Otosaka Shigeyoshi 乙坂重嘉

… Alternative Names

Researcher Number	40370374
Other IDs
Affiliation (Current)	2020: 東京大学, 大気海洋研究所, 准教授
Affiliation (based on the past Project Information) *help	2019 – 2020: 東京大学, 大気海洋研究所, 准教授 2018: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門原子力科学研究所原子力基礎工学研究センター, 研究主幹 2016 – 2017: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門原子力基礎工学研究センター, 研究主幹 2013: 独立行政日本原子力研究開発機構, 青森研究開発センター, 研究員 2013: 独立行政法人日本原子力研究開発機構, その他部局等, 研究員 … More
Review Section/Research Field	Principal Investigator Environmental dynamic analysis / Environmental dynamic analysis / Basic Section 63010:Environmental dynamic analysis-related Except Principal Investigator Environmental dynamic analysis / Geochemistry/Astrochemistry / Cultural property science
Keywords	Principal Investigator 放射性炭素 / 物質循環 / 溶存有機物 / 炭素循環 / 加速器質量分析 / 沿岸域 / 粒子状有機物 / 河川 / 日本海 / 北西部北太平洋 … More Except Principal Investigator 化学海洋 / 日本海 / 海洋の微量元素 / 同位体 / GEOTRACES / 生物地球化学 / インド洋の化学観測 / 日本海の化学観測 / 国際共同調査 / 研究船白鳳丸 / 海洋環境化学 / 西部太平洋 / セジメントトラップ / オパール / バリウム / 人為起源鉛 / マンガン / 西部北太平洋 / セジメントトラッブ / 生物起源元素 / 陸起源成分 / Al / Mn / 有機炭素 / 鉄 / 海洋化学 / 放射性核種 / ガンマ線計測 / 物質循環 / ラジウム同位体 / 放射性セシウム / 放射性核 / 東シナ海 / 放射性炭素年代 / 暦年代較正 / 樹木年輪 / 加速器質量分析 / 実験室間比較 / 大気14C濃度の地域効果 / 太陽活動 / 考古遺物 / 放射性炭素年代測定 / 大気14C濃度の経年変化 / 14C年代測定 / 14C濃度の樹種別効果 Less

Behavior and function of dissolved organic matter in the northwestern Pacific Ocean discovered by radiocarbon agePrincipal InvestigatorOngoing
- Principal Investigator
  
  乙坂重嘉
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 63010:Environmental dynamic analysis-related
- Research Institution
  The University of Tokyo
Development of versatile analysis system for dissolved organic radiocarbon in seawaterPrincipal Investigator
- Principal Investigator
  
  Otosaka Shigeyoshi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Japan Atomic Energy Agency
Inter-comparison of 14C dates on tree rings among 14C laboratories and construction of calibration datasets for Japanese archeological remains
- Principal Investigator
  
  NAKAMURA TOSHIO
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Cultural property science
- Research Institution
  Nagoya University
Geochemical cycles in the Japan Sea from spatial distributions of multi-radionuclides
- Principal Investigator
  
  INOUE Mutsuo
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Kanazawa University
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
Trace metal transport mechanism in Japan Sea and Western North Pacific
- Principal Investigator
  
  NORIKI Shinichiro
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Hokkaido University
ACCURATE DATING OF RIVERINE PARTICULATE ORGANIC MATTERPrincipal Investigator
- Principal Investigator
  
  OTOSAKA Shigeyoshi
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Environmental dynamic analysis
- Research Institution
  Japan Atomic Energy Agency

All 2019 2018 2017 2009 2008 2007 2006

All Journal Article Presentation

[Journal Article] Deep sea circulation of particulate organic carbon in the Japan Sea2008
- Author(s)
  Shigeyoshi Otosaka
- Journal Title
  
  Journal of Oceanography 64
  
  Pages: 911-923
- NAID
  10025552473
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19310001
[Journal Article] Deep sea circulation of particuiate organic carbon in the Japan Sea.2008
- Author(s)
  Otosaka. S., T. Tanaka, O. Togawa, H. Amano, E.V. Karasev, M. Minakawa, S. Noriki
- Journal Title
  
  J. Oceanogr. 64
  
  Pages: 911-923
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18710019
[Journal Article] Iron in the Japan Sea and its implications for the physical processes in deep water2008
- Author(s)
  Takata, H., K. Kuma, Y. Isoda, S. Otosaka, T. Senjyu, M. Minakawa
- Journal Title
  
  Geophys.Res.Lett doi: 1029/ 2007GL031784
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19310001
[Journal Article] Deep sea circulation of particulate organic carbon in the Japan Sea2008
- Author(s)
  乙坂重嘉
- Journal Title
  
  Journal of Oceanography 64
  
  Pages: 911-923
- NAID
  10025552473
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18710019
[Journal Article] 日本海および青森周辺海域における粒子状有機物の循環過程2008
- Author(s)
  乙坂重嘉
- Journal Title
  
  JAEA-Conf. 2008(003)
  
  Pages: 67-70
- Data Source
  KAKENHI-PROJECT-18710019
[Journal Article] Deep sea circulation of particulate organic carbon in the Japan Sea2008
- Author(s)
  Otosaka, S., T. Tanaka, O. Togawa, H. Amano, E.V. Karasev, M. Minakawa, S. Noriki
- Journal Title
  
  J.Oceanogr 64
  
  Pages: 911-923
- NAID
  10025552473
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19310001
[Journal Article] 日本海および青森周辺海域における粒子状有機物の循環過程2007
- Author(s)
  乙坂重嘉, 田中孝幸, 外川織彦, 天野光
- Journal Title
  
  JAEA-Conf. 2008-003
  
  Pages: 67-70
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] Transport of accident-derived radionuclides near the seafloor off Fukushima: tracking with advanced analysis.2019
- Author(s)
  Shigeyoshi Otosaka
- Organizer
  International Symposium “Research Frontiers of Transboundary Pollution”
- Invited
- Data Source
  KAKENHI-PROJECT-16K00527
[Presentation] 福島沿岸の海底付近での放射性核種の動き:AMS分析でわかったこと2018
- Author(s)
  乙坂重嘉
- Organizer
  第14回むつ海洋・環境科学シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-16K00527
[Presentation] 海水中の溶存有機態放射性炭素分析システムの改良2017
- Author(s)
  全現徳、乙坂重嘉、渡邊隆広、阿瀬貴博、宮入陽介、横山祐典、小川浩史
- Organizer
  第20回AMSシンポジウム（JAMS-20）
- Data Source
  KAKENHI-PROJECT-16K00527
[Presentation] 日本海における物質輸送と循環2009
- Author(s)
  乙坂重嘉
- Organizer
  2009年度日本海洋学会秋季大会
- Place of Presentation
  京都大学吉田キャンパス北部構内(京都市)
- Year and Date
  2009-09-25
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] 日本海における^<14>Cの分布と輸送過程2009
- Author(s)
  乙坂重嘉
- Organizer
  京都大学原子炉実験所専門研究会
- Place of Presentation
  京都大学原子炉研究所(大阪府泉南郡)
- Year and Date
  2009-11-05
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] ^<14>C同位体比からみた日本海における粒子状物質の輸送過程2009
- Author(s)
  乙坂重嘉
- Organizer
  第2回JAEAタンデトロンAMS利用報告会
- Place of Presentation
  むつ科学技術館(むつ市)
- Year and Date
  2009-11-13
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] 日本海東部における沈降粒子の元素組成の径年変化2008
- Author(s)
  乙坂重嘉
- Organizer
  2008年度日本地球化学会第55回年会
- Place of Presentation
  東京大学駒場キャンパス(東京都目黒区)
- Year and Date
  2008-09-19
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] Time-scale of POC cycle in the Japan Sea.2008
- Author(s)
  Otosaka, S
- Organizer
  2008 Ocean Sciences Meeting
- Place of Presentation
  Orange County Convention Center, Orlando, Florida
- Year and Date
  2008-03-03
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] Decadal change of particulate flux in the Japan Sea/East Sea2008
- Author(s)
  S. OTOSAKA
- Organizer
  5^<th> AOGS Annual General Meeting
- Place of Presentation
  Busan Exhibition & Convention Center (釜山、韓国)
- Year and Date
  2008-06-17
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] 海洋における粒子状物質の輸送過程〜海の中でものがどう運ばれるか〜2008
- Author(s)
  乙坂重嘉
- Organizer
  第4回むつ海洋・環境科学シンポジウム
- Place of Presentation
  むつグランドホテル(青森県むつ市)
- Year and Date
  2008-11-07
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] Decadal change of particulate flux in the Japan Sea/East Sea2008
- Author(s)
  乙坂重嘉
- Organizer
  5th Asia Oceania Geostiences Society Annual Meeting
- Place of Presentation
  釜山コンベンションセンター(韓国,釜山広域市)
- Year and Date
  2008-06-17
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] 海洋における粒子状物質の輸送過程-海の中でものがどう運ばれるか-2008
- Author(s)
  乙坂重嘉
- Organizer
  第4回むつ海洋・環境科学シンポジウム〜若手研究者からのメッセージ〜
- Place of Presentation
  むつグランドホテル (青森県むつ市)
- Year and Date
  2008-11-07
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] Decadal change of particulate flux in the Japan Sea / East Sea2008
- Author(s)
  Shigeyoshi Otosaka
- Organizer
  5^<th> AOGS Annual General Meeting
- Place of Presentation
  Busan Exhibition & Convention Center (釜山、韓国)
- Year and Date
  2008-06-17
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] 東部日本海における沈降粒子の元素組成の経年変化2008
- Author(s)
  乙坂重嘉
- Organizer
  2008年度日本地球化学会第55回年会
- Place of Presentation
  東京大学教養部駒場キャンパス(東京)
- Year and Date
  2008-09-19
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] Timescale of POC cycle in the Japan Sea2008
- Author(s)
  乙坂重嘉
- Organizer
  2008 Ocean Sciences Meeting
- Place of Presentation
  オレンジカウンティコンベンションセンター(米国フロリダ州オーランド市)
- Year and Date
  2008-03-03
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] Timescale of POC cycle in the Japan Sea.2008
- Author(s)
  Otosaka. S., T. Tanaka, O. Togawa, H. Amano, M. Minakawa, B.-K. Khim, S. Noriki
- Organizer
  2008 Ocean Sciences Meeting,
- Place of Presentation
  オレンジカウンティコンベンションセンター (米国フロリダ州オーランド市)
- Year and Date
  2008-03-03
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] 海洋における粒子状物質の輸送過程-海の中でものがどう運ばれるか-2008
- Author(s)
  乙坂重嘉
- Organizer
  第4回むつ海洋・環境科学シンポジウム
- Place of Presentation
  むつグランドホテル(むつ)
- Year and Date
  2008-11-07
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] 粒子状有機物の「見かけの年齢」の変動因子2007
- Author(s)
  乙坂重嘉, 田中孝幸, 天野光, 外川織彦, 乗木新一郎, 皆川昌幸
- Organizer
  2007年度日本海洋学会秋季大会
- Place of Presentation
  琉球大学 (沖縄県中頭郡)
- Year and Date
  2007-09-27
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] 粒子状有機物の「見かけの年齢」の変動因子2007
- Author(s)
  乙坂重嘉
- Organizer
  2007年度日本海洋学会秋季大会
- Place of Presentation
  琉球大学(沖縄県中頭郡)
- Year and Date
  2007-09-27
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] 日本海および青森周辺海域における粒子状有機物の循環過程2007
- Author(s)
  乙坂重嘉
- Organizer
  第1回タンデトロンAMS利用報告会
- Place of Presentation
  むつ科学技術館(青森県むつ市)
- Year and Date
  2007-11-14
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] 粒子状有機物の「見かけの年齢」の変動因子2007
- Author(s)
  乙坂重嘉
- Organizer
  2007年度日本海洋学会秋季大会
- Place of Presentation
  琉球大学工学部
- Year and Date
  2007-09-27
- Data Source
  KAKENHI-PROJECT-19310001
[Presentation] 日本海および青森周辺海域における粒子状有機物の循環過程2007
- Author(s)
  乙坂重嘉, 田中孝幸, 外川織彦, 天野光
- Organizer
  第1回JAEAタンデトロンAMS利用報告会
- Place of Presentation
  むつ科学技術館 (青森県むつ市)
- Year and Date
  2007-11-14
- Data Source
  KAKENHI-PROJECT-18710019
[Presentation] 日本海における粒子状有機物の輸送・循環過程2006
- Author(s)
  乙坂重嘉, 田中孝幸, 外川織彦, 天野光, 乗木新一郎, 蒲正人, 皆川昌幸
- Organizer
  2006年度日本海洋学会秋季大会
- Place of Presentation
  名古屋大学 (愛知県名古屋市)
- Year and Date
  2006-09-28
- Data Source
  KAKENHI-PROJECT-18710019

1. MINAMI Hideki (60254710)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. MINAKAWA Masayuki (80371839)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
3. SOHRIN Yoshiki (50197000)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. HASUMI Hiroyasu (40311641)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. OKAMURA Kei (70324697)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. ZHANG Jing (20301822)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. NORIKI Shinichiro (80109511)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
8. 小川浩史 (50260518)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
9. GAMO Toshitaka (70143550)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. OBATA Hajime (90334309)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. NAKAGUCHI Yuzuru (30188916)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. YAMADA Masatoshi (10240037)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. SHIRAIWA Yoshihiro (40126420)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. NISHIOKA Jun (90371533)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. SHITASHIMA Kiminori (70371490)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. KATO Yoshihisa (00152752)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. MINAGAWA Masao (10250507)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. NAKAYAMA Noriko (60431772)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. NAGAI Hisao (10155905)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. MURAYAMA Masafumi (50261350)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. INOUE Mutsuo (60283090)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. YAMAMOTO Masayoshi (10121295)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. HAMAJIMA Yasunori (60172970)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. NAKAMURA TOSHIO (10135387)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. MASUDA Kimiaki (40173744)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. MINAMI Masayo (90324392)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. MATSUZAKI Hiroyuki (60313194)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. OKUNO Mitsuru (50309887)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. HORIUCHI Kazuho (00344614)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. ODA Hirotaka (30293690)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. TANAKA Takayuki (10414583)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. NISHIMOTO Hiroshi (40609757)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. HAKOZAKI Masataka (30634414)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. KOKUBU Yoko (10354870)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. MIYATA Yoshiki (70413896)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 脇田昌英 (30415989)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Otosaka Shigeyoshi 乙坂 重嘉

OTOSAKA Shigeyoshi 乙坂 重嘉

Research Projects

Research Products

Co-Researchers

Behavior and function of dissolved organic matter in the northwestern Pacific Ocean discovered by radiocarbon agePrincipal InvestigatorOngoing

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of versatile analysis system for dissolved organic radiocarbon in seawaterPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Inter-comparison of 14C dates on tree rings among 14C laboratories and construction of calibration datasets for Japanese archeological remains

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Geochemical cycles in the Japan Sea from spatial distributions of multi-radionuclides

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Geochemical ocean sections study focusing on trace elements and isotopes in the Indian Ocean and the Japan Sea (GEOTRACES Program)

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Trace metal transport mechanism in Japan Sea and Western North Pacific

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

ACCURATE DATING OF RIVERINE PARTICULATE ORGANIC MATTERPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Deep sea circulation of particulate organic carbon in the Japan Sea2008

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Deep sea circulation of particuiate organic carbon in the Japan Sea.2008

Author(s)

Journal Title

Data Source

[Journal Article] Iron in the Japan Sea and its implications for the physical processes in deep water2008

Author(s)

Journal Title

Data Source

[Journal Article] Deep sea circulation of particulate organic carbon in the Japan Sea2008

Author(s)

Journal Title

NAID

Data Source

[Journal Article] 日本海および青森周辺海域における粒子状有機物の循環過程2008

Author(s)

Journal Title

Data Source

[Journal Article] Deep sea circulation of particulate organic carbon in the Japan Sea2008

Author(s)

Journal Title

NAID

Data Source

[Journal Article] 日本海および青森周辺海域における粒子状有機物の循環過程2007

Author(s)

Journal Title

Data Source

[Presentation] Transport of accident-derived radionuclides near the seafloor off Fukushima: tracking with advanced analysis.2019

Author(s)

Otosaka Shigeyoshi 乙坂重嘉

OTOSAKA Shigeyoshi 乙坂重嘉