Rchr
J-GLOBAL ID：201801005590871966
Update date: Mar. 29, 2024
Otosaka Shigeyoshi
オトサカ シゲヨシ | Otosaka Shigeyoshi
Affiliation and department：
Job title：
准教授
Research field (3)：
Analytical chemistry
, Space and planetary science
, Environmental dynamics
Research keywords (7)：
Biogeochemical cycles
, Environmental radioactivity
, Trace Elements
, Seabed sediment
, Sinking particles
, Japan Sea
, Pacific Ocean
Research theme for competitive and other funds (9)：
- 2022 - 2025 Fresh water spreads offshore far away from coast and impacts on primary production
- 2020 - 2023 Construction of a model for the diffusion and circulation of deep subsurface life and carbon to the ocean via submarine mud volcanism
- 2019 - 2023 Behavior and function of dissolved organic matter in the northwestern Pacific Ocean discovered by radiocarbon age
- 2016 - 2019 Development of versatile analysis system for dissolved organic radiocarbon in seawater
- 2010 - 2014 Inter-comparison of 14C dates on tree rings among 14C laboratories and construction of calibration datasets for Japanese archeological remains
- 2009 - 2011 Geochemical cycles in the Japan Sea from spatial distributions of multi-radionuclides
- 2007 - 2010 Geochemical ocean sections study focusing on trace elements and isotopes in the Indian Ocean and the Japan Sea (GEOTRACES Program)
- 2007 - 2009 Trace metal transport mechanism in Japan Sea and Western North Pacific
- 2006 - 2008 ACCURATE DATING OF RIVERINE PARTICULATE ORGANIC MATTER
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Papers (68)：
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Yosuke Yamada, Akiko Ebihara, Hideki Fukuda, Shigeyoshi Otosaka, Satoshi Mitarai, Toshi Nagata. Functions of extracellular polymeric substances in partitioning suspended and sinking particles in the upper oceans of two open ocean systems. Limnology and Oceanography. 2024
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Shigeyoshi Otosaka, Yunxuan Hou, Masahide Wakita, Youhei Yamashita, Jun Nishioka, Hajime Obata, Yosuke Miyairi, Yusuke Yokoyama, Hiroshi Ogawa. Origin and Transport of Dissolved Organic Matter in the Northwestern Margin of the North Pacific Inferred from Radiocarbon Signatures. Journal of Coastal Research. 2024. 116. sp1
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Yuhi Satoh, Shigeyoshi Otosaka, Takashi Suzuki, Takahiro Nakanishi. Factors regulating the concentration of particulate iodine in coastal seawater. LIMNOLOGY AND OCEANOGRAPHY. 2023
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Estimation of Temporal Variation of Discharged Inventory of Radioactive Strontium 90Sr (89Sr) from Port of Fukushima Daiichi Nuclear Power Plant: Analysis of the Temporal Variation from the Accident to March 2022 and Evaluation of its Impacts on Fukushima Coast and Offshore Areas. Transactions of the Atomic Energy Society of Japan. 2023. 22. 119-139
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Céline Duffa, Clare Bradshaw, Sabine Charmasson, Yuki Kamidaira, Shigeyoshi Otosaka, Olivier Radakovitch, Inna Senina, Daisuke Tsumune, Jordi Vives i Batlle. Artificial Radionuclides In Coastal Marine Ecosystems. Reference Module in Earth Systems and Environmental Sciences. 2023
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MISC (19)：
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青野辰雄, 西川淳, 乙坂重嘉, 高田兵衛, 御園生敏治, 中西貴宏, 三浦輝, 福田美保, 神林翔太, 櫻田正宣, et al. Variation of radiocaesium activity concentrations in marine environment around off Fukushima. KEK Proceedings (Web). 2022. 2022-2
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山田萌々加, 古橋琴音, 立田穣, 青野辰雄, 高田兵衛, 浜島靖典, 青山道夫, 小林卓也, 乙坂重嘉, 西川淳. Can community structure and trophic level structure explain the variation in 137Cs concentrations in zooplankton off Fukushima?-Results from the 2018 and 2020 investigations. KEK Proceedings (Web). 2022. 2022-2
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青山道夫, 青山道夫, 帰山秀樹, 猪股弥生, 乙坂重嘉, 立田穣, 津旨大輔, 熊本雄一郎. 海洋環境における放射性核種の動態:東京電力福島第一原発事故から10年の海洋科学的総括. 日本海洋学会大会講演要旨集. 2021. 2021
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Shimazaki Tomohiro, Obata Hajime, Tazoe Hirofumi, Otosaka Shigeyoshi, Takeda Shigenobu. Gadolinium anomalies in seawaters of Tokyo Bay and Ariake Sea. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2020. 67. 0. 38-38
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乙坂 重嘉, 小林 卓也, 町田 昌彦. Challenges for enhancing Fukushima environmental resilience(7)Behavior and abundance of radiocesium in the coastal area off Fukushima. Ατομοσ : journal of the Atomic Energy Society of Japan = アトモス : 日本原子力学会誌. 2017. 59. 11. 659-663
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Education (4)：
- - 2004 博士(地球環境科学)北海道大学
- 1998 - 2000 北海道大学 大学院地球環境科学研究科 博士課程(2000年3月退学)
- 1996 - 1998 北海道大学 大学院地球環境科学研究科 修士課程
- 1992 - 1996 Hokkaido University School of Fisheries Sciences
Work history (6)：
Committee career (10)：
- 2021/04 - 現在 日本海洋学会 評議員
- 2020/10 - 現在 日本学術会議 地球惑星科学委員会SCOR分科会 GEOTRACES小委員会 委員
- 2019/05 - 現在 日本分析センター 放射能測定法シリーズ改訂検討委員会 委員
- 2016/05 - 現在 環境科学技術研究所 排出放射能環境動態調査検討委員会 委員
- 2015/04 - 現在 日本海洋学会 Journal of Oceanography 編集委員
- 2012/05 - 現在 日本海洋科学振興財団 海洋放射能等検討委員会 委員
- 2019/04 - 2023/03 日本海洋学会 幹事
- 2013/09 - 2016/10 原子力規制委員会 海洋モニタリングに関する検討会メンバー
- 2011/09 - 2015/07 IAEA/RCA(国際原子力機関 / 原子力科学技術に関する研究、開発及び訓練のための地域協力協定) プロジェクト(RAS7021)チームメンバー
- 2012/02 - 2013/03 文部科学省 海洋環境放射能調査検討会委員
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Awards (5)：
- 2024/03 - Editoral board of Journal of Nuclear Science and Technology, Atomic Energy Society of Japan JNST Most Popular Article Award 2023 Distribution, dynamics, and fate of radiocesium derived from FDNPP accident in the ocean
- 2019/04 - The Oceanographic Society of Japan 2019 Hidaka Outstanding-Publication Award Processes affecting long-term changes in 137Cs concentration in surface sediments off Fukushima
- 2015/04 - American Chemical Society Environmental Science & Technology first runner-up best paper in the Environmental Science category for 2014 Vertical and lateral transport of particulate radiocesium off Fukushima
- 2010/09 - Outstanding paper award Estimation of total amounts of anthropogenic radionuclides in the Japan Sea
- 2007/03 - 日本原子力学会 第39回日本原子力学会賞「貢献賞」 日本海の人工放射性核種分布マップの作成
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