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Obata Hajime  小畑 元

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OBATA Hajime  小畑 元

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Researcher Number 90334309
Other IDs
External Links
Affiliation (Current) 2023: 東京大学, 大気海洋研究所, 教授
Affiliation (based on the past Project Information) *help 2016 – 2023: 東京大学, 大気海洋研究所, 教授
2010 – 2016: 東京大学, 大気海洋研究所, 准教授
2007 – 2009: The University of Tokyo, Ocean Research Institute, Associate professor
2003 – 2006: 東京大学, 海洋研究所, 講師
2002: 東京大学, 海洋研究所, 助手
Review Section/Research Field
Principal Investigator
Environmental dynamic analysis / 地球化学 / Environmental dynamic analysis / Basic Section 63010:Environmental dynamic analysis-related
Except Principal Investigator
Environmental dynamic analysis / Basic Section 63010:Environmental dynamic analysis-related / Geochemistry/Astrochemistry / Transformative Research Areas, Section (IV) / Science and Engineering / Complex systems / Broad Section K
Keywords
Principal Investigator
微量金属元素 / 海水 / 海洋 / 鉄 / 現場型自動分析計 / 鉄(II) / 白金 / 河口域 / コロイド / 粒子態 … More / 溶存態 / アルミニウム / インジウム / 縁辺海 / 量子態 / トリウム-230 / トリウム-232 / 半閉鎖系海域 / コロイド態 / 化学海洋学 / 現場分析 / 還元化学種 / 化学発光法 / 化学発光 / 現場型分析装置 / 熱水プルーム / 亜鉛 / 硫化物 / 有機配位子 / 自動分析装置 / 海底熱水活動 / 有機錯体 / 錯生成 / 貴金属元素 / 銀 / 同位体希釈-ICP質量分析法 / カソーデイックストリッピングボルタンメトリー法 / 太平洋 / 南極海 / イリジウム / ボルタンメトリー / 超微量貴金属元素 / 海洋物質循環 / 白鳳丸 / セリウム同位体比 / ネオジウム同位体比 / マイクロフローネビューライザー / マンガンノジュール / 希土類元素 / 水塊トレーサー / 表面電離質量分析 / ネオジム同位体 / novel trace metal / silver / platinum / isotope dilution-ICP mass spectrometry / cathodic stripping voltammetry / Pacific Ocean / Southern Ocean / パラジウム / 人為起源 / 沿岸域 / 堆積物 / 沿岸堆積物 / 内湾 / 海水の滞留時間 / 陰イオン交換樹脂 / 海洋科学 / 環境分析 / 白金族元素 / ICP質量分析 / 粒子 / 分配比 … More
Except Principal Investigator
海洋科学 / 地球化学 / 微量元素 / 海洋生態 / 植物プランクトン / 珪藻 / 同位体 / 鉄 / GEOTRACES / 生物地球化学 / 生物ケイ酸 / ケイ素 / 生物生産 / 北太平洋 / 栄養物質 / 地球観測 / 大気海洋物質循環 / 大気海洋相互作用 / 黄砂 / 海洋の微量元素 / インド洋の化学観測 / 日本海の化学観測 / 国際共同調査 / 研究船白鳳丸 / 海洋環境化学 / 環境変動 / 炭素循環 / 国際GEOTRACES計画 / 微量元素と同位体 / 海洋の生物地球化学 / 学術研究船 / 太平洋 / クリーン採水 / 海洋の微量元素・同位体 / 南太平洋・南極海 / 海水のクリーン採取・分析 / 学術研究船白鳳丸 / 海洋の地球化学サイクル / 微量元素・同位体計測 / 環境分析 / 国際共同GEOTRACES計画 / 国際共同観測 / 環境質定量化 / 有機配位子 / 琵琶湖 / 化学スペシエーション / 環境質定量化・予測 / 気候効果気体 / 鉄散布実験 / 水塊追跡 / 硫化ジメチル / 二酸化炭素隔離 / 海洋生物生産 / Ocean science / Iron / Diatom / Bioaenic Bass / Iron fertilization / Water-mass tracking / Dimethvl sulfide / CO_2 sequestration / 地球科学 / 安定同位体 / 質量分析 / ケイ藻 / ケイ酸 / Earth science / Marine ecosystem / Silicon / Diatoms / Stable isotope / Mass spectrometry / Biogenic silica / Phytoplankton / 西部北太平洋亜寒帯 / 栄養物質循環 / 縁辺海 / 親潮源流域 / 北太平洋亜寒帯域 / 西部ベーリング海 / オホーツク海 / 基礎生産 / 化学トレーサー / 海洋生態系 / 物質循環 / 化学海洋学 / 3次元循環像 / HNLC海域 / 親潮上流 / 西部北太平洋 / ベーリング海 / 栄養物質3次元循環像 / Nd同位体 / 栄養物質3次元循環像 / 化学的プロパティ / 腐植物質 / 銅 / 錯化容量 / 沿岸海洋 / 陸水 / 外洋 / 沿岸域 / 亜寒帯外洋域 / 栄養物質交換 Less
  • Research Projects

    (21 results)
  • Research Products

    (338 results)
  • Co-Researchers

    (70 People)
  •  Study of the internal cycles of trace metals in the western North Pacific by using ship observation and modelingPrincipal Investigator

    • Principal Investigator
      小畑 元
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      The University of Tokyo
  •  Research promotion for Macroscale Coastal Oceanography

    • Principal Investigator
      羽角 博康
    • Project Period (FY)
      2022 – 2026
    • Research Category
      Grant-in-Aid for Transformative Research Areas (A)
    • Review Section
      Transformative Research Areas, Section (IV)
    • Research Institution
      The University of Tokyo
  •  Material exchange between coastal area and the subarctic North Pacific and biological production

    • Principal Investigator
      西岡 純
    • Project Period (FY)
      2022 – 2026
    • Research Category
      Grant-in-Aid for Transformative Research Areas (A)
    • Review Section
      Transformative Research Areas, Section (IV)
    • Research Institution
      Hokkaido University
  •  水圏環境における鉄と銅の錯生成および酸化還元に対する微生物滲出物の役割解明Host Researcher

    • Host Researcher
      小畑 元
    • Project Period (FY)
      2022 – 2023
    • Research Category
      Grant-in-Aid for JSPS Fellows
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      The University of Tokyo
  •  Formation of water nutritional property including iron and silicate at the termination of global ocean conveyor belt

    • Principal Investigator
      西岡 純
    • Project Period (FY)
      2021 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Review Section
      Broad Section K
    • Research Institution
      Hokkaido University
  •  水圏環境における鉄と銅の錯生成および酸化還元に対する微生物滲出物の役割解明Host Researcher

    • Host Researcher
      小畑 元
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for JSPS Fellows
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      The University of Tokyo
  •  Mechanistic insights of microbial exudates in complexation and redox kinetics of iron and copper in aquatic environmentsHost Researcher

    • Host Researcher
      小畑 元
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for JSPS Fellows
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      The University of Tokyo
  •  Anthropogenic platinum and palladium in coastal areasPrincipal Investigator

    • Principal Investigator
      Obata Hajime
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Tokyo
  •  Ocean mixing in the sub-polar marginal seas and biogeochemical dynamics in the western North Pacific

    • Principal Investigator
      JUN NISHIOKA
    • Project Period (FY)
      2015 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Complex systems
    • Research Institution
      Hokkaido University
  •  Development of hydrothermal-derived trace metals monitoring method in the ocean by using the in-situ auto analyzerPrincipal Investigator

    • Principal Investigator
      Hajime Obata
    • Project Period (FY)
      2012 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Tokyo
  •  GEOTRACES program in the Pacific Ocean: studies on the 3-dimensional distribution and behavior of trace elements and isotopes

    • Principal Investigator
      GAMO Toshitaka
    • Project Period (FY)
      2011 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Tokyo
  •  Identification of metal ligands and their producers affecting ecosystem in Lake Biwa

    • Principal Investigator
      MARUO MASAHIRO
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Shiga Prefecture
  •  Study of bioiogeochemical cycles of Fe(II) in the ocean by using an in-situ analyzerPrincipal Investigator

    • Principal Investigator
      OBATA Hajime
    • Project Period (FY)
      2009 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Tokyo
  •  Coupling of silicon and carbon biogeochemical cycles in the surface ocean

    • Principal Investigator
      TAKEDA Shigenobu
    • Project Period (FY)
      2008 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      Nagasaki University
      The University of Tokyo
  •  Geochemical ocean sections study focusing on trace elements and isotopes in the Indian Ocean and the Japan Sea (GEOTRACES Program)

    • Principal Investigator
      GAMO Toshitaka
    • Project Period (FY)
      2007 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Geochemistry/Astrochemistry
    • Research Institution
      The University of Tokyo
  •  Bioavailability and biogeochemical processes of trace metals in the surface ocean

    • Principal Investigator
      TAKEDA Shigenobu
    • Project Period (FY)
      2006 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      The University of Tokyo
  •  海洋の微量元素・同位体に関するグローバル観測研究(国際GEOTRACES計画)

    • Principal Investigator
      GAMO Toshitaka
    • Project Period (FY)
      2005
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geochemistry/Astrochemistry
    • Research Institution
      The University of Tokyo
  •  海水中の溶存態・コロイド態・粒子態微量金属元素の存在量と生物利用性に関する研究Principal Investigator

    • Principal Investigator
      小畑 元
    • Project Period (FY)
      2005 – 2007
    • Research Category
      Grant-in-Aid for Young Scientists (A)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Tokyo
  •  The balance between biogenic silica production and its dissolution in the surface ocean

    • Principal Investigator
      TAKEDA Shigenobu
    • Project Period (FY)
      2005 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Tokyo
  •  Biogeochemical responses of the surface ocean and the lower atmosphere during the meso-scale iron enrichment experiments

    • Principal Investigator
      TSUDA Atsushi
    • Project Period (FY)
      2004 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      The University of Tokyo
  •  Research of marine geochemical cycles of novel trace metals.Principal Investigator

    • Principal Investigator
      OBATA Hajime, 野崎 義行
    • Project Period (FY)
      2001 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      地球化学
    • Research Institution
      The University of Tokyo

All 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2002 2001 Other

All Journal Article Presentation Book

  • [Book] 微量金属. 海洋観測ガイドライン2015

    • Author(s)
      小畑 元
    • Publisher
      日本海洋学会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] New insights into the biogeochemical cycling of copper in the subarctic Pacific: Distributions, size fractionation, and organic complexation2021

    • Author(s)
      Wong, K. H., H. Obata, T. Kim, Y. Kondo, J. Nishioka
    • Journal Title

      Limnology and Oceanography

      Volume: - Pages: 1424-1439

    • DOI

      10.1002/lno.11695

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-19K12309
  • [Journal Article] Moore, Slowly Sinking Particles Underlie Dissolved Iron Transport Across the Pacific Ocean2021

    • Author(s)
      Misumi, K., J. Nishioka, H. Obata, D. Tsumune, T. Tsubono, M. C. Long, K. Lindsay, J. K. Moore
    • Journal Title

      Glob. Biogeochem. Cycles

      Volume: -

    • DOI

      10.1029/2020gb006823

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K21838, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-17H00775
  • [Journal Article] Wide-range detection of Cu-binding organic ligands in seawater using reverse titration2021

    • Author(s)
      Alwi, W., K. H. Wong, H. Fukuda, H. Ogawa, A. Suzuki Mashio, Y. Kondo, J. Nishioka, H. Obata
    • Journal Title

      Marine Chemistry

      Volume: 230

    • DOI

      10.1016/j.marchem.2021.103927

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Widespread distribution of allochthonous fluorescent dissolved organic matter in the intermediate water of the North Pacific2021

    • Author(s)
      Yamashita Youhei、Tosaka Tetsu、Bamba Rise、Kamezaki Ryuichi、Goto Shuji、Nishioka Jun、Yasuda Ichiro、Hirawake Toru、Oida Joji、Obata Hajime、Ogawa Hiroshi
    • Journal Title

      Prog. Oceanogr.

      Volume: 191 Pages: 102510-102510

    • DOI

      10.1016/j.pocean.2020.102510

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05818, KAKENHI-PLANNED-15H05820, KAKENHI-PUBLICLY-18H04910, KAKENHI-PROJECT-19H04249, KAKENHI-WRAPUP-20H05598, KAKENHI-PROJECT-19H04250, KAKENHI-PUBLICLY-20H04965
  • [Journal Article] Size-fractionated natural organic Fe-binding ligands in the eastern and western subarctic Pacific.2021

    • Author(s)
      Kondo Yoshiko、Bamba Rise、Obata Hajime、Nishioka Jun、Takeda Shigenobu
    • Journal Title

      Sci. Rep.

      Volume: 11 Pages: 2053-2053

    • DOI

      10.1038/s41598-021-81536-6

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K12309, KAKENHI-PROJECT-20K21838, KAKENHI-PROJECT-20KK0240, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16H02701
  • [Journal Article] Vertical distributions of Iodine-129 and Iodide in the Chukchi Sea and Bering Sea2020

    • Author(s)
      Miwa, K., H. Obata and T. Suzuki
    • Journal Title

      Journal of Nuclear Science and Technology

      Volume: 57 Pages: 537-545

    • DOI

      10.1080/00223131.2019.1699189

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Sub-polar marginal seas fuel the North Pacific through the intermediate water at the termination of the global ocean circulation2020

    • Author(s)
      Nishioka Jun、Obata Hajime、Ogawa Hiroshi、Ono Kazuya、Yamashita Youhei、Lee Keunjong、Takeda Shigenobu、Yasuda Ichiro
    • Journal Title

      Proceedings of the National Academy of Sciences of the United States of America

      Volume: 117 Pages: 12665-12673

    • DOI

      10.1073/pnas.2000658117

    • NAID

      120006937024

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-ORGANIZER-15H05817, KAKENHI-PLANNED-15H05818, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16H02701, KAKENHI-WRAPUP-20H05598
  • [Journal Article] Shelf humic substances as carriers for basin-scale iron transport in the North Pacific2020

    • Author(s)
      Yamashita, Y., J. Nishioka, H. Obata, and H. Ogawa
    • Journal Title

      Scientific Reports

      Volume: 10 Pages: 4505-4505

    • DOI

      10.1038/s41598-020-61375-7

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H00775, KAKENHI-ORGANIZER-15H05817, KAKENHI-PLANNED-15H05820, KAKENHI-PUBLICLY-18H04910, KAKENHI-PROJECT-19H04249, KAKENHI-PROJECT-16H02701
  • [Journal Article] Observation of Dispersion in the Japanese Coastal Area of Released 90Sr, 134Cs, and 137Cs from the Fukushima Daiichi Nuclear Power Plant to the Sea in 20132019

    • Author(s)
      Tazoe, H., T. Yamagata, K. Tsujita, H. Nagai, H. Obata, D. Tsumune, J. Kanda, and M. Yamada
    • Journal Title

      International Journal of Environmental Research and Public Health

      Volume: 16 Pages: 4094-4094

    • DOI

      10.3390/ijerph16214094

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-18H03383
  • [Journal Article] Developing autonomous observing systems for micronutrient trace metals2019

    • Author(s)
      Grand, M. M., A. Laes-Huon, S. Fietz, J. A. Resing, H. Obata, G. W. Luther III, A. Tagliabue, E. P. Achterberg, R. Middag, A. Tovar-S
    • Journal Title

      Frontiers in Marine Science

      Volume: 6

    • DOI

      10.3389/fmars.2019.00035

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Neodymium concentration and isotopic composition distributions in the southwestern Indian Ocean and the Indian sector of the Southern Ocean.2019

    • Author(s)
      Hiroshi Amakawa、Tsai-Luen Yu、Hirofumi Tazoe、Hajime Obata、Toshitaka Gamo、Yuji Sano、Chuan-Chou Shen、Katsuhiko Suzuki
    • Journal Title

      Chemical Geology

      Volume: - Pages: 190-203

    • DOI

      10.1016/j.chemgeo.2019.01.007

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02142, KAKENHI-PROJECT-16H02701, KAKENHI-PROJECT-16K05581, KAKENHI-PLANNED-15H05820, KAKENHI-PLANNED-15H05830
  • [Journal Article] Distribution and speciation of copper and its relationship with FDOM in the East China Sea2019

    • Author(s)
      Wong Kuo Hong、Obata Hajime、Kim Taejin、Wakuta Yohei、Takeda Shigenobu
    • Journal Title

      Marine Chemistry

      Volume: 212 Pages: 96-107

    • DOI

      10.1016/j.marchem.2019.04.005

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H04479, KAKENHI-PLANNED-15H05820
  • [Journal Article] Organic complexation of copper in estuarine waters: An assessment of the multi-detection window approach2018

    • Author(s)
      Wong, K. H., H. Obata, T. Kim, A. S. Mashio, H. Fukuda, and H. Ogawa
    • Journal Title

      Marine Chemistry

      Volume: 204 Pages: 144-151

    • DOI

      10.1016/j.marchem.2018.07.001

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-15H02801
  • [Journal Article] Distribution of helium-3 plumes and deep-sea circulation in the central Indian Ocean2018

    • Author(s)
      Takahata, N., Hara, T., Shirai, K., Ohmori, K., Obata, H., Gamo, T., and Sano, Y.
    • Journal Title

      Terrestrial, Atmospheric and Oceanic Sciences Journal

      Volume: 29 Pages: 1-10

    • DOI

      10.3319/tao.2017.10.21.02

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H02701, KAKENHI-PROJECT-18K11614, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-17H00777, KAKENHI-PROJECT-18H03732, KAKENHI-PROJECT-18H01324, KAKENHI-PROJECT-16KT0028
  • [Journal Article] The GEOTRACES Intermediate Data Product 2017.2018

    • Author(s)
      Schlitzer, R., et al (J.Nishioka, H. Obata)
    • Journal Title

      Chemical Geology

      Volume: 493 Pages: 210-223

    • DOI

      10.1016/j.chemgeo.2018.05.040

    • NAID

      120006501317

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16H02701
  • [Journal Article] Distribution of zirconium, hafnium, niobium and tantalum in the North Atlantic Ocean, northeastern Indian Ocean and its adjacent seas2018

    • Author(s)
      Lutfi Firdaus, M., A. S. Mashio, H. Obata, J. A. McAlister and K. J. Orians
    • Journal Title

      Deep-Sea Research-I

      Volume: 140 Pages: 128-135

    • DOI

      10.1016/j.dsr.2018.08.008

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Simultaneous measurement of picomolar zirconium, hafnium, niobium and tantalum in seawater using commercially available chelating resin and subsequent ICP-MS determination2018

    • Author(s)
      Lutfi Firdaus, M., A. S. Mashio, T. Kim, R. Muhammad, J. A. McAlister, H. Obata, T. Gamo, and R. Khaydarov
    • Journal Title

      GEOCHEMICAL JOURNAL

      Volume: 52 (5) Issue: 5 Pages: 427-431

    • DOI

      10.2343/geochemj.2.0533

    • NAID

      130007495936

    • ISSN
      0016-7002, 1880-5973
    • Language
      English
    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16H02701
  • [Journal Article] Organic complexation of zinc in a coastal hydrothermal area, Tachibana Bay, Nagasaki, Japan2018

    • Author(s)
      Kim, T., H. Obata, S. Takeda, K. H. Wong, A. S. Mashio and T. Gamo
    • Journal Title

      GEOCHEMICAL JOURNAL

      Volume: 52 (6) Issue: 6 Pages: 29-38

    • DOI

      10.2343/geochemj.2.0545

    • NAID

      130007534745

    • ISSN
      0016-7002, 1880-5973
    • Language
      English
    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16H02701, KAKENHI-PROJECT-16K12577
  • [Journal Article] Novel method for low level Sr-90 activity detection in seawater by combining oxalate precipitation and chelating resin extraction2017

    • Author(s)
      H. Tazoe, H. Obata, M. Tomita, S. Namura, J. Nishioka, T. Yamagata, Z. Karube, and M. Yamada
    • Journal Title

      GEOCHEMICAL JOURNAL

      Volume: 51 Issue: 2 Pages: 193-197

    • DOI

      10.2343/geochemj.2.0441

    • NAID

      130005493842

    • ISSN
      0016-7002, 1880-5973
    • Language
      English
    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PLANNED-24110004, KAKENHI-PROJECT-26340019, KAKENHI-PROJECT-16K12592, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16KT0028
  • [Journal Article] 北太平洋亜寒帯における鉄の供給過程2017

    • Author(s)
      小畑 元, 金 泰辰, 西岡 純
    • Journal Title

      海の研究

      Volume: 26 Pages: 79-93

    • NAID

      130007485163

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Dissolved iron distribution in the western and central subarctic Pacific - HNLC water formation and biogeochemical processes2017

    • Author(s)
      Nishioka, J., and H. Obama
    • Journal Title

      Limnology and Oceanography

      Volume: - Pages: 2004-2022

    • DOI

      10.1002/lno.10548

    • NAID

      120006454479

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26247076, KAKENHI-PROJECT-26281002, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-17H00775
  • [Journal Article] Dissolved iron and zinc in Sagami Bay and the Izu-Ogasawara Trench2017

    • Author(s)
      Obata, H., J. Nishioka, T. Kim, K. Norisuye, S. Takeda, Y. Wakuta, T. Gamo
    • Journal Title

      Journal of Oceanography

      Volume: 73 Pages: 333-344

    • NAID

      40021208736

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Dissolved platinum concentrations in coastal seawater: Boso to Sanriku areas, Japan.2017

    • Author(s)
      Mashio, A. S., H. Obata, and T. Gamo
    • Journal Title

      Archives of Environmental Contamination and Toxicology

      Volume: 73 Pages: 240-246

    • DOI

      10.1007/s00244-017-0373-1

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K12577, KAKENHI-PROJECT-16H02701
  • [Journal Article] Distribution of dissolved zinc in the western and central subarctic North Pacific.2017

    • Author(s)
      Kim, T., H. Obata, J. Nishioka, T. Gamo
    • Journal Title

      Global Biogeochem. Cycles

      Volume: 31 Pages: 1451-1468

    • DOI

      10.1002/2017gb005711

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16H02701, KAKENHI-PROJECT-17H00775
  • [Journal Article] Determination of strontium-90 from direct separation of yttrium-90 by solid phase extraction using DGA Resin for seawater monitoring2016

    • Author(s)
      Tazoe, Hirofumi Obata, Hajime Yamagata, Takeyasu Karube, Zin'ichi Nagai, Hisao Yamada, Masatoshi
    • Journal Title

      Talanta

      Volume: May Pages: 219-227

    • DOI

      10.1016/j.talanta.2016.01.065

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26340019, KAKENHI-ORGANIZER-24110001, KAKENHI-PLANNED-24110004, KAKENHI-PLANNED-15H05820
  • [Journal Article] Dissolved platinum in rainwater, river water and seawater around Tokyo Bay and Otsuchi Bay in Japan2016

    • Author(s)
      A.S. Mashio, H. Obata, H. Tazoe, M. Tsutsumi, A. Ferrer i Santos, and T. Gamo
    • Journal Title

      Estuarine, Coastal and Shelf Science

      Volume: 180 Pages: 160-167

    • DOI

      10.1016/j.ecss.2016.07.002

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-24110004, KAKENHI-PROJECT-16H02701, KAKENHI-PROJECT-26340019, KAKENHI-PROJECT-16K12577, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16KT0028
  • [Journal Article] Transport of trace metals (Mn, Fe, Ni, Zn and Cd) in the western Arctic Ocean (Chukchi Sea and Canada Basin) in late summer 20122016

    • Author(s)
      Kondo, Y., Obata, H., Hioki, N., Ooki, A., Nishino, S., Kikuchi, T., Kuma, K.
    • Journal Title

      Deep-Sea Research-I

      Volume: 116 Pages: 236-252

    • DOI

      10.1016/j.dsr.2016.08.010

    • NAID

      120006987657

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PUBLICLY-16H01592, KAKENHI-PROJECT-15H05712, KAKENHI-PLANNED-15H05820
  • [Journal Article] Dissolved zinc and its speciation in the northeastern Indian Ocean and Andaman Sea.2015

    • Author(s)
      Kim, T-J., Obata, H., and Gamo, T.
    • Journal Title

      Frontier in Marine Science

      Volume: 2 Pages: 1-14

    • DOI

      10.3389/fmars.2015.00060

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24310006, KAKENHI-PLANNED-15H05820
  • [Journal Article] Impact of anthropogenic Pb and ocean circulation on the recent distribution of Pb isotopes in the Indian Ocean2015

    • Author(s)
      Lee, J-M., Boyle, E. A., Gamo T., Obata, H., Norisuye, K., and Echegoyen, Y.
    • Journal Title

      Geochimica et Cosmochimica Acta

      Volume: 170 Pages: 126-144

    • DOI

      10.1016/j.gca.2015.08.013

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24310006
  • [Journal Article] The GEOTRACES intermediate data , product 20142015

    • Author(s)
      GEOTRACES group., (J. Nishioka, H. Obata) et al.
    • Journal Title

      Marine Chemistry

      Volume: 177 Pages: 1-8

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Distribution and speciation of dissolved zinc in the western North Pacific and its adjacent seas2015

    • Author(s)
      Kim, T-J., Obata, H., Kondo, Y., Ogawa, H., Gamo, T.
    • Journal Title

      Marine Chemistry

      Volume: 173 Pages: 330-341

    • DOI

      10.1016/j.marchem.2014.10.016

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24310006, KAKENHI-PROJECT-24310008, KAKENHI-PLANNED-24121005
  • [Journal Article] Chemical speciation and vertical profiles of dissolved sulfides in oxic seawater over the sublittorial hydrothermal area of Kikai Caldara: Dispersed hydrothermally-derived sulfides throughout the water column.2015

    • Author(s)
      N. Nakayama, K. Shirai, Y. Sano, T. Gamo, H. Obata
    • Journal Title

      Geochemical Journal

      Volume: 49

    • DOI

      10.2343/geochemj.2.0374

    • NAID

      130005092564

    • Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24221002, KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24310006
  • [Journal Article] Impact of anthropogenic Pb and ocean circulation on the recent distribution of Pb isotopes in the Indian Ocean2015

    • Author(s)
      Lee, J.-M., E. A. Boyle, T. Gamo, H. Obata, K. Norisuye and Y. Echegoyen
    • Journal Title

      Geochimica et Cosmochimica Acta

      Volume: 170 Pages: 126-144

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Journal Article] Sampling and onboard analytical methods for determining subnanomolar concentrations of zinc in seawater.2015

    • Author(s)
      Kim, T., H. Obata, T. Gamo and J. Nishioka
    • Journal Title

      Limnology and Oceanography: Methods

      Volume: 13 Pages: 30-39

    • DOI

      10.1002/lom3.10004

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24310006, KAKENHI-PROJECT-23253001
  • [Journal Article] Molecular hydrogen and carbon monoxide in seawater in an area adjacent to Kuroshio and Honshu Island in Japan.2014

    • Author(s)
      Kawagucci, S., Narita, T., Obata, H., Ogawa, H., and Gamo, T.
    • Journal Title

      Marine Chemistry

      Volume: 164 Pages: 75-83

    • DOI

      10.1016/j.marchem.2014.06.006

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24310006, KAKENHI-PROJECT-24310008
  • [Journal Article] Recent distribution of lead in the Indian Ocean reflects the impact of regional emissions2014

    • Author(s)
      Echegoyen, Y., Boyle, E.A., Lee, J.M., Gamo, T., Obata, H., Norisuye, K.
    • Journal Title

      Proceedings of the National Academy of Sciences of the United States of America

      Volume: 111 Pages: 15328-15331

    • DOI

      10.1073/pnas.1417370111

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24241004
  • [Journal Article] Precise determination of dissolved platinum in seawater of the Japan Sea, the Sea of Okhotsk and the western North Pacific.2014

    • Author(s)
      Suzuki, A., Obata, H., Okubo, A., Gamo, T.
    • Journal Title

      Marine Chemistry

      Volume: 166 Pages: 114-121

    • DOI

      10.1016/j.marchem.2014.10.003

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24310006
  • [Journal Article] Anthropogenic Lead Emissions in the Ocean: The Evolving Global Experiment2014

    • Author(s)
      Boyle, E.A., Lee, J-M., Echegoyen, Y., Noble, A., Moos, S., Carrasco, G., Zhao, N., Kayser, R., Zhang, J., Gamo, T., Obata, H. and Norisue, K.
    • Journal Title

      Oceanography

      Volume: 27 Pages: 69-75

    • DOI

      10.5670/oceanog.2014.10

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24241004
  • [Journal Article] Recent distribution of lead in the Indian Ocean --- the impact of regional emissions2014

    • Author(s)
      Echegoyen, Y., E. A. Boyle, E.A., J. M. Lee, J.M., T. Gamo, T., H. Obata, H., and K. Norisuye
    • Journal Title

      Proceedings of the National Academy of Science (PNAS)

      Volume: in press

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Journal Article] Determination of picomolar beryllium levels in seawater with inductively coupled plasma mass spectrometry following silica-gel preconcentration.2014

    • Author(s)
      Tazoe, H., T. Yamagata, Y. Sakuma, R. Watanabe, T. Matsumura, H. Obata and H. Nagai
    • Journal Title

      Analytica Chimica Acta

      Volume: 852 Pages: 74-81

    • DOI

      10.1016/j.aca.2014.09.015

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Journal Article] Rapid collection of iron hydroxide for determination of Th isotopes in seawater2013

    • Author(s)
      Okubo A., H. Obata, M. Magara, T. Kimura, H. Ogawa
    • Journal Title

      Analytica Chimica Acta

      Volume: 804 Pages: 120-125

    • DOI

      10.1016/j.aca.2013.10.004

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-24121005, KAKENHI-PROJECT-24310006, KAKENHI-PROJECT-24310008
  • [Journal Article] Geochemical origin of hydrothermal fluid methane in sediment-associated fields and its relevance with the geographical distribution of whole hydrothermal circulation.2013

    • Author(s)
      Kawagucci, S., Ueno, Y., Takai, K., Toki, T., Ito, M., Inoue, K., Makabe, A., Yoshida, N., Muramatsu, Y., Takahata, N., Sano, Y., Narita, T., Teranishi, G., Obata, H., Nakagawa, S., Nunoura, T., and Gamo, T
    • Journal Title

      Chemical Geology

      Volume: 339 Pages: 213-225

    • DOI

      10.1016/j.chemgeo.2012.05.003

    • Peer Reviewed
    • Data Source
      KAKENHI-ORGANIZER-20109001, KAKENHI-PROJECT-23224013, KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-23687004, KAKENHI-PROJECT-24310006, KAKENHI-PLANNED-20109005
  • [Journal Article] Neodymium isotopic composition and concentration in the central South Pacific Ocean.2013

    • Author(s)
      Amakawa, H., H. Tazoe, H. Obata, T. Gamo, Y. Sano, and C-C. Shen
    • Journal Title

      Geochemical Journal

      Volume: 47 Pages: 409-422

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Journal Article] Evidence of an extensive spread of hydrothermal dissolved iron in the Indian Ocean.2013

    • Author(s)
      Nishioka, J., Obata, H., Tsumune, D.
    • Journal Title

      Earth and Planetary Science Letters

      Volume: 361 Pages: 26-33

    • DOI

      10.1016/j.epsl.2012.11.040

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20221002, KAKENHI-PROJECT-22221001, KAKENHI-PROJECT-22241001, KAKENHI-PROJECT-22310001, KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-24310006
  • [Journal Article] Coupled isotopic systematics of surface cerium and neodymium in the Pacific Ocean.2011

    • Author(s)
      Tazoe H., Obata H., Gamo T.
    • Journal Title

      Geochem. Geophys. Geosys.(Q04004, doi : 10.1029/2010GC003342.) 12

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa Trough : Implication for origin of methane in subseafloor fluid circulation systems2011

    • Author(s)
      Kawagucci S., 16名, Obata H., Gamo, T.
    • Journal Title

      Geochemical Journal

      Volume: 45 Pages: 109-124

    • NAID

      10028198287

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Journal Article] Coupled isotopic systematics of surface cerium and neodymium in the Pacific Ocean2011

    • Author(s)
      Tazoe, H., H. Obata, and T. Gamo
    • Journal Title

      Geochemistry Geophysics Geosystems 2011

      Volume: 12 Pages: 1-14

    • DOI

      10.1029/2010gc003342

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21310007, KAKENHI-PROJECT-21540503, KAKENHI-PROJECT-23253001, KAKENHI-PROJECT-23710017
  • [Journal Article] Unique elution behavior of bromide and nitrate in anion-exchange chromatography using potassium chloride eluent containing cadmium or zinc ion2011

    • Author(s)
      Maruo M, H.Obata
    • Journal Title

      Analytical Sciences

      Volume: 27(9) Pages: 949-951

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Journal Article] Unique elution behavior of bromide and nitrate in anion-exchange chromatography using aqueous potassium chloride eluent containing cadmium or zinc ion2011

    • Author(s)
      Maruo, M. and H. Obata
    • Journal Title

      Analytical Sciences

      Volume: 27 Pages: 949-951

    • NAID

      10029761242

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Journal Article] Unique elution behavior of bromide and nitrate in anion-exchange chromatography using potassium chloride eluent containing cadmium or zinc ion2011

    • Author(s)
      Masahiro Maruo, Hajime Obata
    • Journal Title

      Analytical Sciences

      Volume: 27 Pages: 949-951

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Journal Article] 水圏試料中微量溶存鉄(11)の比色定量における至適pH条件に関する再検討2010

    • Author(s)
      丸尾雅啓, 永岡一樹, 小林一星, 小沢佳那子, 小畑元
    • Journal Title

      分析化学

      Volume: 59 Pages: 1143-1147

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Journal Article] High-resolution measurement of multiple volatile organic compounds dissolved in seawater using equilibrator inlet-proton transfer reaction-mass spectrometry(EI-PTR-MS).2010

    • Author(s)
      Kameyama, S., S.Takeda(他6名,7番目), H.Obata(8番目)
    • Journal Title

      Mar.Chem. 122

      Pages: 59-73

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Microbial carbon isotope fractionation to produce extraordinarily heavy methane in aging hydrothermal plumes over the southwestern Okinawa Trough.2010

    • Author(s)
      Gamo T., Tsunogai U., Ichibayashi S., Chiba H., Obata H., Oomori T., Noguchi T., Baker E.T., Doi T., Maruo M., Sano Y.
    • Journal Title

      Geochem. J. 44

      Pages: 477-487

    • NAID

      10027719969

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Microbial carbon isotope fractionation to produce extraordinarily heavy methane in aging hydrothermal plumes over the southwestern Okinawa Trough.2010

    • Author(s)
      Gamo, T., Tsunogai, U., Ichibayashi, S., Chiba, H., Obata, H., Oomori, T., Noguchi, T., Baker, E.T., Doi, T., Maruo, M., Sano, Y.
    • Journal Title

      Geochemical Journal

      Volume: 44 Pages: 477-487

    • NAID

      10027719969

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Gas geochemical characteristics of hydrothermal plumes at the HAKUREI and JADE vent sites, the Izena Cauldron, Okinawa Trough.2010

    • Author(s)
      Kawagucci, S., H.Chiba, J.Ishibashi, T.Yamanaka, T.Toki, Y.Muramatsu, Y.Ueno, A.Makabe, K.Inoue, N.Yoshida, S.Nakagawa, T.Nunoura, K.Takai, N.Takahata, Y.Sano, T.Narita, G.Teranishi, H.Obata, T.Gamo
    • Journal Title

      Geochemical Journal

      Volume: 44 Pages: 507-518

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] 水圏試料中微量溶存鉄(II)の比色定量における至適pH条件に関する再検討2010

    • Author(s)
      丸尾雅啓, 永岡一樹, 小林一星, 小沢佳那子, 小畑元
    • Journal Title

      分析化学

      Volume: 59 Pages: 1143-1147

    • NAID

      10026969184

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Journal Article] Vertical distribution of iron(II) and its relation to organic substances in Lake Biwa. Japan.2009

    • Author(s)
      Maruo M.. Tate K.. Ohta K.. Hayakawa K., Obata H.
    • Journal Title

      Verhandlungen Internationale Vereinigung theoretische und angewandte Limnologie 30

      Pages: 1379-1383

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Study on vertical profiles of rare earth elements by using an ocean general circulation model.2009

    • Author(s)
      Oka A., Hasumi H., Obata H., Gamo T., Yamanaka Y.
    • Journal Title

      Global Biogeochem.(doi : 10.1029/2008GB003353.) 23

    • NAID

      40016978751

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Long-term bottom water warming in the north Ross Sea.2009

    • Author(s)
      Ozaki H., Obata H., Naganobu M., Gamo, T.
    • Journal Title

      J. Oceanogr. 65

      Pages: 235-244

    • NAID

      10025553494

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Study on vertical profiles of rare earth elements by using an ocean general circulation model.2009

    • Author(s)
      Oka, A., Hasumi, H., Obata, H., Gamo, T., Yamanaka, Y.
    • Journal Title

      Global Biogeochem. Cycles (GB4025, doi : 10. 1029/2008GB003353) 23

      Pages: 1-16

    • NAID

      40016978751

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Rare earth elements in seawater during an iron-induced phytoplankton bloom of the western subarctic Pacific (SEEDS-II)2009

    • Author(s)
      Hara, Y., Obata, H., Doi, T., Hongo, Y., Gamo, T., Takeda, S., Tsuda, A.
    • Journal Title

      Deep-Sea Res.II. 56

      Pages: 2839-2851

    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Rare earth elements in seawater during an iron-induced phytoplankton bloom of the western subarctic Pacific (SEEDS-II).2009

    • Author(s)
      Hara, Y., Obata, H., Doi, T., Hongo, Y., Gamo, T., Takeda, S., Tsuda, A.
    • Journal Title

      Deep-Sea Res.II 56

      Pages: 2839-2851

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Study on vertical profiles of rare earth elements by using an ocean general circulation model2009

    • Author(s)
      Oka, A., Hasumi, H., Obata, H., Gamo, T., Yamanaka, Y.
    • Journal Title

      Global Biogeochem.Cycles(GB4025, doi:10.1029/2008GB003353) 23

      Pages: 1-16

    • NAID

      40016978751

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Long-term bottom water warming in the north Ross Sea2009

    • Author(s)
      Ozaki, H., Obata, H., Naganobu, M., Gamo, T.
    • Journal Title

      J.Oceanogr. 9

      Pages: 235-244

    • NAID

      10025553494

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Long-term bottom water warming in the north Ross Sea2009

    • Author(s)
      Ozaki, H., Obata, H., Naganobu, M., Gamo, T.
    • Journal Title

      J.Oceanogr. 65

      Pages: 235-244

    • NAID

      10025553494

    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Rare earth elements in seawater during an iron-induced phytoplankton bloom of the western subarctic Pacific (SEEDS-II).2009

    • Author(s)
      Hara Y., Obata H., Doi T., Hongo Y., Gamo T., Takeda S., Tsuda A.
    • Journal Title

      Deep-Sea Res. II. 56

      Pages: 2839-2851

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Raze earth elements in seawater during an iron-induced phytoplankton bloom of the western subarctic Pacific(SEEDS-II)2009

    • Author(s)
      Hara, Y., Obata, H., Doi, T., Hongo, Y., Gamo, T., Takeda, S., Tsuda, A.
    • Journal Title

      Deep-Sea Res.II 56

      Pages: 2839-2851

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Rare earth elements in seawater during an iron-induced phytoplankton bloom of the western subarctic Pacific(SEEDS-II).2009

    • Author(s)
      Hara, Y., H.Obata(他4名,2番目), S.Takeda(6番目)
    • Journal Title

      Deep Sea Res.II 56

      Pages: 2839-2851

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Changes in iron concentrations and bio-availability during an open-ocean mesoscale iron enrichment in the western subarctic Pacific, SEEDS II.2009

    • Author(s)
      Nishioka, J., S.Takeda(他7名,2番目), H.Obata(4番目)
    • Journal Title

      Deep Sea Res.II 56

      Pages: 2796-2809

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Iron, manganese and aluminum in upper waters of the western South Pacific Ocean and its adjacent seas.2008

    • Author(s)
      H. Obata
    • Journal Title

      Journal of Oceanography 64

      Pages: 233-245

    • NAID

      10021083762

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Silver in the Tokyo Bay estuarine waters and Japanese rivers.2008

    • Author(s)
      Zhang Y., Obata H., Gamo T.
    • Journal Title

      J. Oceanogr. 64

      Pages: 259-265

    • NAID

      10021083851

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Iron, manganese and aluminum in upper waters of the western South Pacific Ocean and its adjacent seas2008

    • Author(s)
      Obata H., K. Shitashima, K. Isshiki, E. Nakayama
    • Journal Title

      Journal of Oceanography vol. 64

      Pages: 233-245

    • NAID

      10021083762

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Iron, manganese and aluminum in upper waters of the western South Pacific Ocean and its adjacent seas.2008

    • Author(s)
      Obata, H., K.Shitashima, K.Isshiki, E.Nakayama
    • Journal Title

      J.Oceanogr. 64

      Pages: 233-245

    • NAID

      10021083762

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Organic iron (III) complexing ligands during an iron enrichment experiment in the western subarctic North Pacific2008

    • Author(s)
      Kondo, Y., S. Takeda, J. Nishioka, H. Obata, K. Furuya, W.K. Johnson, C.S. Wong
    • Journal Title

      Geophysical Research Letters vol. 35

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Organic iron(III) complexing ligands during an iron enrichment experiment in the western subarctic North Pacific.2008

    • Author(s)
      Kondo, Y., S.Takeda(他4名,2番目), H.Obata(4番目)
    • Journal Title

      Geophys.Res.Lett. 35

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Silver in the Tokyo Bay estuarine waters and Japanese rivers2008

    • Author(s)
      Zhang, Y., Obata, H., Gamo, T.
    • Journal Title

      J.Oceanogr 64

      Pages: 259-265

    • NAID

      10021083851

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Iron, manganese and aluminum in upper waters of the western South Pacific Ocean and its adjacent seas.2008

    • Author(s)
      Obata, Hajime
    • Journal Title

      Journal of Oceanography 64

      Pages: 233-245

    • NAID

      10021083762

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Particle flux in the twilight zone of the easten Indian Ocean:a constraint from 234U-230Th and 228Ra-228Th disequilibrium2007

    • Author(s)
      Okubo, A., H. Obata, S. Luo, T. Gamo, H. Minami and M. Yamada
    • Journal Title

      Deep-Sea Research I 54

      Pages: 1758-1772

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17310005
  • [Journal Article] Manganese, cerium, and iron in the Philippine, Celebes, and Sulu Seas.2007

    • Author(s)
      Obata, H., T.Doi, Y.Hongo, D.S.Alibo, H.Minami, Y.Kato, M.Maruo
    • Journal Title

      Deep-Sea Research II 54

      Pages: 38-49

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Rare earth elements in the hydrothermal system at Okinawa Trough back-arc basin.2007

    • Author(s)
      Hongo, Y., H.Obata, T.Gamo, M.Nakashima, J.Ishibashi, U.Konno, S.Saegusa, S.Ohkubo, U.Tsunogai
    • Journal Title

      Geochemical Journal 41

      Pages: 1-15

    • NAID

      10018879985

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Particle flux in the twilight zone of the eastern Indian Ocean : A constraint from ^<234>U-^<230>Th and ^<228>Ra-^<228>Th disequilibria.2007

    • Author(s)
      Okubo A., Obata H., Luo S., Gamo T., Yamamoto Y., Minami H., Yamada M.
    • Journal Title

      Deep-Sea Res. I 54

      Pages: 1758-1772

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Journal Article] Dissolved aluminum, indium and cerium in the Japan Sea and the Sea of Okhotsk: Comparison to the marginal seas of the western North Pacific.2007

    • Author(s)
      H. Obata
    • Journal Title

      Journal of Geophysical Research-Ocean 112, C12003

      Pages: 1010292006003944-1010292006003944

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Scavenging of ^<230>Th in the Sulu Sea.2007

    • Author(s)
      Okubo, A., H.Obata, T.Gamo, H.Minami, M.Yamada
    • Journal Title

      Deep-Sea Research II 54

      Pages: 50-59

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Evidence for the grazing hypothesis: Grazing reduces phytoplankton responses of the HNLC ecosystem to iron enrichment in the western subarctic Pacific(SEEDS II).2007

    • Author(s)
      Tsuda, A., S.Takeda(他41名,2番目), H.Obata(32番目), M.Sato(38番目)
    • Journal Title

      J.Oceanogr. 63

      Pages: 983-994

    • NAID

      10019793355

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Precise determination of the cerium isotopic composition of surface water in the Northwest Pacific Ocean and Tokyo Bay.2007

    • Author(s)
      Tazoe, H., H.Obata, H.Amakawa, Y.Nozaki, T.Gamo
    • Journal Title

      Marine Chemistry 103

      Pages: 1-14

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Dissolved aluminum, indium and cerium in the Sea of Japan and the Sea of Okhotsk: Comparison to the marginal seas of the western North Pacific.2007

    • Author(s)
      Obata, Hajime
    • Journal Title

      Journal of Geophysical Research-Ocean 112

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Spatial variations of rare earth elements in North Pacific surface water.2006

    • Author(s)
      Hongo, Y, H.Obata, D.S.Alibo, Y.Nozaki
    • Journal Title

      J.Oceanogr. 62

      Pages: 441-455

    • NAID

      10018002247

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Journal Article] Determination of picomolal levels of platinum in estuarrine waters: a comparison of cathodic stripping voltammetry and isotope dilution-inductively coupled plasma mass specrometry2006

    • Author(s)
      Obata, H.
    • Journal Title

      Analytica Chimica Acta 580

      Pages: 32-38

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17310005
  • [Journal Article] Spatial variations of rare earth elements in North Pacific surface water.2006

    • Author(s)
      Hongo, Y, H.Obata, D.S.Alibo, Y.Nozaki
    • Journal Title

      Journal of Oceanography 62

      Pages: 441-455

    • NAID

      10018002247

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Determination of picomolar levels of platinum in estuarine waters : a comparison of cathodic stripping voltammetry and isotope dilution-inductively coupled plasma mass spectrometry2006

    • Author(s)
      Obata, H.
    • Journal Title

      Analytica Chimica Acta 580

      Pages: 32-38

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17310005
  • [Journal Article] Determination of picomolar levels of platinum in estuarine waters : a comparison of cathodic stripping voltammetry and isotope dilution-inductively coupled plasma mass spectrometry2006

    • Author(s)
      Obata, H., T.Yoshida, H.Ogawa
    • Journal Title

      Analytica Chimica Acta 580

      Pages: 32-38

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] 海水中の白金に関する分析化学的アプローチ2005

    • Author(s)
      小畑 元, 田副 博文, 吉田 哲章
    • Journal Title

      月刊海洋 号外39

      Pages: 88-94

    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Rare earth elements in surface waters of the North Pacific: a tracer for the local sources2005

    • Author(s)
      Obata, H.
    • Journal Title

      Biogeochemical Cycling and its impact on global climate change

      Pages: 9-14

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17310005
  • [Journal Article] Rare earth elements in surface waters of the North Pacific : a tracer for the local sources2005

    • Author(s)
      Obata, H.
    • Journal Title

      Biogeochemical Cycling and its impact on global climate change

      Pages: 9-14

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17310005
  • [Journal Article] Rare earth elements in surface waters of the North Pacific: a tracer for the local sources2005

    • Author(s)
      Obata, H., Hongo, H., Tazoe, H., Nozaki, Y., Alibo, D.S.
    • Journal Title

      Biogeochemical cycling and its impact on the global climate change (Extended Abstract of Sixth IOC/WESTPAC International Scientific Symposium)

      Pages: 9-14

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] Cerium and neodymium isotopic composition in the northwestern Pacific and its adjacent seas.2005

    • Author(s)
      Tazoe, H., Obata, H., Amakawa, H., Gamo, T.
    • Journal Title

      Geochimica et Cosmochimica Acta (supplement) 69・10

    • Data Source
      KAKENHI-PROJECT-17681001
  • [Journal Article] ^<230>Th in the Andaman Sea : Rapid deep-sea renewal.2004

    • Author(s)
      Okubo, A., H.Obata, Y.Yamamoto, Y.Nozaki
    • Journal Title

      Geophysical Research Letters 31

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Silver in the Pacific Ocean and Bering Sea2004

    • Author(s)
      Zhang, Y., H.Obata, Y.Nozaki
    • Journal Title

      Geochemical Journal 38・6

      Pages: 623-633

    • NAID

      10014093360

    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Shipboard analysis of picomolar levels of manganese in seawater by chelating resin concentration and chemiluminescence detection2004

    • Author(s)
      Doi, T., H.Obata, M.Maruo
    • Journal Title

      Analytical and Bioanalytical Chemistry 378

      Pages: 1288-1293

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Dissolved Al, In and Ce in the eastern Indian Ocean and the Southeast Asian Seas in comparison with the radionuclides ^<210>Pb and ^<210>Po2004

    • Author(s)
      Obata, H., Y.Nozaki, D.S.Alibo, Y.Yamamoto
    • Journal Title

      Geochimica et Cosmochimica Acta 68

      Pages: 1035-1048

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Dissolved Al, In and Ce in the eastern Indian Ocean and the Southeast Asian Seas in comparison with the radionuclides ^<210>Pb and ^<210>Po.2004

    • Author(s)
      Obata, H., Y.Nozaki, D.S.Alibo, Y.Yamamoto
    • Journal Title

      Geochimica et Cosmochimica Acta 68(5)

      Pages: 1035-1048

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Discovery of a new hydrothermal venting site in the southernmost Mariana Arc : Al-rich hydrothermal plumes and white smoker activity associated with biogenic methane2004

    • Author(s)
      Gamo, T., H.Masuda, T.Yamanaka, K.Okamura, J.Ishibashi, E.Nakayama, H.Obata, K.Shitashima, Y.Nishio, H.Hashimoto, M.Watanabe, K.Mitsuzawa, N.Seama, U.Tsunogai, F.Kouzuma, Y.Suno
    • Journal Title

      Geochemical Journal 38

      Pages: 527-534

    • NAID

      10014093054

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] ^<230>Th in the Andaman Sea : Rapid renewal2004

    • Author(s)
      Okubo, A., H.Obata, Y.Yamamoto, Y.Nozaki
    • Journal Title

      Geophysical Research Letters 31

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Discovery of a new hydrothermal venting site in the southernmost Mariana Arc : Al-rich hydrothermal plumes and white smoker activity associated with biogenic methane.2004

    • Author(s)
      Gamo, T., H.Masuda, T.Yamanaka, K.Okamura, J.Ishibashi, E.Nakayama, H.Obata, K.Shitashima, Y.Nishio, H.Hasumoto, M.Watanabe, K.Mitsuzawa, N.Seama, U.Tsunogai, F.Kouzuma, Y.Sano
    • Journal Title

      Geochemical Journal 38(6)

      Pages: 527-534

    • NAID

      10014093054

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Silver in the Pacific Ocean and the Bering Sea2004

    • Author(s)
      Zhang, Y., H.Obata, Y.Nozaki
    • Journal Title

      Geochemical Journal 38

      Pages: 623-633

    • NAID

      10014093360

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Silver in the Pacific Ocean and the Bering Sea.2004

    • Author(s)
      Zhang, Y., H.Obata, Y.Nozaki
    • Journal Title

      Geochemical Journal 38(6)

      Pages: 623-633

    • NAID

      10014093360

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] East-west gradients in the photosynthetic potential of phytoplankton and iron concentration in the subarctic Pacific Ocean during early summer.2002

    • Author(s)
      Suzuki, K., H.Liu, T.Saino, H.Obata.M.Takano, K.Okamura, Y.Sohrin, Y.Fujishima
    • Journal Title

      Limnology and Oceanography 47(6)

      Pages: 1581-1594

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] East-west gradients in the photosynthetic potential of phytoplankton and iron concentration in the subarctic Pacific Ocean during early summer2002

    • Author(s)
      Suzuki, K., H.Liu, T.Saino, H.Obata, M.Takano, K.Okamura, Y.Sohrin, Y.Fujishima
    • Journal Title

      Limnology and Oceanography 47

      Pages: 1581-1594

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Development of a deep-sea in situ Mn analyzer and its application for hydrothermal plume observation.2001

    • Author(s)
      Okamura, K., H.Kimoto, K.Saeki, J.Ishibashi, H.Obata, M.Maruo, T.Gamo, E.Nakayama, Y.Nozaki
    • Journal Title

      Marine Chemistry 76

      Pages: 17-26

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Development of a deep-sea in situ Mn analyzer and its application for hydrothermal plume observation2001

    • Author(s)
      Okamura, K., H.Kimoto, K.Saeki, J.Ishibashi, H.Obata, M.Maruo, T.Gamo, E.Nakayama, Y.Nozaki
    • Journal Title

      Marine Chemistry 76

      Pages: 17-26

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-13304045
  • [Journal Article] Study on vertical profiles of rare earth elements by using an ocean general circulation model

    • Author(s)
      Oka, A., Hasumi, H., Obata, H., Gamo, T., Yamanaka, Y.
    • Journal Title

      Global Biogeochem.Cycles 23

    • NAID

      40016978751

    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Pb and Pb isotope ratios in the North Pacific: observations during the KH-12-4 GEOTRACES Japan cruise2020

    • Author(s)
      Norisuye, K., Niigata, Y. Matsubara, H. Obata, E. A. Boyle and T. Gamo and M. Nakagawa
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Nd isotopic composition and REE concentrations in the Bering Sea and the North Pacific2020

    • Author(s)
      Obata, H., T. Hara and H. Tazoe
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Analysis of Nd isotopic composition in seawater by using newly developed solid phase extraction and MC-ICP-MS2020

    • Author(s)
      Tazoe, H., H. Amakawa, K. Suzuki, and H. Obata
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Helium isotopes near the Indonesian Throughflow2020

    • Author(s)
      Escobar, M. T., N. Takahata, H. Obata and Y. Sano
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Overview of OMIX project “Ocean mixing processes: impact on biogeochemistry, climate and ecosystems”2020

    • Author(s)
      Yasuda, I, S. Masuda, J. Nishioka, X. Guo, N. Harada, Shin-Ichi Ito, T. Hibiya and H. Hasumi, Y. Yoshikawa, H. Obata, H. Tatebe
    • Organizer
      Ocean Sciences Meeting 2020
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Development of a method for determination of dissolved Te species in open ocean water2020

    • Author(s)
      Fukazawa, T., D. Asanuma, H. Obata, S. Usui, S. Matsuoka and K. Norisuye
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Contrasting organic complexation of Cu and Co in the East China Sea: by forward and reverse titrations2020

    • Author(s)
      Wong, K. H., J. Xu and H. Obata
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution of mantle 3He in the Indian Ocean simulated numerically by an Ocean General Circulation Model2020

    • Author(s)
      Tsumune, D., F. O. Bryan, K. Lindsay, K. Misumi, T. Tsubono, N. Takahata, H. Obata and J. Nishioka.
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Development of a method for determination of lead isotope ratios in marine suspended particles2020

    • Author(s)
      Asanuma, D., H. Obata, Y. Matsubara, K. Maruyama, K. Norisuye and T. Fukazawa
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Iron supply from the marginal seas and its influence on biological production in the North Pacific Ocean2020

    • Author(s)
      Nishioka, J., H. Obata, T. Hirawake, I. Yasuda
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distributions of organic Fe-binding ligands in the eastern and western subarctic North Pacific2020

    • Author(s)
      Kondo, Y., Y. Sunahara, J. Nishioka, H. Obata, S. Takeda
    • Organizer
      Ocean Sciences Meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Importance of marginal seas and intermediate water formation for micro- and macro-nutrients circulation in the North Pacific2019

    • Author(s)
      Nishioka, J., H. Obata, H. Ogawa and I. Yasuda
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Activities of GEOTRACES-Japan 2009-20182019

    • Author(s)
      Obata, H.
    • Organizer
      SCOR-JOS Joint Symposium “Ocean Sciences in Japan: Present and Future”
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] An insight into chemical speciation of dissolved iron in the intermediate water of the North Pacific2019

    • Author(s)
      Yamashita, Y., Nishioka, J., Obata, H., Ogawa, H
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distributions of organic Fe-binding ligands in the eastern and western subarctic North Pacific2019

    • Author(s)
      Kondo, Y., Y. Sunahara, J. Nishioka, H. Obata, S. Takeda
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 太平洋における溶存態ビスマスの分布2019

    • Author(s)
      荒井翼、則末和宏、小畑元、西岡純、近藤能子、蒲生俊敬
    • Organizer
      GEOTRACES-Japanの現状と今後の展開
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 北太平洋北緯47度横断観測における表層堆積物中の親生物元素および微量金属元素の挙動2019

    • Author(s)
      南秀樹、福原かりん、野坂裕一、丸尾雅啓、小畑元
    • Organizer
      2019年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Determination of picomolar of zirconium, hafnium, niobium and tantalum in seawater using chelating resin and subsequent ICP-MS determination2019

    • Author(s)
      小畑元、Lutfi Firdaus、真塩麻彩実、金泰辰、Jason McAlister、蒲生俊敬
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 北太平洋中層水による外来性腐植様溶存有機物の輸送2019

    • Author(s)
      山下洋平, 西岡純, 小畑元, 小川浩史
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Numerical simulation of iron cycle in the North Pacific2019

    • Author(s)
      Misumi, K., J. Nishioka, H. Obata, D. Tsumune, T. Takaki, M. C Long, K. Lindsay, J. Keith Moore
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Iron supply from the marginal seas to the North Pacific Ocean2019

    • Author(s)
      Nishioka, J., H. Obata, I. Yasuda
    • Organizer
      IMBeR Open science conference 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 北太平洋亜寒帯域における鉄有機配位子の分布について2019

    • Author(s)
      近藤能子、西岡純、小畑元、武田重信
    • Organizer
      GEOTRACES-Japanの現状と今後の展開
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Chemical and physical speciation of copper in the subarctic North Pacific2019

    • Author(s)
      黄国宏、小畑元、金泰辰、近藤能子、西岡純
    • Organizer
      GEOTRACES-Japanの現状と今後の展開
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution of lead isotopes in the North Pacific2019

    • Author(s)
      則末和宏、小畑元、蒲生俊敬Edward A. Boyl
    • Organizer
      2019年度 日本海洋学会秋季大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Speciation of copper in the East China Sea2019

    • Author(s)
      Wong, K. H., H. Obata, T. Kim, Y. Wakuta and S. Takeda
    • Organizer
      SOLAS Open Science Conference 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] ゆっくりと沈降する粒子による陸棚堆積物からの鉄の輸送2019

    • Author(s)
      三角 和弘,西岡 純,小畑 元,津旨 大輔,坪野 考樹, Matthew C. Long, Keith Lindsay, J. Keith Moore
    • Organizer
      GEOTRACES-Japanの現状と今後の展開
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 新規固相抽出法およびMC-ICP-MSを用いた海水中Nd同位体比分析の高度化2019

    • Author(s)
      田副博文、天川裕史、鈴木勝彦、小畑元
    • Organizer
      2019年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 北太平洋広域における溶存態鉛安定同位体の分布2019

    • Author(s)
      則末和宏、松原由奈、中川正親、小畑元、岡村慶、永石一弥、石川剛志、蒲生俊敬
    • Organizer
      2019年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 北太平洋中層に存在する溶存鉄の化学形に関する考察2019

    • Author(s)
      山下 洋平、西岡 純、小畑 元、小川 浩史
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Micro- and macro-nutrient supply from the marginal seas to the North Pacific Ocean and its changing2019

    • Author(s)
      Nishioka, J., H. Obata, I. Yasuda
    • Organizer
      PICES annual meeting 2019
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Dissolved iron distribution in the subarctic Pacific - HNLC water formation and biogeochemical processes -2019

    • Author(s)
      Nishioka, J., H. Obata
    • Organizer
      2019年度日本海洋学会秋季大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] インド洋におけるマントル由来のHe-3の分布再現シミュレーション2019

    • Author(s)
      津旨大輔、F. O. Bryan, K. Lindsay、三角和弘、坪野孝樹、高畑直人、小畑元、西岡純
    • Organizer
      GEOTRACES-Japanの現状と今後の展開
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Surface distribution of natural Fe-binding ligands in the subarctic North Pacific2019

    • Author(s)
      Kondo, Y., Y. Sunahara, J. Nishioka, H. Obata, S. Takeda
    • Organizer
      OMIX international symposium
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 外洋海水中溶存Te化学種の濃縮分離法開発2019

    • Author(s)
      深澤徹、浅沼大地、小畑元、臼井聡、松岡史郎、則末和宏
    • Organizer
      2019年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 海水中懸濁粒子態Pb安定同位体比の高精度分析法開発のための基礎検討2019

    • Author(s)
      浅沼大地、松原由奈、丸山魁、深澤徹、則末和宏、小畑元
    • Organizer
      2019年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Chemical and physical speciation of copper in the subarctic North Pacific2019

    • Author(s)
      黄国宏、小畑元、金泰辰、近藤能子、西岡純
    • Organizer
      2019年度日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 西部北太平洋における亜鉛の鉛直断面分布とその循環メカニズム2019

    • Author(s)
      小畑元、金泰辰、岡顕、西岡純、山下洋平、小川浩史
    • Organizer
      2019年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 西部北太平洋中層における溶存鉄の化学形関す考察2018

    • Author(s)
      山下洋平, 西岡純, 小畑元, 小川浩史
    • Organizer
      北海道大学 低温科学研究所 共同研究シンポジウム
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 北太平洋亜寒帯域における鉄有機配位子の鉛直分布について2018

    • Author(s)
      近藤能子、西岡純、小畑元、武田重信
    • Organizer
      北海道大学 低温科学研究所 共同研究シンポジウム
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution of allochthonous humic-like fluorescent dissolved organic matter in the western North Pacific Ocean2018

    • Author(s)
      Yamashita, Youhei, Jun Nishioka, Hajime Obata, Hiroshi Ogawa
    • Organizer
      Ocean Science Meeting 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution of helium isotopes along 47N of the Subarctic North Pacific2018

    • Author(s)
      Escobar, M. T, N. Takahata, H. Obata and Y. Sano
    • Organizer
      Goldschmidt Conference 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Vertical distributions of organic Fe-binding ligands in the eastern and western subarctic North Pacific2018

    • Author(s)
      Kondo, Y., J. Nishioka, H. Obata, S. Takeda
    • Organizer
      Bio-GEOTRACES Workshop
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 北太平洋亜寒帯域の鉄スペシエーションと供給過程の解明2018

    • Author(s)
      馬場梨世、西岡純、小畑元
    • Organizer
      2018年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Trace metals in the Indian Ocean and North Pacific Ocean -From GEOTRACES-Japan section cruises-2018

    • Author(s)
      Obata, Hajime
    • Organizer
      Symposium in Seoul National University
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] From GEOTRACES-Japan to BioGEOTRACES-Japan2018

    • Author(s)
      Obata, H
    • Organizer
      Bio-GEOTRACES Workshop
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 水銀分析のための白鳳丸航海における採水方法:クリーン採水技術の必要性2018

    • Author(s)
      武内章記、丸本幸治、張勁、小畑元
    • Organizer
      2018年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Nd isotopic features in the western subarctic Pacific Ocean2018

    • Author(s)
      Tazoe, H., H. Obata, T. Hara, and J. Nishioka
    • Organizer
      American Geophysical Union Fall Meeting 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] ゆっくりと沈降する粒子による陸棚堆積物からの鉄の輸送2018

    • Author(s)
      三角 和弘,西岡 純,小畑 元,津旨 大輔,坪野 考樹, Matthew C. Long, Keith Lindsay, J. Keith Moore
    • Organizer
      北海道大学 低温科学研究所 共同研究シンポジウム
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Global distribution of rare earth elements simulated by an ocean general circulation model2018

    • Author(s)
      Oka, A., H. Obata, and H. Tazoe
    • Organizer
      Ocean Science Meeting 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 西部北太平洋における溶存態Biと水塊の関係2018

    • Author(s)
      荒井翼、則末和宏、小畑元、西岡純、近藤能子、蒲生俊敬
    • Organizer
      2018年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Pacific iron cycle driven by lateral export from continental-self sediments mediated by slowly sinking particles2018

    • Author(s)
      Misumi, K., J. Nishioka, H. Obata, D. Tsumune, T. Tsubono, M. C. Long, K. Lindsay and J. K. Moore
    • Organizer
      Bio-GEOTRACES Workshop
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 長崎県橘湾熱水域における亜鉛のスペシエーション2018

    • Author(s)
      金泰辰、小畑元、真塩麻彩実、蒲生俊敬、武田重信
    • Organizer
      2018年日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Iron distribution in the East Kamchatka Current and its influence to the NPIW2018

    • Author(s)
      Nishioka, Jun, Youhei Yamashita, Hajime Obata, Kazuya Ono, Ichiro Yasuda, Alex Scherbinin, Yuri N Volkov
    • Organizer
      Ocean Science Meeting 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution of copper and its speciation in the subarctic North Pacific2018

    • Author(s)
      Wong, K. H., H. Obata, T. Kim and R. Muhammad
    • Organizer
      Bio-GEOTRACES Workshop
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] ベーリング海およびチャクチ海における希土類元素とネオジム同位体比に関する地球化学的研究2018

    • Author(s)
      原拓冶、田副博文、小畑元、蒲生俊敬、北太平洋
    • Organizer
      2018年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Dissolved zinc, phosphate and silicate in the intermediate waters of the North Pacific and South Atlantic2018

    • Author(s)
      Obata, H., T. Kim, T. Gamo and J. Nishioka
    • Organizer
      Ocean Science Meeting 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution and speciation of copper and its relationship with FDOM in the East China Sea2018

    • Author(s)
      黄国宏、小畑元、金泰辰、涌田陽平、武田重信
    • Organizer
      2018年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Vertical distributions of dissolved gaseous mercury (DGM) concentrations in the sub-Arctic Pacific Ocean (GEOTRACES-Japan)2018

    • Author(s)
      Takeuchi, A., K. Marumoto, and H. Obata
    • Organizer
      Ocean Sciences Meeting 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distributions of total particulate trace elements in the subarctic North Pacific2018

    • Author(s)
      Maruyama, K., K. Norisuye, H. Obata, H. Minami, Y. Nakaguchi, H. Tazoe and T. Gamo
    • Organizer
      Goldschmidt Conference 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 海水中のラジウム-228を用いた西部北太平洋亜寒帯域における下層からの栄養物質フラックス2018

    • Author(s)
      田副博文、西岡純、原拓治、小畑元、井上睦夫
    • Organizer
      2018年日本地球惑星科学連合合同大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Trace metals and zinc complexing ligands in seawaters at a ahallow hydrothermally active area in Japan2018

    • Author(s)
      Kim, T., H. Obata, A. S. Mashio, T. Gamo and S. Takeda
    • Organizer
      Goldschmidt Conference 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution of copper and its speciation in the subarctic North Pacific2018

    • Author(s)
      Wong, K. H., H. Obata, T. Kim and R. Muhammad
    • Organizer
      Goldschmidt Conference 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 西部北太平洋における鉛安定同位体の高精度分布2018

    • Author(s)
      松原由奈、中川正親、則末和宏、小畑元、岡村慶、永石一弥、石川剛志、蒲生俊敬
    • Organizer
      2018年度 日本地球化学会年会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Dissolved Pb stable isotopes in the Bay of Bengal2018

    • Author(s)
      Norisuye, K., H. Obata, T. Gamo, J.-M. Lee and E. A. Boyle
    • Organizer
      Goldschmidt Conference 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 西部北太平洋における溶存態ビスマスの鉛直断面分布および水塊との関係2018

    • Author(s)
      荒井翼、則末和宏、小畑元、西岡純、近藤能子
    • Organizer
      北海道大学 低温科学研究所 共同研究シンポジウム
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Tracing the subarctic North Pacific intermediate water by using decouple of dissolved zinc and silicate2017

    • Author(s)
      Kim, T., H. Obata, H. Ogawa and T. Gamo
    • Organizer
      Goldschmidt Conference 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 西太平洋における溶存態 Bi の分布とその特徴2017

    • Author(s)
      荒井 翼、則末和宏、小畑元、蒲生俊敬
    • Organizer
      2017年日本地球化学会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 外洋水中鉛の簡便定量分析法の確立と日本海溝に おける鉛とその安定同位体比の分布2017

    • Author(s)
      松原由奈、中川正親、則末和宏、小畑元、岡村慶、永石一弥、石川剛志、蒲生俊敬
    • Organizer
      2017年日本地球化学会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 有明海における白金の分布と挙動2017

    • Author(s)
      真塩麻彩実・小畑 元
    • Organizer
      2018年度日本地球化学会第64回年会
    • Data Source
      KAKENHI-PROJECT-16K12577
  • [Presentation] Distributions of Nd isotopic composition and REE concentrations in surface seawater in the North Pacific Ocean2017

    • Author(s)
      Hara, T., H. Tazoe, H. Obata and T. Gamo
    • Organizer
      Goldschmidt Conference 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Iron distribution and supply along the Kuroshio current in the North Pacific2017

    • Author(s)
      Maki, Kazuyuki, Jun NIshioka, Hajime Obata, Yoshiko Kondo, ichro Yasuda, Hiroaki Saito
    • Organizer
      Goldschmidt Conference 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 有明海における白金の分布と挙動2017

    • Author(s)
      真塩麻彩実、小畑元
    • Organizer
      2017年日本地球化学会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 微量元素の3次元輸送:GEOTRACESシンポジウムより2017

    • Author(s)
      西岡 純・小畑 元・張 勁
    • Organizer
      黒潮混合生態系共同利用研究集会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Latitudinal variations of neodimium isotopic composition in seawater along 160th meridian east in the western North Pacific2017

    • Author(s)
      Tazoe, H., H. Obata, T. Gamo and J. Nishioka
    • Organizer
      Goldschmidt Conference 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Section cruises and Intercalibration in GEOTRACES Japan2017

    • Author(s)
      Obata, H
    • Organizer
      East Asia GEOTRACES Workshop
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Dissolved trace metals and Zn speciation in the hydrothermal activity area of Tachibana Bay, Nagasaki2017

    • Author(s)
      Kim, Taejin, Shigenobu Takeda, Toshitaka Gamo, Hajime Obata
    • Organizer
      2017年日本地球化学会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution and speciation of copper in seawater of East China Sea and its surrounding areas2017

    • Author(s)
      Wong, K. H., H. Obata, T. Gamo
    • Organizer
      JPGU-AGU joint Meeting 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 海洋における懸濁粒子態微量元素多元素分析法の開発2017

    • Author(s)
      丸山 魁、則末和宏、小畑元、中口 譲、南 秀樹、田副博文、蒲生俊敬
    • Organizer
      2017年日本地球化学会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] ファンデフカ海嶺付近における深層海水中のヘリウムの同位体比分布とその起源の推定2017

    • Author(s)
      高畑直人、大城光洋、小畑元、蒲生俊敬、佐野有司
    • Organizer
      2017年日本地球化学会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Relationship between dissolved zinc and silicate in the western North Pacific from subarctic to subtropical regions2017

    • Author(s)
      Kim, T., H. Obata, H. Ogawa, and T. Gamo
    • Organizer
      JPGU-AGU joint Meeting 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distributions and biogeochemical cycles of platinum in seawaters at coastal areas around Japan2017

    • Author(s)
      Mashio, A. S., H. Obata and T. Gamo
    • Organizer
      Goldschmidt Conference 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution of dissolved zinc in the western and central subarctic North Pacific2016

    • Author(s)
      Kim, T., H. Obata, J. Nishioka, T. Gamo
    • Organizer
      2016年日本海洋学会秋季大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution and speciation of copper in seawater of the East China Sea2016

    • Author(s)
      Kuo Hong Wong, Taejin Kim, Hajime Obata, Toshitaka Gamo
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京大学理学部、文京区
    • Year and Date
      2016-03-14
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distributions and geochemical cycles of platinum in Otsuchi Bay, Japan after the tsunami in 20112016

    • Author(s)
      Mashio, A.S., H. Obata, H. Fukuda, and H. Ogawa
    • Organizer
      Goldschmidt Conference 2016
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 競争配位子平衡CSV法を用いた海水中の銅有機錯体に関する研究 多重検出窓を使って2016

    • Author(s)
      小畑 元・黄 国宏・金 泰辰・蒲生 俊敬
    • Organizer
      JPGU2016
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Nanometer size fractionation of metal sulfides in seawater over the hydrothermal area in Okinawa Trough2016

    • Author(s)
      N. Nakayama, T. Gamo and H. Obata
    • Organizer
      Goldschmidt Conference 2016
    • Place of Presentation
      パシフィコ横浜、横浜市
    • Year and Date
      2016-06-26
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 房総半島沿岸から仙台湾における白金の分布と挙動2016

    • Author(s)
      真塩麻彩実, 小畑元
    • Organizer
      2016年度日本地球化学会
    • Place of Presentation
      大阪市立大学(大阪府・大阪市住吉区)
    • Year and Date
      2016-09-14
    • Data Source
      KAKENHI-PROJECT-16K12577
  • [Presentation] Distributions and geochemical cycles of platinum in estuaries and rivers of Tokyo and Otuchi areas, Japan2016

    • Author(s)
      Asami Suzuki Mashio, Hajime Obata, HIrofumi Tazoe, Toshitaka Gamo
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      ニューオーリンズ、アメリカ合衆国
    • Year and Date
      2016-02-21
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distributions of dissolved zinc in the western and central North Pacific2016

    • Author(s)
      Obata, H., T. Kim, J. Nishioka, and T. Gamo
    • Organizer
      Goldschmidt Conference 2016
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Transport of trace metals (Mn, Fe, Ni, Zn and Cd) in the western Arctic Ocean in summer 20122016

    • Author(s)
      Kondo, Y., H. Obata, N. Hioki, A. Ooki, S. Nishino, T. Kikuchi, and K. Kuma
    • Organizer
      Gordon Research Conferences 2016
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Dissolved Bismuth in the Subarctic North Pacific2016

    • Author(s)
      Norisuye, K., K. Takahashi, S. Hasegawa, S. Takano, W. Konagaya, Y. Sohrin, H. Obata, and T. Gamo
    • Organizer
      Goldschmidt Conference 2016
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution and speciation of copper in seawater of the East China Sea and its surrounding areas2016

    • Author(s)
      Kuo Hong Wong, Taejin Kim, Hajime Obata, Toshitaka Gamo
    • Organizer
      Goldschmidt Conference 2016
    • Place of Presentation
      パシフィコ横浜、横浜市
    • Year and Date
      2016-06-26
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 北太平洋,ベーリング海,北極海表面水中の希土類元素およびNd同位体比の分布2016

    • Author(s)
      原拓冶,小畑元,蒲生俊敬,田副博文
    • Organizer
      2016年度日本海洋学会春季大会
    • Place of Presentation
      東京大学(東京都 文京区)
    • Year and Date
      2016-03-14
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] 競争配位子平衡CSV法を用いた海水中の銅有機錯体に関する研究---多重検出窓を使って---2016

    • Author(s)
      小畑元、黄国宏、金泰辰、蒲生俊敬
    • Organizer
      日本地球惑星科学連合大会
    • Place of Presentation
      幕張メッセ、千葉市
    • Year and Date
      2016-05-22
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 北太平洋中深層における鉄(II)2016

    • Author(s)
      小畑元, 高橋沙珠子, 蒲生俊敬, 西岡純
    • Organizer
      東京大学大気海洋研究所共同利用研究集会「太平洋南北断面観測による生物地球化学・生態系の統合研究」
    • Place of Presentation
      東京大学大気海洋研究所(千葉)
    • Year and Date
      2016-02-19
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 北太平洋、ベーリング海、チャクチ海表面水中の希土類元素およびNd同位体比の分布2016

    • Author(s)
      原拓治、小畑元、蒲生俊敬、田副博文
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京大学理学部、文京区
    • Year and Date
      2016-03-14
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Dissolved zinc and its speciation in the coastal hydrothermal area of Japan2016

    • Author(s)
      Obata, H., T. Kim, S. Takeda and T. Gamo
    • Organizer
      2016 Ocean Sciences Meeting
    • Place of Presentation
      New Orleans (USA)
    • Year and Date
      2016-02-22
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 北太平洋における北緯47度および東経150度横断観測によるNd同位体比分布2016

    • Author(s)
      田副 博文、山形 武靖、永井 尚生、小畑 元
    • Organizer
      2016年日本海洋学会秋季大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] ロシア船を用いた親潮源流域の観測研究-航海の概要と親潮上流の栄養物質分布-2016

    • Author(s)
      西岡 純・安田一郎・小野数也・中村知裕・鈴木光次・渡辺 豊・山下洋平・平譯 享・Hongbin LIU・藤尾伸三・柳本大吾・田中雄大・原田尚美・関 宰・岡崎裕典・長尾誠也・井上睦夫・小畑 元・田副博文・小川浩史・宗林留美・三寺史夫・江淵直人・若土正暁・Y. N. Volkov
    • Organizer
      2016年日本海洋学会秋季大会
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution and speciation of copper in seawater of East China Sea and its surrounding areas2016

    • Author(s)
      Wong, K.H., T. Kim, H. Obata, and T. Gamo
    • Organizer
      Goldschmidt Conference 2016
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] A modelling study on global distribution of rare earth elements in the ocean2016

    • Author(s)
      Oka, A., and H. Obata
    • Organizer
      Goldschmidt Conference 2016
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Dissolved bismuth in the subarctic North Pacific2016

    • Author(s)
      Kazuhiro Norisuye, Kenta Takahashi, Show Hasegawa, Shotaro Takano, Wataru Konagaya, Yoshiki Sohrin, Hajime Obata, Toshitaka Gamo
    • Organizer
      Goldschmidt Conference 2016
    • Place of Presentation
      パシフィコ横浜、横浜市
    • Year and Date
      2016-06-26
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distributions and geochemical cycles of platinum in Otsuchi Bay, Japan after the tsunami in 2011.2016

    • Author(s)
      Asami S. Mashio, H. Obata, H. Fukuda, and H. Ogawa
    • Organizer
      Goldschmidt Conference 2016
    • Place of Presentation
      パシフィコ横浜(神奈川県・横浜市西区)
    • Year and Date
      2016-06-28
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K12577
  • [Presentation] Nanometer size fractionation of metal sulfides in seawater over the hydrothermal area in Okinawa Trough2016

    • Author(s)
      Nakayama, N., and T. Gamo, and H. Obata
    • Organizer
      Goldschmidt Conference 2016
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Distribution and speciation of copper in seawater of the East China Sea.2016

    • Author(s)
      黄国宏,金泰辰,小畑元,蒲生俊敬
    • Organizer
      日本海洋学会2016年度春季大会
    • Place of Presentation
      東京大学本郷キャンパス(東京)
    • Year and Date
      2016-03-15
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Dissolved zinc and its speciation in the coastal hydrothermal area of Japan2016

    • Author(s)
      Hajime Obata, Taejin Kim, Toshitaka Gamo, Shigenobu Takeda
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      ニューオーリンズ、アメリカ合衆国
    • Year and Date
      2016-02-21
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distributions of neodymium isotopic composition and rare earth element concentrations in the surface water of the north Pacific Ocean, the Bering Sea and the Chuykchi Sea2016

    • Author(s)
      Takuya Hara, Hirofumi Tazoe, Hajime Obata, Toshitaka Gamo
    • Organizer
      13th Annual Meeting of Asia and Oceania Geosciences Society
    • Place of Presentation
      北京、中華人民共和国
    • Year and Date
      2016-07-31
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distribution of dissolved zinc in the western and central subarctic North Pacific2016

    • Author(s)
      Taejin Kim, Hajime Obata, Toshitaka Gamo
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      ニューオーリンズ、アメリカ合衆国
    • Year and Date
      2016-02-21
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Iodine speciation and iodine-129 distribution in the Chukchi Sea and Bering Sea2015

    • Author(s)
      H. Obata, K. Miwa, Y. Kondo, T. Gamo, S. Otosaka, and T. Suzuki
    • Organizer
      Goldschmidt Conference 2015
    • Place of Presentation
      プラハ、チェコ共和国
    • Year and Date
      2015-08-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 河口域および河川における白金の分布と挙動2015

    • Author(s)
      鈴木麻彩実、小畑元、蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      横浜国立大学、横浜市
    • Year and Date
      2015-09-16
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Dissolved zinc and its speciation in the Tachibana Bay, Nagasaki2015

    • Author(s)
      Taejin Kim, Shigenobu Takeda, Toshitaka Gamo, Hajime Obata
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      横浜国立大学、横浜市
    • Year and Date
      2015-09-16
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Sulfides in oxic seawater over the submarine hydrothermal area of Kikai Caldera south of Kyushu Island, Japan2015

    • Author(s)
      Noriko Nakayama, Kotaro Shirai, Yuji Sano, Toshitaka Gamo, and Hajime Obata
    • Organizer
      Goldschmidt Conference 2015
    • Place of Presentation
      プラハ、チェコ共和国
    • Year and Date
      2015-08-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Vertical distribution of lead and bismuth in the Japan Trench2015

    • Author(s)
      Kazuhiro Norisuye, Eriko Hori, Masachika Nakagawa, Hajime Obata, Yoshiko Kondo and Toshitaka Gamo
    • Organizer
      Goldschmidt Conference 2015
    • Place of Presentation
      プラハ、チェコ共和国
    • Year and Date
      2015-08-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 北太平洋中層水による陸起源溶存有機物の輸送2015

    • Author(s)
      山下洋平、西岡純、小畑元、小川浩史
    • Organizer
      北海道大学低温科学研究所共同研究シンポジウム「日本を取り囲む陸海結合システムの解明に向けて」
    • Place of Presentation
      北海道大学(北海道 札幌市)
    • Year and Date
      2015-12-17
    • Data Source
      KAKENHI-PLANNED-15H05820
  • [Presentation] Dissolved zinc and its speciation in the northeastern Indian Ocean and Andaman Sea2015

    • Author(s)
      T. Kim, H. Obata, and T. Gamo
    • Organizer
      Goldschmidt Conference 2015
    • Place of Presentation
      プラハ、チェコ共和国
    • Year and Date
      2015-08-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distributions and geochemical cycles of Platinum in the western North Pacific and marginal seas around Japan2014

    • Author(s)
      Suzuki, A., H. Obata and T. Gamo
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      Honolulu (USA)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distribution of iron (II) in the Northwestern Pacific2014

    • Author(s)
      Obata, H., S. Takahashi, T. Gamo and J. Nishioka
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      Honolulu (USA)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distribution and speciation of dissolved zinc in the northwestern Pacific and its adjacent seas2014

    • Author(s)
      Kim, T., Y. Kondo, H. Obata and T. Gamo
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      Honolulu (USA)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 新青丸KS-13-T3習熟航海におけるクリーンサンプリング2014

    • Author(s)
      小畑元,西岡純,金泰辰,則末和宏,武田重信,湧田陽平,蒲生俊敬
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京海洋大学(品川)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Pseudopolarography による琵琶湖水中銅配位子の評価2014

    • Author(s)
      丸尾雅啓、小畑元
    • Organizer
      地球惑星科学連合 JpGU2014 Meeting
    • Place of Presentation
      横浜パシフィコ(横浜市西区)
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Distribution of iron (II) in the Northwestern Pacific.2014

    • Author(s)
      Obata, H., S. Takahashi, T. Gamo and J. Nishioka
    • Organizer
      2014 Ocean Science Meeting
    • Place of Presentation
      Honolulu (USA)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 新青丸KS-13-T3習熟航海におけるクリーンサンプリング2014

    • Author(s)
      小畑元,西岡純,金泰辰,則末和宏,武田重信,湧田陽平,蒲生俊敬
    • Organizer
      2014年度日本海洋学会春季大会
    • Place of Presentation
      東京海洋大学(東京都)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Pseudopolarography による琵琶湖水中銅配位子の評価2014

    • Author(s)
      丸尾雅啓、小畑元
    • Organizer
      JpGU Meeting 2014
    • Place of Presentation
      横浜パシフィコ(横浜市西区)
    • Year and Date
      2014-04-28
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] ファン・デ・フーガ海嶺周辺海域付近の海水中の溶存鉄(II)の分布2013

    • Author(s)
      高橋沙珠子、金泰辰、小畑元、蒲生俊敬、西岡純
    • Organizer
      2013年度日本海洋学会春季大会
    • Place of Presentation
      東京海洋大学(東京都)
    • Year and Date
      2013-03-24
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Distribution of iron (II) in the Northwestern Pacific2013

    • Author(s)
      Obata, H., S. Takahashi, T. Gamo and J. Nishioka
    • Organizer
      Goldschmidt Conference
    • Place of Presentation
      Florence (Italy)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 長崎県橘湾における海水中の亜鉛の存在状態2013

    • Author(s)
      小畑元,金泰辰,蒲生俊敬,武田重信,森井泰宏.,2013年9月18-20日。
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      北海道大学(札幌)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 好気的陸水中に溶存するFe(II) の化学形態2013

    • Author(s)
      丸尾雅啓、小山和香、小畑元
    • Organizer
      JpGU Meeting 2013
    • Place of Presentation
      幕張メッセ(千葉市美浜区)
    • Year and Date
      2013-05-24
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Speciation of Iron(II) in oxic freshwater Lake Biwa, Japan2013

    • Author(s)
      Maruo M., W. Oyama, H. Obata, et al.
    • Organizer
      SIL 2013(23^<rd> Congress of Theoretical and Applied Limnology)
    • Place of Presentation
      Novotel Congress Hotel Budapest (Budapest, Hungary)
    • Year and Date
      2013-08-06
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Distribution and speciation of zinc in the northwestern Pacific and its adjacent seas2013

    • Author(s)
      Kim, T., H. Obata and T. Gamo
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      北海道大学(札幌)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distribution of iron(II) in the northeastern Pacific around the Juan de Fuca Ridge.2013

    • Author(s)
      Takahashi, S., H. Obata, and T. Gamo
    • Organizer
      10th Annual Meeting of Asia Oceania Geosciences Society
    • Place of Presentation
      Brisbane (Australia)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Nd isotopic composition in the southwest Pacific Ocean2013

    • Author(s)
      Amakawa, H., H. Tazoe, H. Obata, T. Gamo, Y. Sano, and C-C. Shen
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      筑波大学(茨城県)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 琵琶湖水中に溶存するFe(II)配位子のキャラクタリゼーション2013

    • Author(s)
      小山和香、 小畑元、丸尾雅啓
    • Organizer
      日本陸水学会第78回大会
    • Place of Presentation
      龍谷大学瀬田キャンパス(滋賀県大津市)
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] 好気的陸水中に溶存するFe(II)の化学形態2013

    • Author(s)
      丸尾雅啓、小山和香、小畑元
    • Organizer
      地球惑星科学連合 JpGU2013 Meeting
    • Place of Presentation
      幕張メッセ(千葉市美浜区)
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Speciation of Iron(II) in oxic freshwater Lake Biwa, Japan2013

    • Author(s)
      Masahiro Maruo, Waka Oyama, Hajime Obata, Kazuki Nagaoka, Yuta Yaginuma, Akira Mase, Shin Wakiyama
    • Organizer
      SIL2013
    • Place of Presentation
      Novotel Congress Hotel Budapest(Budapest, Hungary)
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] 海水中の微量金属元素分析のためのクリーンサンプリング技術2013

    • Author(s)
      小畑元, 金泰辰, 蒲生俊敬, 西岡純
    • Organizer
      日本地球惑星科学連合 連合大会
    • Place of Presentation
      幕張(千葉)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Speciation of Iron(II) in oxic freshwater Lake Biwa, Japan2013

    • Author(s)
      Maruo, M., W. Oyama, H. Obata, K. Nagaoka, Y. Yaginuma, A. Mase and S. Wakiyama
    • Organizer
      SIL 2013
    • Place of Presentation
      Budapest (Hungary)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 北太平洋の中深層における海水中の鉄(II)2013

    • Author(s)
      小畑元,高橋沙珠子,金泰辰,蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      筑波大学(茨城県)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Distribution of iron(II) in the northeastern Pacific around the Juan de Fuca Ridge2013

    • Author(s)
      Takahashi, S., H. Obata, and T. Gamo
    • Organizer
      10th Annual Meeting of Asia Oceania Geosciences Society
    • Place of Presentation
      Brisbane (Australia)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Determination of picomolar Zn in seawater of the North and South Pacific with clean sampling methods2013

    • Author(s)
      Kim, T., T. Gamo and H. Obata
    • Organizer
      Goldschmidt Conference
    • Place of Presentation
      Florence (Italy)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] ルミノール化学発光法による中深層水中の鉄(II)測定2013

    • Author(s)
      高橋沙珠子,小畑元,蒲生俊敬
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      北海道大学(札幌)
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 長崎県橘湾における海水中の亜鉛の存在状態2013

    • Author(s)
      小畑元, 金泰辰, 蒲生俊敬, 武田重信, 森井康宏
    • Organizer
      2013年度日本海洋学会秋季大会
    • Place of Presentation
      北海道大学(北海道)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] ルミノール化学発光法による中深層水中の鉄(II)測定2013

    • Author(s)
      高橋沙珠子,小畑元,蒲生俊敬
    • Organizer
      2013年度日本海洋学会秋季大会
    • Place of Presentation
      北海道大学(北海道)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 海水中の微量金属元素分析のためのクリーンサンプリング技術2013

    • Author(s)
      小畑元, 金泰辰, 蒲生俊敬, 西岡純
    • Organizer
      日本地球惑星科学連合 連合大会 2013年大会
    • Place of Presentation
      幕張メッセ(千葉県)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Distribution of iron (II) in the Northwestern Pacific2013

    • Author(s)
      Obata, H., S. Takahashi, T. Gamo and J. Nishioka.
    • Organizer
      Goldschmidt Conference 2013
    • Place of Presentation
      Florence (Italy)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 琵琶湖水中に溶存するFe(II)配位子のキャラクタリゼーション2013

    • Author(s)
      小山和香、小畑元、丸尾雅啓
    • Organizer
      日本陸水学会第78回大会
    • Place of Presentation
      龍谷大学瀬田キャンパス(滋賀県大津市)
    • Year and Date
      2013-09-11
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] 北太平洋の中深層における海水中の鉄(II)2013

    • Author(s)
      小畑元,高橋沙珠子,金泰辰,蒲生俊敬
    • Organizer
      第60回日本地球化学会年会
    • Place of Presentation
      筑波大学(茨城県)
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Comparison of Determination Methods of Iron(II) in Freshwater of Lake Biwa, Japan, in Consideration of Organic Complexation2012

    • Author(s)
      Masahiro Maruo. Hajime Obata, Yuta Yaginuma. Shin Wakiyama, Kazuki, Nagaoka. Akira Mase
    • Organizer
      ASLO Aquatic Science Meeting
    • Place of Presentation
      滋賀県立琵琶湖ホール(滋賀県)
    • Year and Date
      2012-07-10
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 現場型自動分析装置を用いた海水中の極微量鉄(II)分析法の開発2012

    • Author(s)
      小畑元ほか
    • Organizer
      日本地球惑星科学連合2012年大会
    • Place of Presentation
      千葉県幕張メッセ
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Rare earth elements distribution and water mass characterization in the Pacific2012

    • Author(s)
      Hongo Y., Obata H., Gamo T.
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      Salt Lake City (U.S.A.)
    • Year and Date
      2012-02-22
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Comparison of Determination Methods of Iron(II) in Freshwater of Lake Biwa, Japan, in Consideration of Organic Complexation2012

    • Author(s)
      Masahiro Maruo, Hajime Obata, Yuta Yaginuma, Shin Wakiyama, Kazuki Nagaoka, Akira Mase
    • Organizer
      ASLO Aquatic Science Meeting 2012
    • Place of Presentation
      びわこホール、大津、滋賀
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Investigation of highly strong copper complexing ligands in lake water by peudopolarography2012

    • Author(s)
      Masahiro Maruo, Hajime Obata
    • Organizer
      The 15the International Symposium on Reservoirs and Lake Environment
    • Place of Presentation
      Wanhu International Hotel, 張家界、湖南省、中国
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Comparison of Determination Methods of Iron(II) in Freshwater of Lake Biwa, Japan, in Consideration of Organic Complexation2012

    • Author(s)
      Maruo M., H.Obata, et al.
    • Organizer
      ASLO Aquatic Science Meeting
    • Place of Presentation
      琵琶湖ホール(滋賀県大津市)
    • Year and Date
      2012-07-10
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] 現場型自動分析装置を用いた海水中の極微量鉄(II)分析法の開発2012

    • Author(s)
      小畑元、脇山真、馬瀬輝、蒲生俊敬、丸尾雅啓、岡村慶、紀本英志
    • Organizer
      日本地球惑星科学連合2012年大会
    • Place of Presentation
      幕張メッセ(千葉県)
    • Year and Date
      2012-05-21
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Distribution of neodymium isotopic composition in surface waters of the western south Pacific2012

    • Author(s)
      Obata H., Tazoe H., Sato H., Nagai H., Gamo T.
    • Organizer
      Ocean Sciences Meeting
    • Place of Presentation
      Salt Lake City (U.S.A.)
    • Year and Date
      2012-02-22
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Investigation of highly strong copper complexing ligands in lake water by pseudopolarography2012

    • Author(s)
      Maruo M., H.Obata
    • Organizer
      The 15th International Symposium on River and Lale Environments
    • Place of Presentation
      Zhanjiajie Wanhu International Hotel(張家界、湖南省、中国)
    • Year and Date
      2012-10-16
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Comparative Study of the Determinations of Iron(II) in Freshwater by Luminol Chemiluminescence and Spectrophotometry Using PDTS2011

    • Author(s)
      M.Maruo, K.Nagaoka, Y.Yaginuma, S.Wakiyama, A.Mase, H.Obata
    • Organizer
      IUPAC Interanational Congress on Analytical Sciences 2011
    • Place of Presentation
      京都国際会館(京都府)
    • Year and Date
      2011-05-26
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] Surface Nd isotopic distribution in the South Pacific Ocean and the Pacific sector of the Southern Ocean2011

    • Author(s)
      Tazoe H., Sato H., Nagai H., Obata H., Gamo T.
    • Organizer
      Liege Colloquium
    • Place of Presentation
      Liege大学(ベルギー)
    • Year and Date
      2011-05-05
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Pseudopolarographyによる湖水中金属配位子の評価2011

    • Author(s)
      丸尾雅啓、小畑元
    • Organizer
      日本陸水学会第76回大会
    • Place of Presentation
      島根大学(島根県)
    • Year and Date
      2011-09-25
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] 現場型自動分析計による海水中の鉄(II)の測定2011

    • Author(s)
      小畑元, 馬瀬輝, 脇山真, 蒲生俊敬, 丸尾雅啓, 岡村慶, 紀本英志
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      北海道大学(札幌)
    • Year and Date
      2011-09-14
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Pseudopolarographyによる湖水中金属配位子の評価2011

    • Author(s)
      丸尾雅啓、小畑元
    • Organizer
      日本陸水学会第76会大会
    • Place of Presentation
      島根大学
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Determination of picomolar level of zinc species in seawater using cathodic stripping voltammetry2011

    • Author(s)
      Kim T-J, Gamo T., Obata H.
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      北海道大学(札幌)
    • Year and Date
      2011-09-14
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Automated in-situ flow analytical method of Fe(II) in seawater using luminol chemiluminescence detection2011

    • Author(s)
      H.Obata, A.Mase, S.Wakiyama, T.Gamo, M.Maruo, K.Okamura
    • Organizer
      IUPAC Interanational Congress on Analytical Sciences 2011
    • Place of Presentation
      京都国際会館(京都府)
    • Year and Date
      2011-05-26
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] Automated in-situ flow analytical method of Fe(II) in seawater using luminol chemiluminescence detection2011

    • Author(s)
      H. Obata, A. Mase, S. Wakiyama, T. Gamo, M. Maruo, K. Okamura
    • Organizer
      IUPAC International Congress on Analytical Sciences 2011
    • Place of Presentation
      京都国際会館(京都府)
    • Year and Date
      2011-05-26
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] Automated in-situ flow analytical method of Fe(II) in seawater using luminal chemiluminescence detection.2011

    • Author(s)
      Obata H., Mase A., Wakiyama S., Gamo T., Maruo M., Okamura K.
    • Organizer
      IUPAC International Congress on Analytical Sciences 2011 (ICAS 2011)
    • Place of Presentation
      Kyoto
    • Year and Date
      2011-06-26
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Comparative Study of the Determinations of Iron(II) in Freshwater by Luminol Chemiluminescence and Spectrophotometry Using PDTS2011

    • Author(s)
      Maruo, M., K. Nagaoka, Y. Yaginuma, S. Wakiyama, A. Mase, H. Obata
    • Organizer
      IUPAC International Congress on Analytical Sciences 2011
    • Place of Presentation
      京都国際会館(京都府)
    • Year and Date
      2011-05-26
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] 海底熱水及び温泉水中のヨウ素の濃度と化学種の分析2011

    • Author(s)
      岡部宣章, 蒲生俊敬, 小畑元, 川口慎介, 武田重信
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      北海道大学(札幌)
    • Year and Date
      2011-09-14
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Lead and Lead isotopes in the Atlantic and Indian Ocean : GEOTRACES data2011

    • Author(s)
      Boyle E., 3名, Gamo T., Obata H., Norisuye K.
    • Organizer
      Goldschmidt Conference
    • Place of Presentation
      プラハ会議センター(チェコ)
    • Year and Date
      2011-08-15
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 表面海水および沿岸海水中の鉄(II)の船上分析2011

    • Author(s)
      小畑元, 脇山真, 蒲生俊敬, 武田重信, 迎雄一, 兼原壽生
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      九州大学(福岡県筑紫キャンパス)
    • Year and Date
      2011-09-29
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 橘湾における船上分析法を用いた海水中のFe(II)の測定2011

    • Author(s)
      脇山真, 小畑元, 蒲生俊敬, 武田重信, 兼原壽生
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      北海道大学(札幌)
    • Year and Date
      2011-09-14
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 海水中の鉄(II)の現場自動分析計の開発2011

    • Author(s)
      小畑元, 馬瀬輝, 蒲生俊敬, 丸尾雅啓, 岡村慶, 紀本英志
    • Organizer
      日本海洋学会春季大会(東日本大震災により中止)
    • Place of Presentation
      東京大学大気海洋研究所
    • Year and Date
      2011-03-23
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 現場型自動分析計による海水中の鉄(II)の測定2011

    • Author(s)
      小畑元、馬瀬輝、脇山真、蒲生俊敬、丸尾雅啓、岡村慶、紀本英志
    • Organizer
      2011年度日本地球化学会年会
    • Place of Presentation
      北海道大学学術交流会館(北海道)
    • Year and Date
      2011-09-15
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] 西部北太平洋における鉄(II)の分布およびその酸化過程2011

    • Author(s)
      脇山真, 小畑元, 蒲生俊敬, 武田重信, 兼原壽生, 川口慎介
    • Organizer
      日本海洋学会春季大会(東日本大震災により中止)
    • Place of Presentation
      東京大学大気海洋研究所
    • Year and Date
      2011-03-23
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Surface Nd isotopic distrubution in the South Pacific Ocean and the Pacific sector of the Southern Ocean.2011

    • Author(s)
      Tazoe H., Sato H., Nagai H., Obata H., Gamo T.
    • Organizer
      Liege Colloquium
    • Place of Presentation
      Brussels (Belgium)
    • Year and Date
      2011-05-06
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Automated in-situ flow analytical method of Fe(II) in seawater using luminol chemiluminescence detection2011

    • Author(s)
      Obata H., Mase A., Wakiyama S., Gamo T., Maruo, M., Okamura, K.
    • Organizer
      IUPAC International Congress on Analytical Chemistry 2011 (ICAS2011)
    • Place of Presentation
      京都国際会議場(京都府)
    • Year and Date
      2011-05-26
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Pseudopolarography による湖水中金属配位子の評価2011

    • Author(s)
      丸尾雅啓、小畑元
    • Organizer
      日本陸水学会第76回大会
    • Place of Presentation
      島根大学(島根県松江市)
    • Year and Date
      2011-09-25
    • Data Source
      KAKENHI-PROJECT-23510010
  • [Presentation] Observation of natural phytoplankton blooms in the western subarctic North Pacific : Is there relation to atmospheric iron supply?2010

    • Author(s)
      Takeda, S., A.Okubo, I.Tanita, T.Kodama, H.Obata
    • Organizer
      American Geophysical Union 2010 Fall Meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2010-12-15
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] Links between atmospheric deposition, nutrient cycling and phytoplankton productivity in the East China Sea.2010

    • Author(s)
      Takeda S., A.Okubo, H.Obata
    • Organizer
      The Second Workshop on Marine Environment in the East China Sea and Its Sound Future
    • Place of Presentation
      都ホテル,福岡市
    • Year and Date
      2010-02-07
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] Dissolved platinum in rain, river and sea water in Tokyo areas.2010

    • Author(s)
      Obata, H.
    • Organizer
      Joint 5th Workshop on Asian Dust and Ocean Ecosystem with Asian SOLAS/WESTPAC/METMOP/SALSA
    • Place of Presentation
      ホテルJALシティ,長崎市
    • Year and Date
      2010-11-29
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] Determination of dissolved Fe(II) in seawater of the western North Pacific with luminol chemiluminescence method2010

    • Author(s)
      Obata, H.
    • Organizer
      American Geophysical Union 2010 Fall Meeting
    • Place of Presentation
      Moscone Convention Center, San Francisco, USA
    • Year and Date
      2010-12-15
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] インド洋の南北縦断GEOTRACES観測航海(序報)2010

    • Author(s)
      蒲生俊敬, 小畑元, KH-09-5次航海.乗船研究者一同
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      東京農業大学網走キャンパス
    • Year and Date
      2010-09-07
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] KH-09-5次航海乗船研究者一同,インド洋の南北縦断GEOTRACES観測航海(序報)2010

    • Author(s)
      蒲生俊敬,小畑元
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      東京農業大学網走キャンパス
    • Year and Date
      2010-09-07
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Determination of dissolved Fe(II) in seawater of the western North Pacific with luminol chemiluminescence method2010

    • Author(s)
      Obata, H.
    • Organizer
      第5回特定領域研究「大気海洋物質循環」全体会議
    • Place of Presentation
      ヘリテイジ・リゾート,埼玉県熊谷市
    • Year and Date
      2010-08-25
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] 西部北太平洋における鉄(II)の分布およびその酸化過程2010

    • Author(s)
      小畑元
    • Organizer
      2010年度日本海洋学会秋季大会
    • Place of Presentation
      東京農業大学,網走市
    • Year and Date
      2010-09-07
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] 湖水中溶存鉄(II)の存在状態および定量値に与える溶存有機物の影響2010

    • Author(s)
      丸尾雅啓、永岡一樹、小林一星、小沢佳那子、小畑元
    • Organizer
      日本陸水学会第75回大会
    • Place of Presentation
      弘前大学(青森県)
    • Year and Date
      2010-09-18
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] ケイ素安定同位体Si^<30>を用いた生物ケイ酸の生産・溶解速度の測定2010

    • Author(s)
      武田重信、丸川真悟、小畑元、田副博文、小埜恒夫
    • Organizer
      2010年度日本海洋学会春季大会
    • Place of Presentation
      東京海洋大学品川キャンパス
    • Year and Date
      2010-03-27
    • Data Source
      KAKENHI-PROJECT-20310006
  • [Presentation] Determination of dissolved Fe(II) in seawater of the western North Pacific with luminal chemiluminescence method2010

    • Author(s)
      H.Obata, A.Mase, T.Gamo, J.Nishioka, S.Takeda
    • Organizer
      2010 American Geophysical Union Fall Meeting
    • Place of Presentation
      San Francisco (USA)
    • Year and Date
      2010-12-15
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Determination of dissolved Fe(II) in seawater of the western North Pacific with luminol chemiluminescence method.2010

    • Author(s)
      Obata, H.A.Mase, T.Gamo, J.Nishioka, S.Takeda
    • Organizer
      2010 American Geophysical Union 2010 Fall Meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2010-12-15
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] 西部北太平洋における鉄(II)の分布およびその酸化過程2010

    • Author(s)
      小畑元,馬瀬輝,蒲生俊敬,西岡純,武田重信
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      東京農業大学網走キャンパス
    • Year and Date
      2010-09-07
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 湖水中溶存鉄(II)の存在状態および定量値に与える溶存有機物の影響2010

    • Author(s)
      丸尾雅啓、永岡一樹、小林一星、小沢佳那子、小畑元
    • Organizer
      日本陸水学会第75回大会
    • Place of Presentation
      弘前大学
    • Year and Date
      2010-09-18
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] Influence of atmospheric nutrients input on phytoplankton assemblage in the East China Sea and the subtropical NW Pacific Ocean.2010

    • Author(s)
      Takeda, S., M.Sato, Y.Mukae, H.Obata
    • Organizer
      The 5^th joint workshop on Asian Dust and Ocean Ecosystem with Asian SOLAS/WESTPAC/METMOP/SALSA
    • Place of Presentation
      ホテルJALシティ,長崎市
    • Year and Date
      2010-11-29
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] ケイ素安定同位体^<30> Siを用いた生物ケイ酸の生産・溶解速度の測定2010

    • Author(s)
      武田重信、丸川真悟、小畑元、田副博文、小埜恒夫
    • Organizer
      2010年度日本海洋学会春季大会
    • Place of Presentation
      東京海洋大学品川キャンパス
    • Year and Date
      2010-03-27
    • Data Source
      KAKENHI-PROJECT-20310006
  • [Presentation] Determination of dissolved Fe(II)in seawater of the western North Pacific with luminal chemiluminescence method.2010

    • Author(s)
      H.Obata, A.Mase, T.Gamo, J.Nishioka, S.Takeda
    • Organizer
      2010 American Geophysical Union Fall Meeting
    • Place of Presentation
      San Francisco(LISA)
    • Year and Date
      2010-12-15
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 東京湾周辺域における白金と銀の挙動2009

    • Author(s)
      小畑元・Antoni Ferrer I Santos,田副博文,堤眞,蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      広島大学
    • Year and Date
      2009-09-17
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 琵琶湖水中の腐植物質がFe(II)の挙動に与える影響について2009

    • Author(s)
      永岡一樹,丸尾雅啓,大田啓一,小畑元
    • Organizer
      日本陸水学会第74回大会
    • Place of Presentation
      大分大学(大分県)
    • Year and Date
      2009-09-17
    • Data Source
      KAKENHI-PROJECT-21310007
  • [Presentation] 太平洋中緯度海域におけるbottom scavengingの影響2009

    • Author(s)
      大久保綾子・小畑元・蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      広島大学
    • Year and Date
      2009-09-17
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 水曜海山熱水活動域における熱水及び海水中の希土類元素の挙動2009

    • Author(s)
      寺西源太,小畑元,蒲生俊敬,田副博文,石橋純一郎
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      京都大学
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Atmospheric deposition of trace metals at the coast of Japan and its effect on phytoplankton growth in the NW Pacific.2009

    • Author(s)
      Okubo, A., S.Takeda, H.Obata
    • Organizer
      SOLAS Open Science Conference 2009
    • Place of Presentation
      Barcelona, Spain
    • Year and Date
      2009-11-17
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] 太平洋中緯度海域のTh同位体鉛直分布-海底直上における除去過程と混合過程の影響2009

    • Author(s)
      大久保綾子・小畑元・蒲生俊敬・鄭建
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京大学
    • Year and Date
      2009-04-07
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 西部北太平洋亜寒帯域における微量金属元素の分布とスペシエーション2009

    • Author(s)
      柴田直弥、大久保綾子、小畑元、蒲生俊敬、西岡純、武田重信、児玉武稔、谷田巌、鈴木光次
    • Organizer
      東京大学海洋研究所共同利用シンポジウム白鳳丸航海KH-08-2データシンセシス
    • Place of Presentation
      東京大学海洋研究所
    • Year and Date
      2009-12-11
    • Data Source
      KAKENHI-PROJECT-20310006
  • [Presentation] 太平洋中緯度海域における bottom scavenging の影響2009

    • Author(s)
      大久保綾子, 小畑元, 蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      広島大学
    • Year and Date
      2009-09-17
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 太平洋中緯度海域のTh同位体鉛直分布-海底直上における除去過程と混合過程の影響2009

    • Author(s)
      大久保綾子, 小畑元, 蒲生俊敬, 鄭建
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京大学(本郷)
    • Year and Date
      2009-04-06
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 水曜海山熱水活動域における熱水および海水中の希土類元素の挙動2009

    • Author(s)
      寺西源太, 小畑元, 蒲生俊敬, 田副博文, 石橋純一郎
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      京都大学
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 太平洋中緯度海域のTh同位体鉛直分布---海底直上における除去過程と混合過程の影響2009

    • Author(s)
      大久保綾子, 小畑元, 蒲生俊敬, 鄭建
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京大学(本郷)
    • Year and Date
      2009-04-06
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 水曜海山熱水系における微量金属元素の地球化学的研究2008

    • Author(s)
      寺西源太,小畑元,蒲生俊敬,石橋純一郎,木村浩之
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      東京大学(駒場)
    • Year and Date
      2008-09-17
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] 海洋大循環モデルによる希土類元素濃度分布の再現2008

    • Author(s)
      岡顕,羽角博康,小畑元,蒲生俊敬,山中康裕
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      東京大学(駒場)
    • Year and Date
      2008-09-19
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Novel trace metals in Tokyo Bay water.2008

    • Author(s)
      Obata, Hajime
    • Organizer
      University of Hawaii and University of Tokyo Joint Symposium on Ocean and Coastal Sciences
    • Place of Presentation
      Tokyo(Japan)
    • Year and Date
      2008-03-14
    • Data Source
      KAKENHI-PROJECT-17681001
  • [Presentation] Underway sampling system for determination of dissolved and particulate trace metals in oceanic surface waters (GEOSS/BIOCARBON)2008

    • Author(s)
      Takeda, S., H. Obata, T. Inoue, G. Teranishi
    • Organizer
      2008 Ocean Sciences Meeting
    • Place of Presentation
      Orlando, U.S.A.
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] 日本海深層における鉄の除去2008

    • Author(s)
      小畑元
    • Organizer
      日本地球化学会
    • Place of Presentation
      東京大学教養学部
    • Year and Date
      2008-09-19
    • Data Source
      KAKENHI-PLANNED-18067006
  • [Presentation] Intercalibration on GEOTRACES.2007

    • Author(s)
      Obata, Hajime
    • Organizer
      Reference Material for Ocean Science workshop
    • Place of Presentation
      Tsukuba(Japan)
    • Year and Date
      2007-11-01
    • Data Source
      KAKENHI-PROJECT-17681001
  • [Presentation] 太平洋縁辺海におけるアルミニウム、インジウム、セリウム2007

    • Author(s)
      小畑 元
    • Organizer
      日本地球化学会第53回年会
    • Place of Presentation
      岡山大学
    • Year and Date
      2007-09-19
    • Data Source
      KAKENHI-PROJECT-17681001
  • [Presentation] Vertical distribution of ^<230>Th in mid-latitude of the Pacific Ocean.2007

    • Author(s)
      Okubo A., Obata H., Gamo T., Zheng J.
    • Organizer
      AGU Fall Meeting
    • Place of Presentation
      San Francisco (USA)
    • Data Source
      KAKENHI-PROJECT-19253006
  • [Presentation] Rare earth elements during an iron fertilization experiment in the western subarctic North Pacific (SEEDS-II)2006

    • Author(s)
      Obata, H.
    • Organizer
      PICES 15th Annual Meeting
    • Place of Presentation
      Yokohama
    • Year and Date
      2006-10-16
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16201003
  • [Presentation] Rare earth elements during an iron fertilization experiment in the western subarctic North Pacific (SEEDS-II)2006

    • Author(s)
      Obata, H.
    • Organizer
      PICK ; 15th Annual Meeting
    • Place of Presentation
      Yokohama
    • Year and Date
      2006-10-16
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16201003
  • [Presentation] Distribution and biogeochemical cycles of platinum in estuaries, the western North Pacific and its marginal seas

    • Author(s)
      Suzuki, A., Obata, H., Gamo, T.
    • Organizer
      Univ. Tokyo & Univ. Hawaii 3rd Joint Symposium on ocean, coastal, and atmospheric sciences
    • Place of Presentation
      東京大学大気海洋研究所,千葉県
    • Year and Date
      2015-03-10 – 2015-03-12
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 高感度硫化水素測定法による海水中の硫化物の存在状態の研究:分析法の確立と鬼界カルデラにおける観測

    • Author(s)
      中山典子,小畑元,蒲生俊敬,佐野有司
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      富山大学,富山県
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 相模湾および伊豆小笠原海溝域における鉄・亜鉛の挙動

    • Author(s)
      小畑 元,西岡 純,金 泰辰,則末 和宏,武田 重信, 涌田 陽平,蒲生 俊敬
    • Organizer
      2014年度日本地球化学会第61回年会
    • Place of Presentation
      富山大学共通教育棟(富山県)
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Characterization of highly strong metal binding ligands in waters of natural lakes in Japan and Korea by electroanalysis

    • Author(s)
      Maruo, M., H. Obata, O. Mitamura, T. Akatsuka, N. Amahashi, H. Azumi, H.-S. Shin, Y. Seike, S. Sugahara, A. Yagi, M. Oyagi, N. Ishida, R. Somiya, J. K. Choi
    • Organizer
      The 16th International Symposium on River and Lake Environments
    • Place of Presentation
      LADENA Resort, Chuncheon (Korea)
    • Year and Date
      2014-08-24 – 2014-08-27
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] 西武北太平洋および縁辺海における白金の分布

    • Author(s)
      鈴木麻彩実,小畑元,大久保綾子,蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      富山大学,富山県
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 西部北太平洋および縁辺海における白金の分布

    • Author(s)
      鈴木麻彩実,小畑元,大久保綾子,蒲生俊敬
    • Organizer
      2014年度日本地球化学会第61回年会
    • Place of Presentation
      富山大学共通教育棟(富山県)
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Dissolved zinc and its speciation in the northwestern Indian Ocean and Andaman Sea

    • Author(s)
      Kim, T-J., Obata, H., Gamo, T.
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      富山大学,富山県
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 北極海およびベーリング海におけるヨウ素の存在状態

    • Author(s)
      三輪一爾,小畑元,鈴木崇史,蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      富山大学,富山県
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Clean seawater sampling for trace metals during Japanese GEOTRACES cruises

    • Author(s)
      Obata, H., Nishioka, J., Kim, T-J., Norisuye, K., Takeda, S., Wakuta, Y., Gamo, T.
    • Organizer
      Asia Oceanic Geoscience Society
    • Place of Presentation
      ロイトン札幌ホテル,北海道
    • Year and Date
      2014-07-28 – 2014-08-01
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] 相模湾および伊豆小笠原海溝域における鉄・亜鉛の挙動

    • Author(s)
      小畑元,西岡純,金泰辰,則末和宏,武田重信,涌田陽平,蒲生俊敬
    • Organizer
      日本地球化学会年会
    • Place of Presentation
      富山大学,富山県
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-23253001
  • [Presentation] Dissolved zinc and its speciation in the northeastern Indian Ocean and Andaman Sea.

    • Author(s)
      Kim, T., H. Obata, and T. Gamo
    • Organizer
      2014年度日本地球化学会第61回年会
    • Place of Presentation
      富山大学共通教育棟(富山県)
    • Year and Date
      2014-09-16 – 2014-09-18
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Pseudopolarography による琵琶湖水中銅配位子の評価

    • Author(s)
      丸尾雅啓,小畑元
    • Organizer
      JpGU Meeting 2014
    • Place of Presentation
      パシフィコ横浜(神奈川県)
    • Year and Date
      2014-04-28 – 2014-05-02
    • Data Source
      KAKENHI-PROJECT-24310006
  • [Presentation] Clean seawater sampling for trace metals during Japanese GEOTRACES cruises

    • Author(s)
      Obata, H., J. Nishioka, T. Kim, K. Norisuye, S. Takeda, Y. Wakuta and T. Gamo
    • Organizer
      AOGS2014
    • Place of Presentation
      ロイトン札幌(北海道)
    • Year and Date
      2014-07-28 – 2014-08-01
    • Invited
    • Data Source
      KAKENHI-PROJECT-24310006
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    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 67.  吉田 尚弘
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 68.  平譯 亨
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 3 results
  • 69.  鈴木 勝彦
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 70.  鈴木 庸平
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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