipitation radar observations from a geostationary satellite
errATMOSPHERIC MEASUREMENT TECHNIQUES
IF3.3
err2019-07-19
err3
errOAAI
errOkazaki, Atsushi; Honda, Takumi; Kotsuki, Shunji; Yamaji, Moeka; Kubota, Takuji; Oki, Riko; Iguchi, Toshio; Miyoshi, Takemasa
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Development and evaluation of a system of proxy data assimilation for paleoclimate reconstruction
errCLIMATE OF THE PAST
IF3.2
err2017-04-20
err27
errOAAI
errOkazaki, Atsushi; Yoshimura, Kei
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errSave
Radiofrequency thermal treatment with chemoradiotherapy for advanced rectal cancer
errONCOLOGY REPORTS
IF3.9
err2016-03-07
err4
errOAAI
errShoji, Hisanori; Motegi, Masahiko; Osawa, Kiyotaka; Okonogi, Noriyuki; Okazaki, Atsushi; Andou, Yoshitaka; Asao, Takayuki; Kuwano, Hiroyuki; Takahashi, Takeo; Ogoshi, Kyoji
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Understanding the variability of water isotopologues in near-surface atmospheric moisture over a humid subtropical rice paddy in Tsukuba, Japan
errJOURNAL OF HYDROLOGY
IF6.3
err2016-02-01
err34
errOAAI
errWei Zhongwang; Yoshimura, Kei; Okazaki, Atsushi; Ono, Keisuke; Kim, Wonsik; Yokoi, Masaharu; Lai, Chun-Ta
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Research Directions

No research directions
Co-authors
Cooperation Journals
H
Hiroyuki Kuwano
H-index: 86 · Papers: 1.5K
G
Gavin A. Schmidt
H-index: 81 · Papers: 385
F
Fuqing Zhang
H-index: 75 · Papers: 401
M
Martin Werner
H-index: 69 · Papers: 1.0K
A
Amaëlle Landais
H-index: 63 · Papers: 557
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