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Shigemitsu Masahito  重光 雅仁

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Masahito Shigemitsu  重光 雅仁

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Researcher Number 20511695
Other IDs
Affiliation (Current) 2025: 国立研究開発法人海洋研究開発機構, 地球環境部門(海洋観測研究センター), 副主任研究員
Affiliation (based on the past Project Information) *help 2020 – 2024: 国立研究開発法人海洋研究開発機構, 地球環境部門(海洋観測研究センター), 研究員
2019: 国立研究開発法人海洋研究開発機構, 地球環境部門(海洋観測研究センター), 技術研究員
2018 – 2019: 国立研究開発法人海洋研究開発機構, 地球環境観測研究開発センター, 技術研究員
Review Section/Research Field
Principal Investigator
Basic Section 63010:Environmental dynamic analysis-related
Except Principal Investigator
Medium-sized Section 63:Environmental analyses and evaluation and related fields / Basic Section 63010:Environmental dynamic analysis-related / Basic Section 63040:Environmental impact assessment-related
Keywords
Principal Investigator
物質循環モデル / 微生物 / 溶存有機物 / 貧酸素化 / 酸性化 / 生物ポンプ / 微生物炭素ポンプ / 海洋炭素循環 / 微生物による炭素固定 / 温暖化 … More / 無機炭素固定 / 細菌生産量 / 従属栄養細菌生産速度 / DIC固定速度 / DIC固定微生物 / 全球ボックスモデル / 微生物群集 / 従属栄養微生物 / DIC固定生物 … More
Except Principal Investigator
生物ポンプ / 海洋物質循環 / 微生物海洋学 / 海洋環境評価 / 貧酸素化 / 環境影響評価 / 海洋酸性化 / 海洋環境変動 / 底魚 / プランクトン / 海洋溶存酸素 / 海洋生態系 / 太平洋 / 日本海 / 北太平洋 / 海洋貧酸素化 / 地球システムモデル / 観測データ解析 / 海洋脱酸素化 / 地球温暖化 / 窒素同位体モデル / 古海洋 / 窒素同位体比 Less
  • Research Projects

    (6 results)
  • Research Products

    (30 results)
  • Co-Researchers

    (15 People)
  •  Should dissolved organic matter be considered in future projection of ocean acidification and deoxygenation due to global warming?Principal Investigator

    • Principal Investigator
      重光 雅仁
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      Japan Agency for Marine-Earth Science and Technology
  •  The role of the biological pump in regulating the ocean carbon cycle

    • Principal Investigator
      横川 太一
    • Project Period (FY)
      2022 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      Japan Agency for Marine-Earth Science and Technology
  •  Acceleration of ocean acidification due to shutdown of winter CO2 efflux in the subarctic western North Pacific Ocean

    • Principal Investigator
      脇田 昌英
    • Project Period (FY)
      2020 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 63040:Environmental impact assessment-related
    • Research Institution
      Japan Agency for Marine-Earth Science and Technology
  •  Establishment of a New Palaeoceanographic Nitrogen Cycle Analysis Method Using a Nitrogen Isotope Model

    • Principal Investigator
      Yoshikawa Chisato
    • Project Period (FY)
      2019 – 2023
    • Research Category
      Grant-in-Aid for Challenging Research (Exploratory)
    • Review Section
      Medium-sized Section 63:Environmental analyses and evaluation and related fields
    • Research Institution
      Japan Agency for Marine-Earth Science and Technology
  •  Clarification of effect of dark dissolved inorganic carbon (DIC) fixation on oceanic carbon cyclePrincipal Investigator

    • Principal Investigator
      Masahito Shigemitsu
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      Japan Agency for Marine-Earth Science and Technology
  •  Impacts of Climate Variability and Change on Ocean Oxygen

    • Principal Investigator
      Minobe Shoshiro
    • Project Period (FY)
      2018 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 63:Environmental analyses and evaluation and related fields
    • Research Institution
      Hokkaido University

All 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Controlling factors of latitudinal distribution of dissolved organic matter in the upper layers of the Indian Ocean2024

    • Author(s)
      Shigemitsu M.、Sasaoka K.、Wakita M.、Yokokawa T.、Hashioka T.、Arulananthan K.、Murata A.
    • Journal Title

      Progress in Earth and Planetary Science

      Volume: 11 Issue: 1

    • DOI

      10.1186/s40645-024-00623-0

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Journal Article] Editorial: Constraining uncertainties in hindcasts and future projections of marine deoxygenation2024

    • Author(s)
      Shigemitsu Masahito、Duteil Olaf、Ito Takamitsu、Tjiputra Jerry、Eddebbar Yassir
    • Journal Title

      Frontiers in Marine Science

      Volume: 10

    • DOI

      10.3389/fmars.2023.1355015

    • Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Journal Article] A nitrogen isoscape of phytoplankton in the western North Pacific created with a marine nitrogen isotope model2024

    • Author(s)
      Yoshikawa Chisato、Shigemitsu Masahito、Yamamoto Akitomo、Oka Akira、Ohkouchi Naohiko
    • Journal Title

      Frontiers in Marine Science

      Volume: 11 Pages: 1294608-1294608

    • DOI

      10.3389/fmars.2024.1294608

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19KK0293, KAKENHI-PROJECT-20KK0165, KAKENHI-PROJECT-20K12144, KAKENHI-PROJECT-19K22917, KAKENHI-PROJECT-18H04129
  • [Journal Article] Sedimentary supply of humic-like fluorescent dissolved organic matter and its implication for chemoautotrophic microbial activity in the Izu-Ogasawara Trench2021

    • Author(s)
      Shigemitsu M.、Yokokawa T.、Uchida H.、Kawagucci S.、Murata A.
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 1-10

    • DOI

      10.1038/s41598-021-97774-7

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18H04129, KAKENHI-PROJECT-19H04246
  • [Journal Article] Determining the distribution of fluorescent organic matter in the Indian Ocean using in situ fluorometry2020

    • Author(s)
      M.Shigemitsu, H. Uchida, T. Yokokawa, K. Arulananthan, and A. Murata
    • Journal Title

      Frontiers in microbiology

      Volume: 11 Pages: 1-15

    • DOI

      10.3389/fmicb.2020.589262

    • NAID

      130008129758

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H04246, KAKENHI-PROJECT-18H04129, KAKENHI-PROJECT-23K20393
  • [Presentation] Nitrogen isoscape of phytoplankton in the western North Pacific created nitrogen isotope model a marine2024

    • Author(s)
      Chisato Yoshikawa, Masahito Shigemitsu, Akitomo Yamamoto, Akira Oka and Naohiko Ohkouchi
    • Organizer
      Ocean Science Meeting 2024
    • Data Source
      KAKENHI-PROJECT-19K22917
  • [Presentation] Distribution of Fluorescent Organic Matter in the Indian Ocean via an in situ Fluorometer2023

    • Author(s)
      Masahito Shigemitsu, Hiroshi Uchida, Taichi Yokokawa, Akihiko Murata
    • Organizer
      Ocean Sciences Meeting 2024
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] 長期温暖化に伴い溶存有機物が海洋中の酸素に及ぼす影響2023

    • Author(s)
      重光雅仁、山本彬友、岡顕、阿部彩子、山中康裕
    • Organizer
      日本海洋学会2023年度秋季大会
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] 西部北太平洋における一次生産者の窒素同位体比地図2023

    • Author(s)
      吉川知里・重光雅仁・山本彬友・岡顕・大河内直彦
    • Organizer
      日本地球化学会 第70回年会
    • Data Source
      KAKENHI-PROJECT-19K22917
  • [Presentation] Building a nitrogen isoscape of phytoplankton in the western North Pacific using a marine nitrogen isotope model2022

    • Author(s)
      Chisato Yoshikawa, Masahito Shigemitsu, Akitomo Yamamoto, Akira Oka, Naohiko Ohkouchi
    • Organizer
      JPGU2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K22917
  • [Presentation] 中部インド洋におけるウイルス様粒子密度および細菌細胞密度の水平鉛直分布2022

    • Author(s)
      横川太一 , 重光雅仁
    • Organizer
      日本海洋学会2022年度秋季大会
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] 西部北太平洋亜寒帯域における海洋酸性化と海洋生物への影響2022

    • Author(s)
      脇田昌英・永野憲・内田裕・中野善之・木元克典・重光雅仁・藤木徹一
    • Organizer
      日本海洋学会2022年度秋季大会
    • Data Source
      KAKENHI-PROJECT-23K20393
  • [Presentation] Performance of a neutral network model of marine dissolved organic carbon compounds and microbes2022

    • Author(s)
      Masahito Shigemitsu
    • Organizer
      Japan Geoscience Union Meeting 2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] Building a nitrogen isoscape of phytoplankton in the western North Pacific using a marine nitrogen isotope model2022

    • Author(s)
      Chisato Yoshikawa, Masahito Shigemitesu, Akitomo Yamamoto, Akira Oka, Naohiko Ohkouchi
    • Organizer
      Japan Geoscience Union Meeting 2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] インド洋表層に存在する溶存有機物の制御要因2022

    • Author(s)
      重光雅仁、笹岡晃征、脇田昌英、横川太一、橋岡豪人、村田昌彦
    • Organizer
      日本海洋学会2022年度秋季大会
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] 中部インド洋におけるウイルス様粒子密度および細菌細胞密度の水平鉛直分布:北緯5.9度-南緯65.3度間の南北断面観測結果2022

    • Author(s)
      横川太一、重光雅仁
    • Organizer
      日本海洋学会2022年度秋季大会
    • Data Source
      KAKENHI-PROJECT-23K24979
  • [Presentation] インド洋表層に存在する溶存有機物の制御要因2022

    • Author(s)
      重光雅仁、笹岡晃征、脇田昌英、横川太一、橋岡豪人、村田昌彦
    • Organizer
      日本海洋学会2022年度秋季大会
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] Performance of a neutral network model of marine dissolved organic carbon compounds and microbes2022

    • Author(s)
      Masahito Shigemitsu
    • Organizer
      Japan Geoscience Union Meeting 2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] 現場型蛍光センサーによるインド洋における蛍光性有機物の子午面分布2021

    • Author(s)
      重光雅仁、内田裕、横川太一、村田昌彦
    • Organizer
      日本地球化学会第68会年会
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] 現場型傾向センサーによるインド洋における蛍光性有機物の子午面分布2021

    • Author(s)
      重光雅仁、内田裕、横川太一、村田昌彦
    • Organizer
      日本地球化学会第68回年会
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] CDOMセンサーを用いた外洋域への応用について2021

    • Author(s)
      重光雅仁
    • Organizer
      令和2年度三官庁海洋業務連絡会海洋測器専門委員会
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] Hydrigraphic section along 57°E in the South Indian Ocean2020

    • Author(s)
      K. Katsumata, Y. Kumamoto, H. Uchida, S. Kouketsu, M. Shigemitsu, K. Sasaoka, and M. Hamana
    • Organizer
      The 11th symposium on polar science
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] 伊豆・小笠原海溝の蛍光性溶存有機物とDIC固定速度2020

    • Author(s)
      重光雅仁、横川太一、内田裕、川口慎介、村田昌彦
    • Organizer
      日本海洋学会2020年度秋季大会
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] 「みらい」インド洋・南大洋航海MR19-042020

    • Author(s)
      勝又勝郎、熊本雄一郎、内田裕、纐纈慎也、重光雅仁、笹岡晃征、濱名 実
    • Organizer
      海と地球のシンポジウム2020
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] 伊豆・小笠原海溝の蛍光性溶存有機物とDIC固定速度2020

    • Author(s)
      重光雅仁、横川太一、内田裕、川口慎介、村田昌彦
    • Organizer
      日本海洋学会2020年度秋季大会
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] インド洋北部における将来の溶存酸素濃度変動2019

    • Author(s)
      重光 雅仁, 山本 彬友, 岡 顕
    • Organizer
      日本海洋学会2019年度秋季大会
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] Dissolved organic carbon (DOC) in the Indian Ocean2019

    • Author(s)
      SHIGEMITSU MASAHITO, YOSHIKAWA CHISATO , WAKITA MASAHIDE, MURATA AKIHIKO
    • Organizer
      日本海洋学会2019年度秋季大会 SCOR-GEOTRACESジョイントセッション
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] インド洋北部における将来の溶存酸素濃度変動2019

    • Author(s)
      重光 雅仁, 山本 彬友, 岡 顕
    • Organizer
      日本海洋学会2019年度秋季大会
    • Data Source
      KAKENHI-PROJECT-18H04129
  • [Presentation] Dissolved organic carbon (DOC) in the Indian Ocean2019

    • Author(s)
      SHIGEMITSU MASAHITO, YOSHIKAWA CHISATO , WAKITA MASAHIDE, MURATA AKIHIKO
    • Organizer
      日本海洋学会2019年度秋季大会 SCOR-GEOTRACESジョイントセッション
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H04246
  • [Presentation] 東部赤道太平洋における将来の溶存酸素変動の不確実性2018

    • Author(s)
      重光 雅仁 , 山本 彬友 , 岡 顕, 山中 康裕
    • Organizer
      日本海洋学会2018年度秋季大会
    • Data Source
      KAKENHI-PROJECT-18H04129
  • 1.  横川 太一 (00402751)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 6 results
  • 2.  山本 彬友 (30794680)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 4 results
  • 3.  Yoshikawa Chisato (40435839)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 4.  Minobe Shoshiro (70219707)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  纐纈 慎也 (30421887)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  小埜 恒夫 (40371786)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  佐々木 克徳 (50604815)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  安中 さやか (80620393)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  相田 真希 (90463091)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  山田 洋輔 (80773720)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  脇田 昌英 (30415989)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 12.  内田 裕 (00359150)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 13.  永野 憲 (40421888)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 14.  中野 善之 (20566103)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 15.  木元 克典 (40359162)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results

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