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)	2025: 東京大学, 大気海洋研究所, 教授
Affiliation (based on the past Project Information) *help	2016 – 2025: 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 / Basic Section 63010:Environmental dynamic analysis-related / Basic Section 63010:Environmental dynamic analysis-related / Environmental dynamic analysis / 地球化学 Except Principal Investigator Environmental dynamic analysis / Transformative Research Areas, Section (IV) / Geochemistry/Astrochemistry / Broad Section K / Complex systems / Science and Engineering
Keywords	Principal Investigator 河口域 / 微量金属元素 / 白金 / 鉄(II) / 現場型自動分析計 / 鉄 / 海洋 / 海水 / 親潮 / 黒潮 … More / 西部北太平洋 / 分配比 / 粒子 / 錯化容量 / 吸光光度法 / 銅 / 蛍光光度法 / 電気化学分析法 / 腐植物質 / ICP質量分析 / 白金族元素 / 環境分析 / 海洋科学 / 陰イオン交換樹脂 / 海水の滞留時間 / 内湾 / 沿岸堆積物 / 堆積物 / 沿岸域 / 人為起源 / パラジウム / Southern Ocean / Pacific Ocean / cathodic stripping voltammetry / isotope dilution-ICP mass spectrometry / platinum / silver / novel trace metal / ネオジム同位体 / 表面電離質量分析 / 水塊トレーサー / 希土類元素 / マンガンノジュール / マイクロフローネビューライザー / ネオジウム同位体比 / セリウム同位体比 / 白鳳丸 / 海洋物質循環 / 超微量貴金属元素 / ボルタンメトリー / イリジウム / 南極海 / 太平洋 / カソーデイックストリッピングボルタンメトリー法 / 同位体希釈-ICP質量分析法 / 銀 / 貴金属元素 / 錯生成 / 有機錯体 / 海底熱水活動 / 自動分析装置 / 有機配位子 / 硫化物 / 亜鉛 / 熱水プルーム / 現場型分析装置 / 化学発光 / 化学発光法 / 還元化学種 / 現場分析 / 化学海洋学 / コロイド態 / 半閉鎖系海域 / トリウム-232 / トリウム-230 / 量子態 / 縁辺海 / インジウム / アルミニウム / 溶存態 / 粒子態 / コロイド … More Except Principal Investigator 海洋科学 / 微量元素 / 地球化学 / 珪藻 / 植物プランクトン / 海洋生態 / 鉄 / 同位体 / 栄養物質 / 北太平洋 / 生物生産 / ケイ素 / 生物ケイ酸 / 生物地球化学 / GEOTRACES / 栄養物質交換 / 亜寒帯外洋域 / 沿岸域 / 化学的プロパティ / 外洋 / 陸水 / 沿岸海洋 / 栄養物質３次元循環像 / Nd同位体 / 栄養物質3次元循環像 / ベーリング海 / 西部北太平洋 / 親潮上流 / HNLC海域 / 3次元循環像 / 化学海洋学 / 物質循環 / 海洋生態系 / 化学トレーサー / 基礎生産 / オホーツク海 / 西部ベーリング海 / 北太平洋亜寒帯域 / 親潮源流域 / 縁辺海 / 栄養物質循環 / 西部北太平洋亜寒帯 / Phytoplankton / Biogenic silica / Mass spectrometry / Stable isotope / Diatoms / Silicon / Marine ecosystem / Earth science / ケイ酸 / ケイ藻 / 質量分析 / 安定同位体 / 地球科学 / CO_2 sequestration / Dimethvl sulfide / Water-mass tracking / Iron fertilization / Bioaenic Bass / Diatom / Iron / Ocean science / 海洋生物生産 / 二酸化炭素隔離 / 硫化ジメチル / 水塊追跡 / 鉄散布実験 / 気候効果気体 / 環境質定量化・予測 / 化学スペシエーション / 琵琶湖 / 有機配位子 / 環境質定量化 / 国際共同観測 / 国際共同GEOTRACES計画 / 環境分析 / 微量元素・同位体計測 / 海洋の地球化学サイクル / 学術研究船白鳳丸 / 海水のクリーン採取・分析 / 南太平洋・南極海 / 海洋の微量元素・同位体 / クリーン採水 / 太平洋 / 学術研究船 / 海洋の生物地球化学 / 微量元素と同位体 / 国際GEOTRACES計画 / 炭素循環 / 環境変動 / 海洋環境化学 / 研究船白鳳丸 / 国際共同調査 / 日本海の化学観測 / インド洋の化学観測 / 海洋の微量元素 / 黄砂 / 大気海洋相互作用 / 大気海洋物質循環 / 地球観測 Less

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
Mechanistic insights of microbial exudates in complexation and redox kinetics of iron and copper in aquatic environmentsPrincipal Investigator
- Principal Investigator
  
  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
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
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Principal Investigator
- Principal Investigator
  
  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

[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] Origin and Transport of Dissolved Organic Matter in the Northwestern Margin of the North Pacific Inferred from Radiocarbon Signatures2024
- Author(s)
  Otosaka, S., Y. Hou, M. Wakita, Y. Yamashita, J. Nishioka, H. Obata, Y. Miyairi, Y. Yokoyama, H. Ogawa
- Journal Title
  
  Journal of Coastal Research
  
  Volume: 116 Issue: sp1 Pages: 181-185
- DOI
  10.2112/jcr-si116-037.1
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-22H05205, KAKENHI-PUBLICLY-23H04815, KAKENHI-PROJECT-23K20393, KAKENHI-PROJECT-23K24982
[Journal Article] Distributions of humic substances in an estuarine region (Otsuchi Bay, Japan) determined using electrochemical and optical methods2023
- Author(s)
  Lee Ying Ping、Wong Kuo Hong、Obata Hajime、Nishitani Keisuke、Ogawa Hiroshi、Fukuda Hideki、Lu Chia-Jung
- Journal Title
  
  Marine Chemistry
  
  Volume: 256 Pages: 104301-104301
- DOI
  10.1016/j.marchem.2023.104301
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18021, KAKENHI-PROJECT-22KF0076
[Journal Article] Variations in Physiology and Genomic Function of <i>Prochlorococcus</i> Across the Eastern Indian Ocean2023
- Author(s)
  Jiang Siyu、Hashihama Fuminori、Liu Hongbin、Yoshitake Kazutoshi、Takami Hideto、Hamasaki Koji、Ikhsani Idha Yulia、Obata Hajime、Saito Hiroaki
- Journal Title
  
  Journal of Geophysical Research: Oceans
  
  Volume: 128 Issue: 10
- DOI
  10.1029/2023jc019898
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Journal Article] Building a GEOTRACES global dataset of trace elements and isotopes in the ocean2023
- Author(s)
  西岡純, Schlitzer Reiner, 小畑元, 近藤能子, 張勁
- Journal Title
  
  Chikyukagaku
  
  Volume: 57 Issue: 2 Pages: 55-63
- DOI
  10.14934/chikyukagaku.57.55
- ISSN
  0386-4073, 2188-5923
- Year and Date
  2023-06-25
- Language
  Japanese
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Journal Article] Dissolved trace metals (Fe, Mn, Pb, Cd, Cu, and Zn) in the eastern Indian Ocean2023
- Author(s)
  Ikhsani, I. Y., K. H. Wong, H. Ogawa and H. Obata
- Journal Title
  
  Marine Chemistry
  
  Volume: 248 Pages: 104208-104208
- DOI
  10.1016/j.marchem.2023.104208
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Journal Article] Present status and next issues of platinum group elements studies in seawater2023
- Author(s)
  眞塩麻彩実，小畑元
- Journal Title
  
  Chikyukagaku
  
  Volume: 57 Issue: 2 Pages: 142-150
- DOI
  10.14934/chikyukagaku.57.142
- ISSN
  0386-4073, 2188-5923
- Year and Date
  2023-06-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-22H05205, KAKENHI-PROJECT-23K24982
[Journal Article] Findings on Marine Geochemistry of Trace Elements and Their Isotopes: Recent Achievements by GEOTRACES Project2023
- Author(s)
  小畑元、西岡純、近藤能子、張勁
- Journal Title
  
  Chikyukagaku
  
  Volume: 57 Issue: 2 Pages: 35-54
- DOI
  10.14934/chikyukagaku.57.35
- ISSN
  0386-4073, 2188-5923
- Year and Date
  2023-06-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-22H05205, KAKENHI-PROJECT-21H03592, KAKENHI-PROJECT-23K24982
[Journal Article] Organic complexation of copper in Japanese estuarine waters using reverse titration method2022
- Author(s)
  Wiwit, K. H. Wong, H. Fukuda, H. Ogawa, A. S. Mashio and H. Obata
- Journal Title
  
  Journal of Oceanography
  
  Volume: - Issue: 4 Pages: 335-348
- DOI
  10.1007/s10872-022-00674-1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05205, KAKENHI-PROJECT-23K24982
[Journal Article] Determination of organic ligands of trace metals in seawater by using electroanalytical methods2022
- Author(s)
  小畑元, 黄国宏
- Journal Title
  
  Chikyukagaku
  
  Volume: 56 Issue: 3 Pages: 33-46
- DOI
  10.14934/chikyukagaku.56.33
- ISSN
  0386-4073, 2188-5923
- Year and Date
  2022-09-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K24982
[Journal Article] Sub-picomolar determination of dissolved palladium in seawater2022
- Author(s)
  A.S. Mashio, A. Ichimura, H. Yamagishi, K.H. Wong, H. Obata, H. Hasegawa
- Journal Title
  
  Mar. Chem.
  
  Volume: 243 Pages: 104124-104124
- DOI
  10.1016/j.marchem.2022.104124
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03632, KAKENHI-PROJECT-23K24982
[Journal Article] Long-range lateral transport of dissolved manganese and iron in the subarctic Pacific2022
- Author(s)
  Wong, K. H., J. Nishioka, T. Kim, H. Obata
- Journal Title
  
  J. Geophys. Res., Ocean
  
  Volume: 127 Issue: 2
- DOI
  10.1029/2021jc017652
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H05056
[Journal Article] Subarctic pacific intermediate water: an oceanic highway for the transport of trace metals in the North Pacific2022
- Author(s)
  K.H. Wong, H. Obata, J. Nishioka, Y. Yamashita, Y. Kondo, T. Kim, A.S. Mashio, H. Hasegawa
- Journal Title
  
  Limnology and Oceanography Bulletin
  
  Volume: 31 Issue: 2 Pages: 31-36
- DOI
  10.1002/lob.10490
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03632, KAKENHI-PROJECT-19K12309, KAKENHI-PROJECT-20KK0240, KAKENHI-PROJECT-21H05056
[Journal Article] 海水中の微量金属元素に対する有機配位子の電気化学分析法2022
- Author(s)
  小畑元, 黄国宏
- Journal Title
  
  地球化学
  
  Volume: 56
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-22H05205
[Journal Article] Vertical profiles of 226Ra and 228Ra activity concentrations in the western Subarctic Gyre of the Pacific Ocean2022
- Author(s)
  Tazoe, H., Obata, H., Hara, T., Inoue, M., Tanaka, T., Nishioka, J.
- Journal Title
  
  Frontiers in Marine Science
  
  Volume: 9 Pages: 824862-824862
- DOI
  10.3389/fmars.2022.824862
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H03575, KAKENHI-PROJECT-23K22007, KAKENHI-PROJECT-23K24982, KAKENHI-PLANNED-22H05029, KAKENHI-PROJECT-21H05056
[Journal Article] Very strong but exchangeable organic ligand of cobalt in the marginal sea2022
- Author(s)
  K.H. Wong, J. Xu, Y. Kondo, S. Takeda, A.S. Mashio, H. Hasegawa, H. Obata
- Journal Title
  
  Limnol. Oceanogr.
  
  Volume: 67 Issue: 6 Pages: 1299-1312
- DOI
  10.1002/lno.12078
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03632, KAKENHI-PROJECT-19K12309, KAKENHI-PROJECT-20KK0240, KAKENHI-PROJECT-23K24982, KAKENHI-PROJECT-21H05056
[Journal Article] 海水中の微量金属元素に対する有機配位子の電気化学分析法2022
- Author(s)
  小畑元, 黄国宏
- Journal Title
  
  地球化学
  
  Volume: 56 Pages: 33-46
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H05056
[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
  
  Limnol. Oceanogr.
  
  Volume: - Issue: 4 Pages: 1-16
- DOI
  10.1002/lno.11695
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-19K12309
[Journal Article] 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: - Issue: 4
- 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 Pages: 103927-103927
- 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
  
  Progress in Oceanography
  
  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, KAKENHI-PROJECT-21H04921
[Journal Article] Distinct profiles of size-fractionated iron-binding ligands between the eastern and western subarctic Pacific2021
- Author(s)
  Kondo Yoshiko、Bamba Rise、Obata Hajime、Nishioka Jun、Takeda Shigenobu
- Journal Title
  
  Scientific Reports
  
  Volume: 11 Issue: 1 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 Issue: 5 Pages: 537-545
- DOI
  10.1080/00223131.2019.1699189
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-15H05820
[Journal Article] Subpolar 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
  
  Volume: 117 Issue: 23 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 Issue: 1 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 Issue: 21 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] 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 Ocean.2018
- Author(s)
  Takahata, N., Hara, T., Shirai, K., Ohmori, K., Obata, H., Gamo, T., and Sano, Y.
- Journal Title
  
  Terrestrial, Atmospheric and Oceanic Sciences
  
  Volume: 29 Issue: 3 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] 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 Issue: 5 Pages: 427-431
- DOI
  10.2343/geochemj.2.0533
- NAID
  130007495936
- ISSN
  0016-7002, 1880-5973
- Year and Date
  2018-09-28
- Language
  English
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-16H02701
[Journal Article] The GEOTRACES intermediate data product 20172018
- 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] 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 Issue: 6 Pages: e29-e38
- 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] 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] Neodymium concentration and isotopic composition distributions in the southwestern Indian Ocean and the Indian sector of the Southern Ocean2018
- 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] 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 processes -2017
- Author(s)
  Nishioka, J., and H. Obama
- Journal Title
  
  Limnology and Oceanography
  
  Volume: - Issue: 5 Pages: 2004-2022
- DOI
  10.1002/lno.10548
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26247076, KAKENHI-PROJECT-26281002, KAKENHI-PLANNED-15H05820, KAKENHI-PROJECT-17H00775
[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
- Year and Date
  2017-03-21
- 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] 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, Japan.2017
- Author(s)
  Mashio, A. S., H. Obata, and T. Gamo
- Journal Title
  
  Archives of Environmental Contamination and Toxicology
  
  Volume: 73 Issue: 2 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 pacific2017
- Author(s)
  Kim, T., H. Obata, J. Nishioka, T. Gamo
- Journal Title
  
  Global Biogeochmical Cycles
  
  Volume: 31 Issue: 9 Pages: 1454-1468
- 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 Japan.2016
- 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 / 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 2012.2016
- 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 Zn and its speciation in the northeastern Indian Ocean and the Andaman Sea.2015
- Author(s)
  Kim, T-J., Obata, H., and Gamo, T.
- Journal Title
  
  Frontiers 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 Ocean.2015
- 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 seas.2015
- 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] Sulfides in oxic seawater over the submarine hydrothermal area of Kikai Caldera south of Kyushu Island, Japan.2015
- Author(s)
  N. Nakayama, K. Shirai, Y. Sano, T. Gamo, H. Obata
- Journal Title
  
  Geochemical Journal
  
  Volume: 49 Issue: 4 Pages: e1-e7
- DOI
  10.2343/geochemj.2.0374
- NAID
  130005092564
- Peer Reviewed / 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 Issue: 1 Pages: 30-39
- DOI
  10.1002/lom3.10004
- Peer Reviewed
- 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 Japan2014
- Author(s)
  Kawagucci, S., Narita, T., Obata, H., Ogawa, H., and Gamo, T.
- Journal Title
  
  Mar. Chem.
  
  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
  
  PNAS
  
  Volume: 111 Issue: 43 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 Pacific2014
- Author(s)
  Suzuki, A., Obata, H., Okubo, A., Gamo, T.
- Journal Title
  
  Mar. Chem.
  
  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
  
  Oceanogr.
  
  Volume: 27 Issue: 1 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 seawater.2013
- 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] 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 Ocean2013
- 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] Geochemical origin of hydrothermal fluid methane in sediment-associated fields and its relevance with the geographical distribution of whole hydrothermal circulation2012
- 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
  
  Chem. Geol
  
  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] 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 issotopic systematics of surface cerium and neodymium in the Pacific Ocean2011
- Author(s)
  Tazoe, H., H. Obata, and T. Gamo
- Journal Title
  
  Geochemistry, Geophysics, Geosystems
  
  Volume: 12 Issue: 4 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] Effect of copper-binding organic ligands on phytoplankton growth in Japanese coastal waters2024
- Author(s)
  Hajime Obata, Wiwit, Kuo Hong Wong, Chia-Jung Lu, Hideki Fukuda, Hiroshi Ogawa, Kazutaka Takahashi, Asami S. Mashio, Shigenobu Takeda
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Sources of dissolved organic carbon in the western North Pacific traced by radiocarbon signatures2024
- Author(s)
  Shigeyoshi Otosaka, Yui Sakai, Masahide Wakita, Yunxuan Hou, Youhei Yamashita, Jun Nishioka, Hajime Obata, Yosuke Miyairi, Yusuke Yokoyama and Hiroshi Ogawa
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Distributions of dissolved bismuth and lead isotope ratios in the East China Sea and adjacent waters2024
- Author(s)
  Kazuhiro Norisuye, Hayato Kuriyama, Shun Kakuta and Hajime Obata
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Distributions of dissolved Te(IV) and Te(VI) in the eastern Indian Ocean2024
- Author(s)
  Tohru Fukazawa, Hajime Obata, Kazuhiro Norisuye
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Understanding the Longevity of North Pacific Sedimentary Margin Iron Sources2024
- Author(s)
  Hannah Hunt, Matthias Sieber, Shotaro Takano, Nathan Timothy Lanning, Xiaopeng Bian, Shun-Chung Yang, Jessica N Fitzsimmons, Seth John, Hajime Obata, Jun Nishioka, Matthew A Charette and Tim Conway
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] North-south longitudinal distributions of suspended particulate trace elements in the western North Pacific2024
- Author(s)
  Kodai Shimizu, Tohru Fukazawa, Hajime Obata, Jun Nishioka, Hideki Minami, Yuzuru Nakaguchi and Kazuhiro Norisuye
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] 白鳳丸KH-22-4次研究航海報告2023
- Author(s)
  小畑元、乙坂重嘉、漢那直也、豊島栄太、小川浩史、福田秀樹、近藤能子、川上有希子、田副博文、村山愛子、今井望百花、西岡純
- Organizer
  海と地球のシンポジウム2022
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Sources of dissolved organic carbon in the western North Pacific traced by radiocarbon signatures2023
- Author(s)
  Shigeyoshi Otosaka, Yui Sakai, Yunxuan Hou, Masahide Wakita, Youhei Yamashita, Jun Nishioka, Hajime Obata, Yosuke Miyairi, Yusuke Yokoyama, Hiroshi Ogawa
- Organizer
  2024 Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05205
[Presentation] 北太平洋西部東経 155 度での溶存態ガス状金属水銀の生成ポテンシャルの鉛直分布2023
- Author(s)
  武内章記・岡部宣章・丸本幸治・多田雄哉・小畑元
- Organizer
  日本地球学会第70回年会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] ベンガル湾における微量金属元素の分布とその循環2023
- Author(s)
  小畑元、Idha Yulia Ikhsani、黄国宏、金泰辰、眞塩麻彩実、則末和宏
- Organizer
  日本地球学会第70回年会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Origin and transport of dissolved organic matter in the northwestern margin of the North Pacific inferred from radiocarbon signatures2023
- Author(s)
  Otosaka, S., Y. Hou, M. Wakita, Y. Yamashita, J. Nishioka, H. Obata, Y. Miyairi, Y. Yokoyama, H. Ogawa
- Organizer
  i-CoAST 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05205
[Presentation] 東部インド洋における微量金属元素の供給過程2023
- Author(s)
  小畑元・Idha Yulia Ikhsani・Kuo Hong Wong・小川浩史
- Organizer
  日本海洋学会2023年度秋季大会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] 東部インド洋における海水中Te化学種の分布と海洋学的特徴との関連について2023
- Author(s)
  深澤徹・小畑元・則末和宏
- Organizer
  日本地球学会第70回年会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Distributions and biogeochemical cycles of dissolved Mn, Fe, Cu, Zn and Pb in the eastern South Pacific2023
- Author(s)
  Toyoshima, E., H. Obata, N. Kanna, H. Ogawa
- Organizer
  17th International Symposium on Water-Rock Interaction and the 14th International Symposium on Applied Isotope Geochemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] 北太平洋東経 155°線における海水中形態別水銀濃度の分布と人為由来水銀による汚染度評価2023
- Author(s)
  丸本幸治・多田雄哉・武内章記・小畑元
- Organizer
  日本地球学会第70回年会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] 西部北太平洋における懸濁粒子態微量元素の南北縦断面分布2023
- Author(s)
  清水幸大・深澤徹・小畑元・南秀樹・中口譲・則末和宏
- Organizer
  日本地球学会第70回年会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] 北太平洋中層水のケイ素を含めた化学的特性の形成過程:仮説の提案2022
- Author(s)
  西岡純、小畑元、山下洋平、三角和弘、南秀樹、則末和宏、鈴木光次、近藤能子、中村知裕、三寺史夫、津旨大輔、坪野考樹
- Organizer
  2022日本海洋学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H05056
[Presentation] 東部インド洋における鉄と硝酸塩の鉛直フラックス2022
- Author(s)
  Ikhsani, I. Y, K. H. Wong, 小川浩史, 小畑元
- Organizer
  2022年度日本地球化学会第68回年会
- Data Source
  KAKENHI-PLANNED-22H05205
[Presentation] 全球海洋における溶存鉄分布の推定2022
- Author(s)
  土居知将、長船哲史、増田周平、纐纈慎也、小畑元、三角和弘、西岡純、Eric P. Achterberg、Andrew Bowie
- Organizer
  2022年度日本海洋学会秋季大会
- Data Source
  KAKENHI-PLANNED-22H05205
[Presentation] 北太平洋中層水のケイ素を含めた化学的特性の形成過程：仮説の提案2022
- Author(s)
  西岡純, 小畑元, 山下洋平, 三角和弘, 南秀樹, 則末和宏, 鈴木光次, 近藤能子, 中村知裕, 三寺史夫, 津旨大輔, 坪野考樹
- Organizer
  2022年度日本海洋学会秋季大会
- Data Source
  KAKENHI-PLANNED-22H05205
[Presentation] 東部インド洋における鉄と硝酸塩の鉛直フラックス2022
- Author(s)
  Ikhsani, I. Y、K. H. Wong、小川浩史、小畑元
- Organizer
  2022年度日本地球化学会第68回年会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] Japan 2017 GP02 overview2022
- Author(s)
  Obata, H., J. Nishioaka, T. Kim, Y. Kondo and K. H. Wong
- Organizer
  GEOTRACES GP15 Pacific Meridional Transect Data Synthesis Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H05056
[Presentation] 外洋海水中超微量Te化学種別定量分析法の確立2022
- Author(s)
  深澤徹、小畑元、臼井聡、松岡史郎、則末和宏
- Organizer
  第35回日本分析化学会関東支部新潟地区部会研究発表会
- Data Source
  KAKENHI-PROJECT-23K24982
[Presentation] 北西部北太平洋における溶存有機態放射性炭素の分布と溶存有機物の動態2022
- Author(s)
  乙坂重嘉, 脇田昌英, 山下洋平, 西岡純, 小畑元, 宮入陽介, 横山祐典, 小川浩史
- Organizer
  日本惑星地球連合大会2022
- Data Source
  KAKENHI-PLANNED-22H05205
[Presentation] 北太平洋亜寒帯における亜鉛とケイ酸塩の挙動2021
- Author(s)
  黄国宏、小畑元、金泰辰、西岡純、眞塩麻彩実、長谷川浩
- Organizer
  2021日本海洋学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H05056
[Presentation] 北太平洋亜寒帯域におけるエアロゾル・海水中の鉄安定同位体比に基づく海洋表層の鉄の起源推定2021
- Author(s)
  栗栖美菜子、坂田昂平、小畑元、西岡純、Tim M. Conway、鈴木勝彦、柏原輝彦、高橋嘉夫
- Organizer
  2021日本海洋学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H05056
[Presentation] 東部インド洋における鉄と硝酸塩の鉛直フラックス2021
- Author(s)
  Ikhsani, I. Y, K. H. Wong, 小川浩史, 小畑元
- Organizer
  2021年日本地球化学会第67回年会
- Data Source
  KAKENHI-PROJECT-21H05056
[Presentation] 北太平洋亜寒帯域表層の鉄の化学形態と生物利用能2021
- Author(s)
  近藤能子、山中紘輝、砂原雄大、西岡純、小畑元、武田重信
- Organizer
  2021日本海洋学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H05056
[Presentation] 北太平洋亜寒帯中層におけるマンガンと鉄の長距離輸送2021
- Author(s)
  小畑元、黄国宏、金泰辰、西岡純
- Organizer
  2021日本海洋学会秋季大会
- Data Source
  KAKENHI-PROJECT-21H05056
[Presentation] Dynamics of trace metals in seawaters across the Eastern Indian Ocean2021
- Author(s)
  Ikhsani, I. Y.,, K. H. Wong, H. Ogawa, H. Obata
- Organizer
  2021年日本地球化学会第67回年会
- Data Source
  KAKENHI-PROJECT-21H05056
[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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Obata Hajime 小畑 元

OBATA Hajime 小畑 元

Research Projects

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Mechanistic insights of microbial exudates in complexation and redox kinetics of iron and copper in aquatic environmentsPrincipal Investigator

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Study of the internal cycles of trace metals in the western North Pacific by using ship observation and modelingPrincipal Investigator

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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Principal Investigator

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Anthropogenic platinum and palladium in coastal areasPrincipal Investigator

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Development of hydrothermal-derived trace metals monitoring method in the ocean by using the in-situ auto analyzerPrincipal Investigator

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Study of bioiogeochemical cycles of Fe(II) in the ocean by using an in-situ analyzerPrincipal Investigator

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Obata Hajime 小畑元

OBATA Hajime 小畑元

[Book] 微量金属.　海洋観測ガイドライン2015