OHTA Keiichi 大田啓一

… Alternative Names

太田啓一オオタケイイチ

大田啓一

Less

Researcher Number	80022250
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2003 – 2007: The University of Shiga Prefecture, Environmental Science Graduate School, Professor, 環境科学部, 教授 2002: 名古屋大学, 地球水環境研究センター, 助教授 2001 – 2002: 名古屋大学, 地球水循環研究センター, 助教授 1999 – 2000: 名古屋大学, 大気水圏科学研究所, 助教授 1999: 名古屋大学, 大気圏科学研究所, 助教授 … More 1992 – 1996: Institute for Hydrosheric-Atmospheric Sciences, Nagoya University, Associate Pro, 大気水圏科学研究所, 助教授 1993: 名古屋大学大気水圏科学研究所, 助教授 1991 – 1992: 名古屋大学, 水圏科学研究所, 助教授 1987 – 1988: 名古屋大学, 水圏科学研究所, 助教授 Less
Review Section/Research Field	Principal Investigator Environmental dynamic analysis / Environmental dynamic analysis Except Principal Investigator Environmental dynamic analysis / 気象・海洋・陸水学 / Environmental dynamic analysis / 分析・地球化学 / Biological Sciences / 地球化学
Keywords	Principal Investigator 光化学反応 / humic substances / 溶存有機物 / 腐植物質 / organic-metal complex / pollutant scavenging / DOM degradation / aquatic reaction / photochemistry / 琵琶湖 … More / 水圏化学 / 金属有機錯体 / 汚染物質除去 / 有機物分解 / 水中反応 / 光化学 / material removal / degradation / dissolved materials / the Yellow / photochemical reactions / 観測 / 除去過程 / 溶存気体 / 溶存腐植物質 / 海洋観察 / 物質除去 / 分解 / 溶存物質 / 黄海 / irradiation experiments / organic pollutants / photochemistry in water / リグニンフェノール / 河川水 / 光化学分解 / 照射実験 / 汚染有機物 / 水中光化学 / Greenhouse gases / Gases in water / Semiconductor detector / Gas analyzer / 水中温室効果気体 / 野外試験 / 温室効果ガス / 水中溶存気体 / 半導体検出器 / 気体分析装置 … More Except Principal Investigator 微量元素 / 大気エアロゾル / 硫化ジメチル / 物質循環 / 安定同位体 / 動物プランクトン / 植物プランクトン / 有機物 / Bottom sediments / Material transport / Nitrogen stable isotope / Internal Kelvin wave / Phytoplankton production / Subsurface maximum of ammonium / Lake Biwa / Drainage from paddy fields / アンモニアの排出 / 内部波 / アンモニア / セストンのδ^<15>N / セストンδ^<13>C / 湖底堆積物 / 物質輸送 / 窒素安定同位体比 / 内部ケルビン波 / 植物プランクトン生産 / アンモニア亜表層極大 / 琵琶湖 / 代かき水 / Dryness / Isotopes / Forest fire / Elemental carbon / Pollen / Indonesia / Climate change / Peat core / バイオマーカー / 放射性炭素 / 煤 / 泥炭 / 乾燥化 / 同位体 / 森林火災 / エレメンタルカーボン / 花粉 / インドネシア / 気候変動 / 泥炭層 / ICP mass spectrometric method / Rare earth elements / Indium / Chao Praya river / river estuary / Heavy metals / Yantze river / 東アジア河川 / 河川・海水混合域 / ICP質量分析 / 希土類元素 / インジウム / チャオプラヤ川 / 河口域 / 重金属 / 長江 / snow metamorphism / seasonal change / chemical elements / dating / ice core / 結晶粒径 / 化学物質濃度 / 年代推定 / 雪の変態 / 季節変動 / 化学物質 / 年代決定 / 氷コア / trajectory analysis / sulfur compounds / anthoropogenic / nss-sulfate / CCN / DMS / marine atmosphere / 小笠原父島 / 二酸化硫黄 / メタンスルフォン酸 / ジメチルスルフォキシド / 硫黄循環過程 / 有機硫黄化合物 / 微量気体成分 / 雲凝結核(CCN) / ラドン娘核 / 非海塩サルフェート / 二酸化硫黄(SO_2) / メタンスルホン酸(MSA) / 硫化ジメチル(DMS) / 流跡線解析 / 人為起源硫黄化合物 / 非海塩硫酸塩 / 雲凝結核 / 海洋大気 / the Last Glacial Period / paleoceanography / redox condition / the Japan Sea / framboidal pyrite / sulfur isotope ratio / trace elements / 酸化還元還境 / 炭酸カルシウム / リグニン / 黄鉄鉱 / 微量元素組成 / 酸化還元環境 / 最終氷期 / 古海洋学 / 酸化還元条件 / 日本海 / 野イチゴ状黄鉄鉱 / 硫黄同位体比 / Atmospheric aerosols / Sulpheric acid / Nitrous oxide / Methanesulphonic / Dimethylsulphide / Nitrogen compound / Sulpher compound / Atmospheric minor constituent / エア-サンプラ- / エアロゾル / 一酸化二窒素 / 硫化ヂメチル / 海洋生物圏 / インパクター / スス粒子 / 一酸化炭素 / 硫黄循環 / 硫酸 / 亜酸化窒素 / メタンスルホン酸 / 窒素化合物 / 硫黄化合物 / 大気微量成分 / 伊豆小笠原海溝 / 窒素鉛直フラックス / 有機炭素 / 時系列型セジメントトラップ / 海洋 / 地球規模 / 大気化学研究計画 / IGAC / トリチウム / 汚れ層 / ラセミ化反応 / 氷河コア / 年代 / 環境復元 / 生物活動 / 湿雪 / L比 / D / アミノ酸 / 雪氷コア / 陸水生態系 / 三次元蛍光 / 元素組成 / 琵琶湖集水域 / 森林生態系 / 吸着 / Al / 硝酸態窒素 / 溶存有機物 / 大気微量気体成分 / 海洋有光層 / 地球環境 / 二酸化炭素 / 温室効果気体 / 海底堆積物 / 懸濁粒子 / △ ^<14>C / δ ^<13>C / カロチノイド / クロロフィルa / 亜熱帯循環域 / 赤道域 / 亜寒帯循環域 / 西部北太平洋 / 炭素安定同位体比 / 沈降粒子 / 生物性炭酸塩炭素フラックス / 有機炭素フラックス Less

ENVIRONMENTAL SCIENTIFIC EVALUATIION OF PHOTOCHEMICAL REACTIONS IN NATURAL WATERPrincipal Investigator
- Principal Investigator
  
  OHTA Keiichi
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  The University of Shiga Prefecture
Evaluating the effects of drainage from paddy fields on Lake Biwa ecosystem
- Principal Investigator
  
  BAN Syuhei
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  The University of Shiga Prefecture
The role of marine photochemical reactions in removal of dissolved material in the Yellow SeaPrincipal Investigator
- Principal Investigator
  
  OHTA Keiichi
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  University of Shiga Prefecture
  Nagoya University
アミノ酸のラセミ化反応を利用した雪氷コア年代測定手法の研究
- Principal Investigator
  
  NAKAWO Masayoshi
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Research Institute for Humanity and Nature
  Nagoya University
Reconstruction of climate change using tropical peat deposit in Indonesia.
- Principal Investigator
  
  NARITA Hisashi, 田中教幸
- Project Period (FY)
  2000 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  HOKKAIDO UNIVERSITY
陸水系における物質循環からみた陸域生態系の応答
- Principal Investigator
  
  TANOUE Eiichiro, YOSHIOKA Takahito
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas (B)
- Review Section
  
  Biological Sciences
- Research Institution
  Nagoya University
Study on the relationship between light intensities in water and photo-degradation of dissolved organic matter.Principal Investigator
- Principal Investigator
  
  OHTA Keiichi
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  NAGOYA UNIVERSITY
Study of material flux from East Asian rivers into the ocean
- Principal Investigator
  
  NOZAKI Yoshiyuki
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  Ocean Research Institute, University of Tokyo
Trial manufacture of an analyzer with a semiconductor detector for greenhouse gases in waterPrincipal Investigator
- Principal Investigator
  
  OHTA Keiichi
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Nagoya University
Ice core dating by the use of seasonal change of chemical elements concentration
- Principal Investigator
  
  NAKAWO Masayoshi
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Nagoya University
粒子の沈降にともなうオーシャンフラックスの変動過程の研究
- Principal Investigator
  
  半田暢彦
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Nagoya University
地球環境にかかわる海洋表層の化学過程
- Principal Investigator
  
  半田暢彦
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Co-operative Research (B)
- Research Field
  
  地球化学
- Research Institution
  Nagoya University
Aerosol and cloud formation processes induced by sulfur compounds of marine biospherical origin
- Principal Investigator
  
  TANAKA Hiroshi
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (A)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Nagoya University
Study of generation and circulation of ocean origin materials by the aircraft observation
- Principal Investigator
  
  TANAKA Hiroshi
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  気象・海洋・陸水学
- Research Institution
  Water Research Institute, Nagoya University
The change in redox condition of the Japan Sea since its birth based on trace element geochemistry of sediment cores and sulfur isotope ratio of framboidal pyrite.Principal Investigator
- Principal Investigator
  
  MASUZAWA Toshiyuki, 大田啓一
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  分析・地球化学
- Research Institution
  Institute for Hydrospheric-Atmospheric Sciences, Nagoya University
海洋における沈降粒子の動態とその物質循環における役割に関する研究
- Principal Investigator
  
  半田暢彦
- Project Period (FY)
  1988
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Nagoya University
地球規模大気化学研究計画
- Principal Investigator
  
  岩坂泰信
- Project Period (FY)
  1987
- Research Category
  
  Grant-in-Aid for Co-operative Research (B)
- Research Field
  
  気象・海洋・陸水学
- Research Institution
  Nagoya University

All 2008 2006

All Journal Article Presentation

[Journal Article] Humic substances discharged from sewage treatment plants2008
- Author(s)
  Ohta, K.
- Journal Title
  
  Verh.Internat.Verein.Limnol 30(印刷中)
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17310010
[Journal Article] Humic substances discharged from sewage treatment plants2008
- Author(s)
  Ohta, K
- Journal Title
  
  Verh. Internat. Verein. Limnol 30(in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17310010
[Journal Article] Humic substances discharged from sewage treatment plants.2008
- Author(s)
  Ohta, K
- Journal Title
  
  Verh. Internat. Verein. Limnol. 30(印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17310010
[Journal Article] In situ generation of refractory organic compounds in Lake Biwa, Japan.2006
- Author(s)
  Nohda, C., M.Maruo, S.Bann, K.Ohta
- Journal Title
  
  Proc.Second Japan-Korea Symp.on Limnology (In press)
- NAID
  130005021681
- Data Source
  KAKENHI-PROJECT-17310010
[Journal Article] In situ generation of refractory organic compounds in Lake Biwa, Japan2006
- Author(s)
  C.Nohda, S.Ban, M.Maruo, K.Ohta
- Journal Title
  
  Proceedings of the Second Japan-Korea Symposium on Limnology
  
  Pages: 18-23
- NAID
  130005021681
- Data Source
  KAKENHI-PROJECT-17310010
[Journal Article] In situ generation of refractory organic compounds in Lake Biwa, Japan.2006
- Author(s)
  Nohda, C., M.Maruo, S.Ban, K.Ohta
- Journal Title
  
  Proc. Second Japan-Korea Joint Symp. on Limnology
  
  Pages: 18-23
- NAID
  130005021681
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16310011
[Presentation] 溶存腐植物質のキャラクタリゼーション2008
- Author(s)
  大田啓一
- Organizer
  陸水学会近畿支部第18回研究会
- Place of Presentation
  京都
- Year and Date
  2008-03-01
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17310010
[Presentation] Characterization of dissolved humic substances2008
- Author(s)
  Ohta, K
- Organizer
  Meeting of Kinki Branch of Japanese Society of Limnology
- Place of Presentation
  Kyoto
- Year and Date
  2008-03-01
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17310010

1. TANAKA Hiroshi (00115594)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. TANOUE Eiichiro (50133129)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
3. YOSHIOKA Takahito (50202396)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. TERAI Hisayoshi (10023855)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. 半田暢彦 (00022559)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. HAMA Takeo (30156385)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. BAN Syuhei (50238234)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
8. SUDO Miki (50206570)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. 石渡良志 (90087106)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. MASUZAWA Toshiyuki (40023858)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. NAKAWO Masayoshi (90142695)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. YAMATO Masahiko (60212289)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. NARITA Hisashi (50250501)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
14. MARUO Masahiro (80275156)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
15. 石坂隆 (50022710)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
16. ARAO Kimio (40039425)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. NAGAO Ippei (00252297)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. KONDO Yutaka (20110752)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. IKEBE Yukimasa (50023073)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. AZUMA Kumiko (80202620)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SEKO Katsumoto (70196971)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. YOSHIDA Naohiro (60174942)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. AGETA Yutaka (80091164)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. NOZAKI Yoshiyuki (70126142)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. ISHIZUKA Toshio (80107458)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. AMAKAWA Hiroshi (60260519)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. WATANABE Yutaka (90333640)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. TAKEDA Kazuhiko (00236465)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. SAKUKAWA Hiroshi (80263630)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. KUMAGAI Michio (40234512)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. 徐垣 (90183847)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. 高田秀重 (70187970)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. 和田英太郎 (40013578)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. 大場忠道 (60013588)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. 川辺正樹 (40143549)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. 角皆静夫 (00001587)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. 小池勲夫 (30107453)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 楊宗興 (50260526)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
39. 大手信人 (10233199)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. 藤田耕史 (80303593)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
41. 幸島司郎 (60183802)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
42. 岩坂泰信 (20022709)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
43. 富永健 (50011531)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
44. 小川利紘 (70011616)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
45. 田中正之 (90004340)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
46. 太田幸雄 (00100058)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
47. 藤原祺多夫 (90090521)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
48. 中山英一郎 (50108982)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
49. 平良初男 (70044998)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
50. 中谷周 (80001626)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
51. 田中教幸 (10261348)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
52. ITO Tomoyuki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
53. KIMURA Ikuhiko

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
54. 木平英一

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

OHTA Keiichi 大田 啓一

太田 啓一 オオタ ケイイチ

大田 啓一

Research Projects

Research Products

Co-Researchers

ENVIRONMENTAL SCIENTIFIC EVALUATIION OF PHOTOCHEMICAL REACTIONS IN NATURAL WATERPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

The role of marine photochemical reactions in removal of dissolved material in the Yellow SeaPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study on the relationship between light intensities in water and photo-degradation of dissolved organic matter.Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Institution

Trial manufacture of an analyzer with a semiconductor detector for greenhouse gases in waterPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

The change in redox condition of the Japan Sea since its birth based on trace element geochemistry of sediment cores and sulfur isotope ratio of framboidal pyrite.Principal Investigator

Principal Investigator

OHTA Keiichi 大田啓一

太田啓一オオタケイイチ

大田啓一