Shigemitsu Masahito

Affiliation and department：

Research field (1)： Space and planetary science

Research keywords (1)： Ocean biogeochemical dynamics

Research theme for competitive and other funds (9)：

2024 - 2027 地球温暖化に伴う「海洋酸性化・貧酸素化」の将来予測に溶存有機物は考慮すべきか?
2022 - 2025 The role of the biological pump in regulating the ocean carbon cycle
2020 - 2025 Acceleration of ocean acidification due to shutdown of winter CO2 efflux in the subarctic western North Pacific Ocean
2018 - 2023 Impacts of Climate Variability and Change on Ocean Oxygen
2019 - 2022 窒素同位体モデルを用いた新たな古海洋窒素サイクル解析手法の確立

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Papers (37)：

Masahito Shigemitsu, K. Sasaoka, M. Wakita, T. Yokokawa, T. Hashioka, K. Arulananthan, A. Murata. Controlling factors of latitudinal distribution of dissolved organic matter in the upper layers of the Indian Ocean. Progress in Earth and Planetary Science. 2024
C. Yoshikawa, M. Shigemitsu, A. Yamamoto, A. Oka, N. Ohkouchi. A nitrogen isoscape of phytoplankton in the western North Pacific created with a marine nitrogen isotope model. Frontiers in Marine Science. 2024. 11
Shigemitsu M, Duteil O, Ito T, Tjiputra J, Eddebbar Y. Editorial: Constraining uncertainties in hindcasts and future projections of marine deoxygenation. Frontiers in Marine Science. 2023. 10:1355015
Masahito Shigemitsu, Taichi Yokokawa, Hiroshi Uchida, Shinsuke Kawagucci, Akihiko Murata. Sedimentary supply of humic-like fluorescent dissolved organic matter and its implication for chemoautotrophic microbial activity in the Izu-Ogasawara Trench. Scientific Reports. 2021. 11. 19006
Shigemitsu, M, H. Uchida, T. Yokokawa, K. Arulananthan, A. Murata. Determining the distribution of fluorescent organic matter in the Indian Ocean using in situ fluorometry. Frontiers in Microbiology. 2020

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MISC (2)：

Books (1)：

Relating phytoplankton physiology to North Pacific Biogeochemistry, Western Pacific Air-Sea Interaction Study
TERRAPUB 2014

Lectures and oral presentations (11)：

Dissolved organic carbon (DOC) in the Indian Ocean
(2019)
Revisiting the stoichiometry of marine organic matter decomposition
(2018 Ocean Science Meeting 2018)
Possible uncertainty in CMIP5 projections of low-oxygen water volume in the Eastern Tropical Pacific
(JpGU-AGU Joint Meeting 2017 2017)
Climate-driven variability and anthropogenic trend of oceanic suboxia
(IMBER Open Science Conference 2014)
Oxygen trends in the Atlantic over the 20th and 21st centuries projected by a 3D ocean biogeochemical model
(Instability in the Earth System 2013)

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Education (3)：

Work history (8)：

2024/04 - 現在 Marine Biogeochemical Dynamics Research Unit, WPI-AIMEC researcher
2020/04 - 現在 Japan Agency For Marine-Earth Science and Technology Physical and Chemical Oceanography Research Group Researcher
2015/04 - 2020/03 Japan Agency for Marine-Earth Science and Technology
2008/04 - 2015/03 北海道大学地球環境科学研究員地球圏科学部門気候力学分野博士研究員
2011/03 - 2012/02 スイス連邦工科大学環境物理学部客員研究員

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Committee career (2)：

2024/05 - 現在ユネスコ政府間海洋学委員会協力推進委員会, 海洋観測・気候変動国内専門部会
2024/02 - 現在 Global Ship-based Hydrographic Investigation Program, Executive group

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