OSAFUNE Satoshi

Affiliation and department：

Research field (1)： Atmospheric and hydrospheric science

Research theme for competitive and other funds (6)：

2022 - 2027 逆推定法を利用した太平洋大規模循環・変動と沿岸水の関わりの解明
2015 - 2020 Pacific Ocean state estimation and clarification of mechanism of ocean circulation by data synthesis of global observations
2016 - 2019 Ocean circulation changes in the Pacific Ocean and the Bering Sea originated from the Arctic Ocean
2013 - 2016 Study of decadal to multi-decadal variability in ocean by using 4-dimensional variational data assimilation method
2008 - 2012 Direct observations of tidal mixing and studies on ocean/climate variability synchronized with 18.6-year period nodal tidal cycle

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Papers (35)：

Nozomi Sugiura, Shinya Kouketsu, Satoshi Osafune. Ocean data assimilation focusing on integral quantities characterizing observation profiles. Frontiers in Marine Science. 2024. 11
Takahito Ikenoue, Ryota Nakajima, Satoshi Osafune, Eko Siswanto, Makio C. Honda. Vertical Flux of Microplastics in the Deep Subtropical Pacific Ocean: Moored Sediment-Trap Observations within the Kuroshio Extension Recirculation Gyre. Environmental Science & Technology. 2024
Ryota Nakajima, Akira Nagano, Satoshi Osafune, Masashi Tsuchiya, Katsunori Fujikura. Aggregation and transport of microplastics by a cold-core ring in the southern recirculation of the Kuroshio Extension: the role of mesoscale eddies on plastic debris distribution. Ocean Dynamics. 2024
Toshimasa Doi, Satoshi Osafune, Shuhei Masuda, Hajime Obata, Kazuhiro Misumi, Eric Pieter Achterberg, Andrew Bowie, Jun Nishioka. Global oceanic iron distribution estimated by dynamic interpolation. 2024
Satoshi Osafune, Shinya Kouketsu, Toshimasa Doi, Nozomi Sugiura, Shuhei Masuda. A global ocean state estimation using tidally induced vertical-mixing schemes. Ocean Modelling. 2022

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Lectures and oral presentations (89)：

四次元変分法による沿岸水塊形成の最適推定に向けて
(日本海洋学会 2024年度秋季大会 2024)
Heat budget in the surface layer related to the Pacific decadal oscillation
(Japan Geoscience Union Meeting 2024 2024)
Role of heat transport by geostrophic current in determining heat content anomaly related to the Pacific decadal oscillation
(Ocean Science Meeting 2024 2024)
南極海と南太平洋東における海表面マイクロプラスチックの分布量
(2023)
BGCフロートアレイの展開海域が長期海洋環境再現実験に与える影響の推定
(2023)

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Professional career (1)：

Awards (2)：

2009/10 - PICES POC Committee Best Presentation Award Numerical study of bidecadal water mass variations in the subarctic North Pacific related to the 18.6-year tidal cycle
2005/10 - PICES POC Committee Best Presentation Award Bidecadal variability in the intermediate waters of the northwestern subarctic Pacific and the Okhotsk Sea in relation to the 18.6-year nodal tidal cycle

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