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Osaka Kenichi  尾坂 兼一

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Osaka Ken'ichi  尾坂 兼一

OSAKA Ken'ichi  尾坂 兼一

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Researcher Number 30455266
Other IDs
Affiliation (Current) 2025: 滋賀県立大学, 環境科学部, 准教授
Affiliation (based on the past Project Information) *help 2025: 滋賀県立大学, 環境科学部, 准教授
2020 – 2023: 滋賀県立大学, 環境科学部, 准教授
2019 – 2020: 滋賀県立大学, 環境科学部, 講師
2012 – 2018: 滋賀県立大学, 環境科学部, 助教
2010: 滋賀県立大学, 環境科学部, 助教
Review Section/Research Field
Principal Investigator
Basic Section 63010:Environmental dynamic analysis-related / Forest science
Except Principal Investigator
Medium-sized Section 63:Environmental analyses and evaluation and related fields / Medium-sized Section 40:Forestry and forest products science, applied aquatic science, and related fields / Forest science / Environmental dynamic analysis / Forest science / Plant nutrition/Soil science
Keywords
Principal Investigator
窒素循環 / 安定同位体比 / 窒素化合物 / 大気降下物 / 硝酸イオン / 水文過程 / 森林 / MIMS / 全層循環 / 脱窒 … More / 湖沼 / 貧酸素化 / 溶存酸素濃度 / 琵琶湖 / 湖底堆積物 / 1 / 降雨 / 溶存酸素 / 微生物 / 同位体 / 成層 / 温暖化 / 物質循環 / 集水域 / 水文プロセス / 降雨時 / 森林集水域 / 窒素流出 / 流域 / 安定同位体 / 森林生態系 / 負荷量 / 降雨時調査 / 森林流域 / 降雨調査 / 窒素 … More
Except Principal Investigator
物質循環 / 緯度間比較 / 温暖化 / 温帯 / 亜熱帯 / 熱帯 / 湖沼 / メタン / 植物プランクトン一次生産 / 深層地下水 / 正リン酸 / 琵琶湖北湖 / 動物プランクトン生産量 / リン酸ナノモル測定 / リン酸酸素安定同位体比 / 栄養塩負荷量 / 貧栄養化 / 漁業生産 / 高時間分解能 / 森林 / 水質浄化機能 / 自動連続観測装置 / 降雨流出過程 / 溶存有機態炭素濃度 / 硝酸イオン濃度 / 自動観測センサー / 高時間分解能観測 / 森林の水質浄化機能 / 地下水汚染 / 大気汚染 / モンゴル / 地下資源開発 / 水銀汚染 / 大気 / 水系 / リスク評価 / 小規模金採掘 / hazard quotient / ヒト健康リスク / 硝酸イオン / フッ素イオン / レアアース / 微量金属 / 水銀 / 溶存有機物 / 根系 / 集水域 / 生態系保全 / 森林生態 / 系根吸収 / 経根吸収 / 生物濃縮 / 食物網 / 浮遊粒子状物質 / 森林生態系 / 放射性セシウム / 福島第一原子力発電所事故 / 黒ボク土 / 物質動態 / 安定同位体 / 土壌圏現象 / 土壌 Less
  • Research Projects

    (10 results)
  • Research Products

    (63 results)
  • Co-Researchers

    (34 People)
  •  複数スケールの観測手法を用いた湿地におけるメタン放出プロセス・量の解明Principal Investigator

    • Principal Investigator
      尾坂 兼一
    • Project Period (FY)
      2025 – 2027
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      The University of Shiga Prefecture
  •  Latitudinal differences of methane emission from lakes -from tropical to temperate-

    • Principal Investigator
      伊藤 雅之
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Fund for the Promotion of Joint International Research (International Collaborative Research)
    • Review Section
      Medium-sized Section 63:Environmental analyses and evaluation and related fields
    • Research Institution
      Kyoto University
  •  Influence of changes in lake water circulation processes due to global warming on denitrification in the sediment at Lake BiwaPrincipal Investigator

    • Principal Investigator
      Osaka Ken'ichi
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      The University of Shiga Prefecture
  •  Relationship between nutrient loading and fisheries yield: Does water quality control cause fisheries yield to deteriorate?

    • Principal Investigator
      Ban Syuhei
    • Project Period (FY)
      2018 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 40:Forestry and forest products science, applied aquatic science, and related fields
    • Research Institution
      The University of Shiga Prefecture
  •  Isotopic study on interaction between nitrogen deposition, retention, export in forested watersheds.Principal Investigator

    • Principal Investigator
      Osaka Ken'ichi
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Forest science
    • Research Institution
      The University of Shiga Prefecture
  •  Re-evaluation of water purification function of the forest with high frequency measurements of water chemistry

    • Principal Investigator
      Katsuyama Masanori
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Forest science
    • Research Institution
      Kyoto Prefectural University
      Kyoto University
  •  Development of underground resources in Mongolia, especially the mercury pollution assessment caused from gold mining

    • Principal Investigator
      Nagafuchi Osamu
    • Project Period (FY)
      2014 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      Fukuoka Institute of Technology
      The University of Shiga Prefecture
  •  Study on interaction between nitrogen cycle and nitrogen input/output in forested ecosystem.Principal Investigator

    • Principal Investigator
      Osaka Ken'ichi
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Forest science
    • Research Institution
      The University of Shiga Prefecture
  •  Ecosystem observation and modeling of radioactive cesium in a forest deposited after the nuclear power plant accident

    • Principal Investigator
      Ohte Nobuhito
    • Project Period (FY)
      2012 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Forest science
    • Research Institution
      Kyoto University
      The University of Tokyo
  •  Origin and mobility of adsorbed sulfate in Andosol subsoils as revealed by stable isotope analysis

    • Principal Investigator
      KATOU Hidetaka
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Plant nutrition/Soil science
    • Research Institution
      National Institute for Agro-Environmental Sciences

All 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2010 2009 Other

All Journal Article Presentation

  • [Journal Article] Hydrological control of the chemical characteristics of suspended particulate phosphorus in the Yasu River watershed, Japan: Implications for its source and bioavailability2022

    • Author(s)
      Osaka, K., Chishiro, S., Matsumoto, Y., Iwata T., Okuda, N.
    • Journal Title

      Hydrological Processes

      Volume: 36(10) Issue: 10

    • DOI

      10.1002/hyp.14734

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Journal Article] Effect of dissolved oxygen on nitrogen and phosphorus fluxes from lake sediments and their thresholds based on incubation using a simple and stable dissolved oxygen control method2021

    • Author(s)
      Osaka Ken'ichi, Yokoyama Rei, Ishibashi Takaaki, Goto Naoshige
    • Journal Title

      Limnology and Oceanography: Methods

      Volume: 20 Issue: 1 Pages: 1-14

    • DOI

      10.1002/lom3.10466

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K12311, KAKENHI-PROJECT-20H04311
  • [Journal Article] Identification of phosphorus sources in a watershed using a phosphate oxygen isoscape approach2019

    • Author(s)
      Ishida, T., Y. Uehara, T. Iwata, A. P. Cid-Andres, S. Asano, T. Ikeya, K. Osaka, J. Ide, O. L. A. Privaldos, I. B. B. De Jesus, E. M. Peralta, E. M. C. Trino, C.-Y. Ko, A. Paytan, I. Tayasu & N. Okuda
    • Journal Title

      Environmental Science & Technology

      Volume: - Issue: 9 Pages: 4707-4716

    • DOI

      10.1021/acs.est.8b05837

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H03961, KAKENHI-PROJECT-19K06196, KAKENHI-PROJECT-16H02524
  • [Journal Article] インドネシアスマトラ島ブンクル州における極小規模金採掘・精錬地区の環境媒体中水銀濃度とそのヒト健康リスク評価2018

    • Author(s)
      永淵 修・中澤 暦・井上隆信・Rosana Elvince・川上智規・尾坂兼一・金藤浩司
    • Journal Title

      環境科学会誌

      Volume: 31(2) Pages: 43-58

    • NAID

      130006594302

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Journal Article] Non-carcinogenic risk assessment of groundwater in South Gobi, Mongolia2016

    • Author(s)
      Koyomi Nakazawa, Osamu Nagafuchi, Kanji Okano, Ken'ichi Osaka, Etsuji, Hamabata, Jamstran Tsogtbaatar, Javzan Choijil
    • Journal Title

      Journal of water and health

      Volume: -

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Journal Article] Non-carcinogenic risk assessment of groundwater in South Gobi, Mongolia2016

    • Author(s)
      Nakazawa K.、Nagafuchi O.、Okano K.、Osaka K.、Hamabata E.、Tsogtbaatar J.、Choijil J.
    • Journal Title

      Journal of Water and Health

      Volume: 14 Issue: 6 Pages: 1009-1018

    • DOI

      10.2166/wh.2016.035

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Journal Article] ヒノキ人工林集水域における表面流の発生とそれが集水域からの溶存態窒素流出に与える影響2015

    • Author(s)
      久郷達朗、尾坂兼一、川村湧也、永淵修
    • Journal Title

      陸水研究

      Volume: 2 Pages: 27-37

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Journal Article] ヒノキ人工林集水域における表面流の発生と それが集水域からの溶存態窒素流出に与える影響2015

    • Author(s)
      久郷達朗、尾坂兼一、川村湧也、永淵修
    • Journal Title

      陸水研究

      Volume: 2 Pages: 27-37

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Journal Article] Hydrochemical characteristics of the Mongolian Plateau and its pollution levels2014

    • Author(s)
      Osamu nagafuchi, Koyomi Nakazawa, Kanji Okano, Ken'ichi Osaka, Yuki Nishida, Naoko Hishida
    • Journal Title

      Inner Asia

      Volume: 16 Pages: 427-441

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Presentation] MIMSによるN2/Ar測定を利用した内湖での脱窒量推定2023

    • Author(s)
      冨岡知玄, 尾坂兼一, 木庭啓介, 中村高志
    • Organizer
      日本陸水学会第87回大会
    • Data Source
      KAKENHI-PROJECT-23KK0194
  • [Presentation] 集水域からの窒素流出に与える土地利用と水文条件の影響の関連性2023

    • Author(s)
      尾坂兼一, 田邊晴人, 吉山浩平, 中村高志, 石橋孝晃, 佐藤祐一
    • Organizer
      JpGU2023
    • Data Source
      KAKENHI-PROJECT-23KK0194
  • [Presentation] 琵琶湖における湖底からの栄養塩負荷の季節変動2022

    • Author(s)
      石橋孝晃, 大手 信人, 尾坂 兼一, 冨岡 知玄
    • Organizer
      第57回日本水環境学会年会
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] Kiryu Experimental Watershed: the temperate forest catchment under Asian monsoon climate, Frontiers in Hydrology2022

    • Author(s)
      Ohte, N., Katsuyama, M., Osaka, K.
    • Organizer
      Frontiers in Hydrology
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] 琵琶湖における内部栄養塩負荷測定: 任意の溶存酸素濃度による湖底堆積物カラム培養法の検討2022

    • Author(s)
      尾坂兼一,横山粱,石橋孝晃,後藤直成
    • Organizer
      陸水学会第86回大会
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] FIAを用いた琵琶湖底堆積物からの栄養塩溶出速度の測定2022

    • Author(s)
      尾坂兼一,横山粱,石橋孝晃,後藤直成
    • Organizer
      第58回フローインジェクション分析講演会
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] 琵琶湖水の窒素動態に及ぼす湖水循環の影響2021

    • Author(s)
      石橋孝晃, 大手信人, 尾坂兼一, 木庭啓介, 西田継, 中村高志
    • Organizer
      第56回日本水環境学会年会
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] Hydrological controls on phosphorus export from diffuse source in Lake Biwa basin, central Japan2021

    • Author(s)
      Ken’ichi Osaka, Haruto Tanabe, Syuhei Ban
    • Organizer
      JpGU meeting 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] Monitoring and particle-tracking simulation to clarify littoral-to-pelagic nutrient export during the rice planting season in Lake Biwa2021

    • Author(s)
      Wells, J., S. Ban, X. Liu, K. Osaka and N. Goto
    • Organizer
      JpGU meeting 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] Particle tracking simulations of littoral to pelagic transport in the North Basin of Lake Biwa during the rice-planting season of 20202021

    • Author(s)
      Wells, John, 伴修平, X. Liu, 尾坂兼一, 後藤直成
    • Organizer
      日本陸水学会2021年大会
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] High resolution monitoring for subsidiary nutrient loadings and phytoplankton production in north basin of Lake Biwa2021

    • Author(s)
      Ban, S., X. Liu, K. Osaka, N. Goto and J.C. Wells
    • Organizer
      JpGU meeting 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] 琵琶湖集水域における河川のリン濃度と土地利用に対する水文条件の影響2021

    • Author(s)
      尾坂兼一, 田邊晴人, 石橋孝晃, 伴修平
    • Organizer
      日本陸水学会2021年大会
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] 集水域から琵琶湖に流入する窒素化合物に対する土地利用と水文環境の影響2021

    • Author(s)
      尾坂兼一, 田邊晴人, 佐藤祐一, 中村高志
    • Organizer
      第37回日本腐植物質学会講演会
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] The influence of vertical water mixing on inter-annual nitrogen dynamics in Lake Biwa2021

    • Author(s)
      Takaaki Ishibashi, Ken’ichi Osaka, Keisuke Koba, Kei Nishida, Takashi Nakamura
    • Organizer
      JpGU meeting 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H04311
  • [Presentation] Did artificial re-oligotrophication induce a reduction of fish catch in Lake Biwa?,2020

    • Author(s)
      Ban, S., X. Liu, M. Maruo, N. Goto, K. Osaka, S. Onodera, M. Saito, T. Ishida, N. Okuda
    • Organizer
      JpGU-AGU joint meeting 2020
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H03961
  • [Presentation] 中国山地中部の森林小流域における降雨時の水文・水質応答2020

    • Author(s)
      芳賀弘和, 勝山正則, 尾坂兼一
    • Organizer
      第131回日本森林学会
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] Comparison of hydrological control in streamwater residence time across headwater catchment2019

    • Author(s)
      Katsuyama, M., Haga, H., Fukushima, K., Oda, T., Fujimoto, M., Osaka, K., Nagano, R., Egusa, T
    • Organizer
      AGU Fall Meeting
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] 山地源流域間の渓流水平均滞留時間の相違を規定する要因2019

    • Author(s)
      勝山正則, 芳賀弘和, 福島慶太郎, 小田智基, 藤本将光, 尾坂兼一, 長野龍平, 江草智弘
    • Organizer
      第130回日本森林学会
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] Comparison of hydrological control in streamwater residence times across headwater catchments2019

    • Author(s)
      Katsuyama, M., Haga, H., Fukushima, K., Oda, T., Fujimoto, M., Osaka, K. Nagano, R., Egusa, T
    • Organizer
      AGU Fall Meeting
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] 降雨時期と降雨規模が森林集水域からの懸濁態,溶存窒素流出に与える影響 :大規模降雨の増加が森林からの窒素流出に与える影響2019

    • Author(s)
      尾坂兼一, 肥田嘉文, 國松孝男, 大手信人
    • Organizer
      日本陸水学会
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] Isotopic study on seasonal nitrogen dynamics at Lake Biwa2019

    • Author(s)
      Takaaki Ishibashi, Ken’ichi Osaka, Keisuke Koba ,Takashi Nakamura, Kei Nishida
    • Organizer
      JpGU-AGU Joint Meeting
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] 高時間分解能水質観測データを用いた森林流域の渓流水硝酸イオン濃度変動の実態解明2018

    • Author(s)
      勝山正則, 尾坂兼一, 芳賀弘和
    • Organizer
      水文・水資源学会2018年度研究発表会
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] High-frequency monitoring of nitrate in ground- and streamwater reveals variant C-Q relationship in a forest catchment2018

    • Author(s)
      Katsuyama, M., Osaka, K., Haga, H
    • Organizer
      AGU Fall Meeting
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] 山地源流域間の渓流水平均滞留時間の相違を規定する要因2018

    • Author(s)
      勝山正則, 芳賀弘和, 福島慶太郎, 小田智基, 藤本将光, 尾坂兼一, 長野龍平, 江草智弘
    • Organizer
      第130回日本森林学会
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] High-frequency monitoring of nitrate in ground- and streamwater reveals variant C-Q relationship in a forest catchment2018

    • Author(s)
      Katsuyama, M., Osaka, K., Haga, H.
    • Organizer
      AGU Fall Meeting
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] 高時間分解能水質観測データを用いた森林流域の渓流水硝酸イオン濃度変動の実態解明2018

    • Author(s)
      勝山 正則, 尾坂 兼一, 芳賀 弘和
    • Organizer
      水文水資源学会2018年度大会
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] 急峻な地形が川原 2 号沢の水質形成に与える影響2018

    • Author(s)
      篠塚 賢一 ,永淵 修 ,中澤 暦 ,奥田 青州 ,手塚 賢至,手塚 田津 子,尾坂 兼一,金谷 整一
    • Organizer
      地球化学会 年会
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Presentation] 森林集水域における窒素循環が渓流水質に与える影響の解明2018

    • Author(s)
      梶谷侑生,尾坂兼一,勝山正則,中村高志,西田継
    • Organizer
      第52回日本水環境学会年会
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] Comparison of controlling factors of streamwater mean residence time across headwater catchments using water stable isotope2018

    • Author(s)
      Katsuyama, M., Haga, H., Fukushima, K., Oda, T., Fujimoto, M., Osaka, K., Nagano, R.
    • Organizer
      JpGU Meeting 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] 水の安定同位体比を用いた山地源流域における渓流水平均滞留時間の決定機構の比較2018

    • Author(s)
      勝山正則,芳賀弘和,福島慶太郎,小田智基,藤本将光,尾坂兼一,長野龍平
    • Organizer
      日本地球惑星科学連合2018年大会
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] 中国山地中部の森林小流域における降雨流出応答と窒素濃度-流量関係の特徴―鳥取大学研究林・蒜山水文試験地での地中流の発生条件に基づく検討―2018

    • Author(s)
      芳賀弘和, 勝山正則, 尾坂兼一
    • Organizer
      水文・水資源学会2018年度研究発表会
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] 森林渓流水中の硝酸イオン濃度に与える乾性沈着・湿性沈着の影響2017

    • Author(s)
      梶谷侑生, 尾坂兼一, 藤田健斗, 千代真照, 勝山正則, 中村高志, 西田継
    • Organizer
      JpGU-AGU Joint Meeting 2017
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] Long-term dynamics and future perspective of streamwater chemistry in forested headwater catchments2017

    • Author(s)
      Katsuyama M., Ohte N., Osaka K.
    • Organizer
      JpGU-AGU Joint Meeting
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] 森林集水域内部の窒素循環が渓流水質に与える影響の解明2017

    • Author(s)
      梶谷侑生,尾坂兼一,藤田健斗,勝山正則,中村高志,西田継
    • Organizer
      日本水環境学会第52回大会
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] Effects of extreme events on nitrogen export from forested ecosystems: a review2017

    • Author(s)
      Ohte N., Osaka K., Katsuyama M., Oda T., Mizugaki S.
    • Organizer
      JpGU-AGU Joint Meeting
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] 森林渓流水中の硝酸イオン濃度に与える乾性沈着・湿性沈着の影響2017

    • Author(s)
      梶谷侑生,尾坂兼一,藤田健斗,勝山正則,中村高志,西田継
    • Organizer
      日本地球惑星科学連合2017年大会
    • Data Source
      KAKENHI-PROJECT-17K15288
  • [Presentation] Effects of extreme events on nitrogen export from forested ecosystems: a review2017

    • Author(s)
      Ohte, N., Osaka, K., Katsuyama, M., Oda, T. and Mizugaki, S.
    • Organizer
      JpGU-AGU Joint Meeting 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] Long-term dynamics and future perspective of streamwater chemistry in forested headwater catchments2017

    • Author(s)
      Katsuyama, M., Ohte, N. and Osaka, K.
    • Organizer
      JpGU-AGU Joint Meeting 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03832
  • [Presentation] レジンコア法とテンションフリーライシメーター法を用いた森林土壌における無機態窒素移動量とその起源の測定2015

    • Author(s)
      藤田健斗、尾坂兼一、千代真照、永淵修、中村高志、西田継
    • Organizer
      日本地球惑星連合
    • Place of Presentation
      幕張
    • Year and Date
      2015-05-24
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Presentation] Distribution of ground water quality in South Gobi area2015

    • Author(s)
      中澤 暦、永淵 修、岡野寛治、尾坂兼一、浜端悦治、池田佳介、吉田明史  Ch. Javzan, Tsugtbaatar Jamstram
    • Organizer
      JPGU 2015
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2015-05-27
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Presentation] Distribution of ground water quality in South gobi area2015

    • Author(s)
      NAKAZAWA, Koyomi ; NAGAFUCHI, Osamu ; OKANO, Kanji ; OSAKA, Ken’ichi ; HAMABATA, Etsuji ; IKEDA, Keisuke
    • Organizer
      JPGU 2015
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2015-05-27
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Presentation] 硝酸イオンの酸素安定同位体比を用いた森林流域における窒素移動過程の解明2014

    • Author(s)
      久郷達朗、尾坂兼一、中村高志、伊井裕美、岩井美咲子、西田継、永淵修
    • Organizer
      日本地球惑星科学連合
    • Place of Presentation
      横浜市
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Presentation] 森林生態系における大気降下物由来硝酸イオンの利用率に関する研究2014

    • Author(s)
      尾坂兼一、小牧直人、川村湧也、村田哲也、久郷達朗、中村高志、西田継、永淵修
    • Organizer
      日本地球惑星科学連合
    • Place of Presentation
      横浜市
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Presentation] 施肥来歴の異なる黒ボク土圃場における硫酸イオンおよび他種陰イオン含量の鉛直分布2010

    • Author(s)
      加藤英孝・原田大二郎・宮本宏幸・前田守弘・山田大介・尾坂兼一
    • Organizer
      日本土壌肥料学会2010年北海道大会
    • Place of Presentation
      北海道大学農学部(発表確定)
    • Data Source
      KAKENHI-PROJECT-20580067
  • [Presentation] 施肥来歴の異なる黒ボク土圃場における硫酸イオンおよび他種陰イオン含量の鉛直分布2010

    • Author(s)
      加藤英孝,原田大二郎,宮本宏幸,前田守弘,山田大介,尾坂兼一
    • Organizer
      日本土壌肥料学会北海道大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2010-09-07
    • Data Source
      KAKENHI-PROJECT-20580067
  • [Presentation] Adsorbed sulfate : Indicator of anion exchange capacity or competitor against nitrate adsorption?2009

    • Author(s)
      Hidetaka Katou, Morihiro Maeda, Daisuke Yamada, Ken'ichi Osaka, Koji Uchimura, Nobiru Kozai
    • Organizer
      ASA-CSSA-SSSA 2009 International Annual meetings (発表確定)
    • Place of Presentation
      David L. Lawrence Convention Center, Pittsburgh, 米国
    • Data Source
      KAKENHI-PROJECT-20580067
  • [Presentation] 黒ボク土畑における硝酸および硫酸イオンの深層分布2009

    • Author(s)
      山田大介, 前田守弘, 加藤英孝, 尾坂兼一, 駒田充生
    • Organizer
      日本土壌肥料学会2009年京都大会(発表確定)
    • Place of Presentation
      京都大学農学部
    • Data Source
      KAKENHI-PROJECT-20580067
  • [Presentation] Adsorbed sulfate : Indicator of anion exchange capacity or competitor against nitrate adsorption?2009

    • Author(s)
      Hidetaka Katou, Morihiro Maeda, Daisuke Yamada, Ken'ichi Osaka, Koji Uchimura, Nobiru Kozai
    • Organizer
      ASA-CSSA-SSSA 2009 International Annual Meetings
    • Place of Presentation
      ピッツバーグ(米国)
    • Year and Date
      2009-11-05
    • Data Source
      KAKENHI-PROJECT-20580067
  • [Presentation] 黒ボク土畑における硝酸および硫酸イオンの深層分布2009

    • Author(s)
      山田大介,前田守弘,加藤英孝,尾坂兼一,駒田充生
    • Organizer
      日本土壌肥料学会京都大会
    • Place of Presentation
      京都大学
    • Year and Date
      2009-09-15
    • Data Source
      KAKENHI-PROJECT-20580067
  • [Presentation] Transportation and consumption processes of atmospheric nitrate in forested watershed in Shiga prefecture, central Japan

    • Author(s)
      Kugo, T., K., Osaka, T., Nakamura, Y., Ii, M., Iwai, K., Nishida, O., Nagafuchi
    • Organizer
      American Geophysical Union
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2014-12-15 – 2014-12-19
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Presentation] モンゴルの鉱山周辺域における水質汚染

    • Author(s)
      中澤 暦、永淵 修、岡野寛治、尾坂兼一
    • Organizer
      滋賀県立大学国際シンポジウム 内陸アジアにおける資源開発と社会・環境の変容
    • Place of Presentation
      滋賀県立大学
    • Year and Date
      2014-12-14 – 2014-12-15
    • Data Source
      KAKENHI-PROJECT-26257301
  • [Presentation] 硝酸イオンの酸素安定同位体比を用いた森林流域における窒素移動過程の解明

    • Author(s)
      久郷達朗,尾坂兼一,中村高志,伊井裕美,岩井美佐子,西田継,永淵修
    • Organizer
      日本地球惑星科学連合
    • Place of Presentation
      横浜
    • Year and Date
      2014-04-28 – 2014-05-02
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Presentation] Atmospheric nitrate discharge processes in rainfall events at forested watersheds: The availability of atmospheric nitrate for forested ecosystem

    • Author(s)
      Osaka, K., K. Komaki, Y., Kawamura, T., Kugo, T., Murata, T., Nakamura, K., Nishida, O., Nagafuchi
    • Organizer
      American Geophysical Union
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2014-12-15 – 2014-12-19
    • Data Source
      KAKENHI-PROJECT-25850114
  • [Presentation] 森林生態系における大気降下物由来硝酸イオンの利用率に関する研究

    • Author(s)
      尾坂兼一,小牧直人,川村湧也,村田哲也,久郷達朗,中村高志,西田継,永淵修
    • Organizer
      日本地球惑星科学連合
    • Place of Presentation
      横浜
    • Year and Date
      2014-04-28 – 2014-05-02
    • Data Source
      KAKENHI-PROJECT-25850114
  • 1.  NSHIDA Kei (70293438)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 2 results
  • 2.  後藤 直成 (40336722)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 7 results
  • 3.  奥田 昇 (30380281)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 2 results
  • 4.  KATOU Hidetaka (10354036)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 5.  MAEDA Morihiro (00355546)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 6.  Ohte Nobuhito (10233199)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  MURAKAMI Masashi (50312400)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  HOTTA Norifumi (00323478)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  SUGIYAMA Yuko (40305694)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  OHASHI Mizue (30453153)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  TANOI Keitaro (90361576)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  ODA Tomoki (70724855)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  KOBAYASHI Kazuhiko (10354044)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  NAKANISHI Tomoko (30124275)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  ISHII Nobuyoshi (50392212)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  Nagafuchi Osamu (30383483)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 8 results
  • 17.  Katsuyama Masanori (40425426)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 11 results
  • 18.  Ban Syuhei (50238234)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 19.  金藤 浩司 (40233902)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 20.  大槻 恭一 (80183763)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  横田 久里子 (60383486)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  岡野 寛治 (90074088)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 6 results
  • 23.  島村 一平 (20390718)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  芳賀 弘和 (90432161)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 7 results
  • 25.  丸尾 雅啓 (80275156)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 26.  齋藤 光代 (20512718)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 27.  小野寺 真一 (50304366)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 28.  佐藤 祐一 (30450878)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 29.  中村 高志 (60538057)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 30.  細井 祥子 (80423226)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 31.  木庭 啓介 (90311745)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 32.  伊藤 雅之 (70456820)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 33.  岩田 拓記 (10466659)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 34.  浦井 暖史 (90967176)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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