Quantitative environmental reconstruction n the Arctic Ocean

• Project/Area Number: 20310011
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: Kobe University
• Principal Investigator: OHKUSHI Kenichi Kobe University, 大学院・人間発達環境学研究科, 准教授 (10312802)
• Co-Investigator(Kenkyū-buntansha): UCHIDA Masao 国立環境研究所, 化学環境研究領域, 研究員 (50344289)
• Research Collaborator: 板木 拓也 産業技術総合研究所 ; 木元 克典 海洋研究開発機構 ; 原田 尚美 海洋研究開発機構 ; 坂本 竜彦 海洋研究開発機構 ; 杉崎 彩子 海洋研究開発機構 ; 兵頭 政幸 神戸大学 ; 今野 進 山形大学 ; 菊地 隆 海洋研究開発機構 ; 西野 茂人 海洋研究開発機構 ; 川合 美千代 東京海洋大学 ; Khim, B-K. 釜山大学
• Project Period (FY): 2008 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000); Fiscal Year 2010: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000); Fiscal Year 2009: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2008: ¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
• Keywords: 海洋科学 / 環境変動 / 気候変動 / 極地 / 環境定量化 / 予測 / 環境定量化・予測 / 古海洋 / 北極海 / 第四紀

Research Abstract

In this study, to reconstruct quantitative paleoceanographic records in the Arctic Ocean during the last interglacial episode, we participated in the Arctic Ocean research cruise in 2009 by research vessel "Mirai", and plankton net survey and sediment coring were conducted in the Chukchi Sea.
The sediment cores were successfully collected a total of five from three sites. In Japanese ships, core PC03 succeeded to take in the most northerly site in the northern hemisphere.

Research Products

• [Journal Article] 5.1.Sediment core sampling (2010)
  • Author(s): Ohkushi, K.,, Konno, S., Yoshida, K., 他6名
  • Journal Title: R/V Mirai Cruise Report, MR09-03, Arctic Ocean, Bering Sea, North Pacific Ocean, 28th August to 25th October, 2009, Japan Agency for Marine-Earth Science and Technology Pages: 118-153
• [Journal Article] Changes of environments and human activity at the Sannai-Maruyama ruins in Japan during the mid-Holocene Hypsithermal climatic interval (2009)
  • Author(s): Kawahata H., Yamamto, H., Ohkushi,K., Yokoyama,Y., Kimoto K., Ohshima, H., Matsuzaki, H.
  • Journal Title: Quaternary Science Reviews Vol.28(9-10) Pages: 964-974
  • Peer Reviewed
• [Journal Article] Abrupt changes of intermediate-water oxygen in the northwestern Pacific during the last 27 kyr (2009)
  • Author(s): Ishizaki, Y., Ohkushi, K., Ito, T., Kawahata, H.
  • Journal Title: Geo-Marine Letters Vol.29(2) Pages: 125-131
  • Peer Reviewed
• [Journal Article] High-resolution paleoproductivity change in the central region of the Bering Sea since the last glaciation (2009)
  • Author(s): Kim, S., Khim, B-K, Shin, H.S., Uchida, M., Itaki, T., Ohkushi K.
  • Journal Title: The Sea, Journal of the Korean Society of Oceanography. Vol.14, no.3 Pages: 134-144
  • Peer Reviewed
• [Journal Article] High-resolution paleoproductivity change in the central region of the Bering Sea since the last glaciation (2009)
  • Author(s): S.Kim, B-K Kim, H.S.Shin, M.Uchida, T.Itaki, K.Ohkushi
  • Journal Title: The Sea, Journal of the Korean Society of Oceanography Vol.14, no.3 Pages: 134-144
  • Peer Reviewed
• [Journal Article] Changes of environments and human activity at the Sannai-Maruyama ruins in Japan during the mid-Holocene Hypsithermal climatic interval (2009)
  • Author(s): Kawahata H., H. Yamamoto, K. Ohkushi, Y. Yokoyama, K. Kimoto, H. Ohshima, H. Matsuzaki
  • Journal Title: Quaternary Science Reviews 28 Pages: 964-974
  • Peer Reviewed
• [Journal Article] Abrupt changes of intermediate-water oxygen in the northwestern Pacific during the last 27 kyr (2009)
  • Author(s): Ishizaki Y, Ohkushi K, Ito T, Kawahata, H.
  • Journal Title: GEO-MARINE LETTERS 29 Pages: 125-131
  • Peer Reviewed
• [Journal Article] 最終退氷期の北太平洋における貧酸素イベント-底生有孔虫群集の解析- (2008)
  • Author(s): 大串健一・芝原暁彦
  • Journal Title: 月刊地球 344 Pages: 119-125
• [Journal Article] 最終退氷期における北西太平洋中深層水循環変動と大気CO2変動 (2008)
  • Author(s): 内田昌男・阿波根直一・大串健一
  • Journal Title: 月刊地球 345 Pages: 159-170
• [Journal Article] 底生有孔虫骨格の微量元素による最終氷期以降の北西太平洋の変遷-下北半島沖MR01-K03 PC4コアの例- (2008)
  • Author(s): 木元克典・阿波根直一・大串健一・内田昌男
  • Journal Title: 月刊地球 345 Pages: 182-188
• [Journal Article] Radiocarbon-based carbon source quantification of anomalous isotopic foraminifera in last glacial sediments in the western North Pacific (2008)
  • Author(s): Uchida, M., Ohkushi, K., Kimoto, K., Inagaki, F., Ishimura, T., Tsunogai, U., TuZino, T., Shibata, Y.
  • Journal Title: Geochemistry Geophysics Geosystems Vol.9, Q04N14, DOI : 10.1029/2006GC001558
  • Peer Reviewed
• [Journal Article] 最終退氷期の北太平洋における貧酸素イベント-底生有孔虫群集の解析- (2008)
  • Author(s): 大串健一, 芝原暁彦
  • Journal Title: 月刊地球 344 Pages: 119-125
• [Presentation] Constraining the vertical movement of OMZ waters in Santa Barbara Basin for the past 15 ky (2010)
  • Author(s): Myhre, S, Hill, T.M., Kennett, J, Bebl, R.J.Ohkushi, K.
  • Organizer: AGU Fall Meeting
  • Place of Presentation: サンフランシスコ(米国)
  • Year and Date: 2010-12-16
• [Presentation] Holocene to last glacial ITF variability (2010)
  • Author(s): Obrochta S., Yokoyama Y., S.Sakai, S., Kimoto, K., Inoue, M., Ohkushi, K., Amakawa, H., Kawahata, H.
  • Organizer: 2010 PAGES Regional Workshop in Japan
  • Place of Presentation: 名古屋大学(愛知県)
  • Year and Date: 2010-06-06
• [Presentation] 2009年北極海における海氷およひ生物地理学における植物プランクトン群集およひサイス変化について (2010)
  • Author(s): 今野進, 大串健一, 西野茂人, Jordan R.W.
  • Organizer: Blue Earth'10
  • Place of Presentation: 東京海洋大学品川キャンパス(東京都)
  • Year and Date: 2010-03-02
• [Presentation] Constraining the vertical movement of OMZ waters in Santa Barbara Basin for the past 15 ky (2010)
  • Author(s): Myhre, S., Hill, T.M., Kennett, J.P., Behl, R.J., Ohkushi, K.
  • Organizer: AGU Fall Meeting
  • Place of Presentation: サンフランシスコ
• [Presentation] Holocene to last glacial ITF variability (2010)
  • Author(s): Obrochta S., Yokoyama Y., S.Sakai, S., S., Kimoto, Inoue, M., Ohkushi K., Amakawa, H., Kawahata, H.
  • Organizer: 2010 PAGES Regional Workshop in Japan.
  • Place of Presentation: 名古屋大学
• [Presentation] 2009年北極海における海氷および生物地理学における植物プランクトン群集およひサイズ変化について (2010)
  • Author(s): 今野進・大串健一・西野茂人・Jordan R.W.
  • Organizer: Blue Earth'10.
  • Place of Presentation: 東京海洋大学
• [Presentation] 最終氷期から完新世にかけての北海道南東沖の海洋環境変動 (2010)
  • Author(s): 大串健一・池原実・内田昌男・阿波根直一・木元克典・団塚直人・安沢太一・浅野悠太郎・吉井博彦・下田翔
  • Organizer: 高知大学海洋コア総合研究センター平成21年度全国共同利用研究成果発表会
  • Place of Presentation: 東京大学
• [Presentation] 苫小牧沖海底コアの解析に基づく最終氷期以降の環境変動 (2009)
  • Author(s): 大串健一・池原実・内田昌男・阿波根直一・木元克典
  • Organizer: 高知大学海洋コア総合研究センター平成20年度全国共同利用研究成果発表会
  • Place of Presentation: 東京大学