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海氷融解による生態系の変化が物質循環に与える影響ー豪州砕氷船による国際南極観測ー

Research Project

Project/Area Number 15H05116
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Environmental dynamic analysis
Research InstitutionHokkaido University

Principal Investigator

飯田 高大  北海道大学, 水産学部, 助教 (90455189)

Co-Investigator(Kenkyū-buntansha) 田村 岳史  国立極地研究所, 研究教育系, 助教 (40451413)
茂木 正人  東京海洋大学, 学術研究院, 准教授 (50330684)
大木 淳之  北海道大学, 水産科学研究科(研究院), 准教授 (70450252)
野村 大樹  北海道大学, 水産科学研究科(研究院), 助教 (70550739)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Declined (Fiscal Year 2016)
Budget Amount *help
¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2016: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2015: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Keywords南極海 / 気候変動 / 海洋海氷生態系 / 生物地球科学 / 物質循環
Outline of Annual Research Achievements

本研究では、南極海の氷縁域において、海洋生態系と化学物質循環を総合的に観測するプロジェクトを立ち上げ、豪州が代表の砕氷船を用いた国際共同観測に参画する。近年、南極の季節海氷域における生態系変動が化学物質循環のパターンを変え、地球環境変化に大きな影響を及ぼす可能性が指摘されている。しかし、南極域へのアクセスは気象・海況条件が厳しいため現地観測データは乏しく、その影響を評価するにはほど遠い。そこで、地球温暖化の影響が顕著に表れつつある季節海氷域に特化して、海氷融解の物理環境変化がもたらす植物・動物プランクトン群集の変動を解析し、生態系変動により引き起こされる化学物質循環の変化を明らかにし、全球規模での環境応答を予測する。本年度(平成27年度)は、これまで我々が海氷観測のプラットフォーム及び観測サイトとして利用してきた巡視船そうやとサロマ湖において、以下の予備的調査観測を実施した。また、海洋生態系における海氷の役割を解明する目的で、東京海洋大学海鷹丸を用いて南極海季節海氷域において海洋観測を実施した。
1. 巡視船そうや航海観測: オホーツク海の海氷監視にあたる巡視船そうやに乗船し、外洋域の海氷を採取した。海氷中の化学成分、植物及び動物プランクトンの種類同定用サンプルを採取した。現在、分析・解析を実施している。
2. サロマ湖現地観測: 南極海の海氷上での海氷採取作業等を想定し、掘削機器の動作試験と取扱法の習熟、海氷サンプルの採取を行った。オーストリアから訪問した共同研究者とともに本観測を実施した。
3. 南極海での海洋観測:東京海洋大学海鷹丸で、平成28年1月に南極海の南緯60度から65度、東経110度付近において海洋観測を実施した。観測項目は各種ネットによるプランクトン・魚類の採集、海氷の採取、水温・塩分である。現在、分析・解析を実施している。

Research Progress Status

翌年度、交付申請を辞退するため、記入しない。

Strategy for Future Research Activity

翌年度、交付申請を辞退するため、記入しない。

Report

(1 results)
  • 2015 Annual Research Report
  • Research Products

    (34 results)

All 2016 2015 Other

All Int'l Joint Research (5 results) Journal Article (14 results) (of which Int'l Joint Research: 5 results,  Peer Reviewed: 14 results,  Acknowledgement Compliant: 3 results,  Open Access: 4 results) Presentation (14 results) (of which Int'l Joint Research: 6 results,  Invited: 1 results) Book (1 results)

  • [Int'l Joint Research] ACE-CRC/University of Tasmania(オーストラリア)

    • Related Report
      2015 Annual Research Report
  • [Int'l Joint Research] Alfred Wegener Institute(ドイツ)

    • Related Report
      2015 Annual Research Report
  • [Int'l Joint Research] Norwegian Polar Institute(ノルウェー)

    • Related Report
      2015 Annual Research Report
  • [Int'l Joint Research] British Antarctic Survey(英国)

    • Related Report
      2015 Annual Research Report
  • [Int'l Joint Research] Vrije Universiteit Brussel(ベルギー)

    • Related Report
      2015 Annual Research Report
  • [Journal Article] On the extraordinary snow on the sea ice off East Antarctica in late winter2016

    • Author(s)
      Toyota T, Massom R, Lecomte O, Nomura D, Heil P, Tamura T, Fraser A.D.
    • Journal Title

      Deep-Sea Research Part II

      Volume: 印刷中 Pages: 53-67

    • DOI

      10.1016/j.dsr2.2016.02.003

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Effect of elevated CO2 concentration on the microalgae in Antarctic pack ice algal communities.2016

    • Author(s)
      Coad T, McMinn A, Nomura D, Martin A.
    • Journal Title

      Deep-Sea Research Part II

      Volume: 印刷中 Pages: 160-169

    • DOI

      10.1016/j.dsr2.2016.01.005

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] DMSP and DMS cycling within Antarctic sea ice during the winter spring transition.2016

    • Author(s)
      Damm E, Nomura D, Dieckmann G.S, Martin A, Meiners K.M.
    • Journal Title

      Deep-Sea Research Part II

      Volume: 印刷中 Pages: 150-159

    • DOI

      10.1016/j.dsr2.2015.12.015

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Concentration maxima of volatile organic iodine compounds in the bottom layer water and the cold, dense water over the Chukchi Sea in the western Arctic Ocean: a possibility of production related to the degradation of organic matter2016

    • Author(s)
      Ooki, A., Kawasaki, S., Kuma, K., Nishino, S., and Kikuchi, T.
    • Journal Title

      Biogeosciences

      Volume: 13 Issue: 1 Pages: 133-145

    • DOI

      10.5194/bg-13-133-2016

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Potential changes in feeding behavior of Antarctic fish, Pseudotrematomus bernacchii (Boulenger, 1902) on the East Ongul Island, Antarctica2015

    • Author(s)
      Chavanich S, Viyakarn V, Nomura D, Watanabe K.
    • Journal Title

      Polar Science

      Volume: 9 Issue: 4 Pages: 389-392

    • DOI

      10.1016/j.polar.2015.09.001

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Helicopter-borne observations with portable microwave radiometer in the Southern Ocean and the Sea of Okhotsk2015

    • Author(s)
      Tamura T, Ohshima K.I, Lieser J.L, Toyota T, Tateyama K, Nomura D, Nakata K, Fraser A.D, Jansen P.W, Newbery K.B, Massom R.A, Ushio S.
    • Journal Title

      Annals of Glaciology

      Volume: 56 Issue: 69 Pages: 436-444

    • DOI

      10.3189/2015aog69a621

    • NAID

      120006471010

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] A global-scale map of isoprene and volatile organic iodine in surface seawater of the Arctic, Northwest Pacific, Indian, and Southern oceans2015

    • Author(s)
      Ooki A, Nomura D, Nishino S, Kikuchi T, Yokouchi Y.
    • Journal Title

      Journal of Geophysical Research-Oceans

      Volume: 120 Issue: 6 Pages: 4108-4128

    • DOI

      10.1002/2014jc010519

    • NAID

      120005672368

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of sea-ice growth and decay processes on the biogeochemical cycles in the polar oceans.2015

    • Author(s)
      Nomura D
    • Journal Title

      Umi no Kenkyu (Oceanography in Japan)

      Volume: 24 Pages: 51-61

    • NAID

      130005482168

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of glacial drainage water on the CO2 system and ocean acidification state in an Arctic tidewater-glacier fjord during two contrasting years2015

    • Author(s)
      Fransson A, Chierici M, Nomura D, Granskog M.A, Kristiansen S, Martma T, Nehrke G
    • Journal Title

      Journal of Geophysical Research-Oceans

      Volume: 120 Issue: 4 Pages: 2413-2429

    • DOI

      10.1002/2014jc010320

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Methods for Biogeochemical Studies of Sea Ice: The State of the Art, Caveats, and Recommendation2015

    • Author(s)
      Miller L.A, Fripiat F, Else B.G.T, Bowman J.S, Brown K.A, Collins R.E, Ewert M, Fransson A, Gosselin M, Lannuzel D, Meiners K.M, Michel C, Nishioka J, Nomura D, Papadimitriou S, Russell L.M, Soerensen L.L, Thomas D.N, Tison J.-L, van Leeuwe M.A, Vancoppenolle M, Wolff E.W, Zhou J
    • Journal Title

      Elementa-Science of the Anthropocene

      Volume: 3 Pages: 1-53

    • DOI

      10.12952/journal.elementa.000038

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Chromophoric dissolved organic matter (CDOM) in sea ice and under-ice waters in southern Sea of Okhotsk: Evidence for protein-like fluorophore accumulation in sea ice2015

    • Author(s)
      Granskog M.A, Nomura D, Muller S, Krell A, Toyota T, Hattori H
    • Journal Title

      Annals of Glaciology

      Volume: 56 Issue: 69 Pages: 1-8

    • DOI

      10.3189/2015aog69a002

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Interannual variability of sea-ice thickness in the pack-ice zone off Lutzow-Holm Bay, East Antarctica2015

    • Author(s)
      Sugimoto, F., T. Tamura, H. Shimoda, S. Uto, D. Simizu, K. Tateyama, S. Hoshino, T. Ozeki, Y. Fukamachi, S. Ushio, K. I. Ohshima
    • Journal Title

      Polar Science

      Volume: 10 Issue: 1 Pages: 43-51

    • DOI

      10.1016/j.polar.2015.10.003

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Variability and ice production budget in the Ross Ice Shelf Polynya based on a simplified polynya model and satellite observations2015

    • Author(s)
      Nakata, K., K. I. Ohshima, S. Nihashi, N. Kimura, and T. Tamura
    • Journal Title

      Journal of Geophysical Research

      Volume: 120 Issue: 9 Pages: 6234-6252

    • DOI

      10.1002/2015jc010894

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 海氷生産量のグローバルマッピング及び深層水形成域の特定と変動解明2015

    • Author(s)
      田村 岳史
    • Journal Title

      海の研究

      Volume: 24(3) Pages: 109-131

    • NAID

      110009970669

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Presentation] 海氷フラックス形成が植物プランクトンブルームと海氷内部への物質輸送に及ぼす影響2016

    • Author(s)
      野村大樹、青木茂、清水大輔
    • 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、東京都、文京区
    • Year and Date
      2016-03-13
    • Related Report
      2015 Annual Research Report
  • [Presentation] 海氷表面でのブロモホルム濃度極大2016

    • Author(s)
      野村大樹、大木淳之、Mats A. Granskog, Anna Silyakova, Bruno Delille, Gerhard S. Dieckmann, 今井良輔
    • 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、東京都、文京区
    • Year and Date
      2016-03-13
    • Related Report
      2015 Annual Research Report
  • [Presentation] 南極沿岸ポリニヤにおける海氷生産量の年変動2016

    • Author(s)
      田村 岳史, 大島 慶一郎, Alex D. Fraser, Guy D. Williams
    • Organizer
      2016年度日本海洋学会春季大会
    • Place of Presentation
      東京大学本郷キャンパス、東京都、文京区
    • Year and Date
      2016-03-13
    • Related Report
      2015 Annual Research Report
  • [Presentation] Formation and Variability of Antarctic Bottom Water off Cape Darnley: the Fourth Antarctic Bottom Water2016

    • Author(s)
      Ohshima, K. I., Y. Nakayama, Y. Fukamachi, Y. Matsumura, S. Nihashi, T. Tamura, Y. Kitade, D. Hirano, D. Shimizu, and S. Aoki
    • Organizer
      AGU Ocean Sciences Meeting
    • Place of Presentation
      New Orleans, USA
    • Year and Date
      2016-02-21
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Mid-winter freeze experiment in the Arctic Ocean: Norwegian young sea ICE cruise (N-ICE2015)2015

    • Author(s)
      D. Nomura, M.A. Granskog, A. Fransson, A. Silyakova, M. Chierici, L. Cohen, B. Delolle, G.S. Dieckmann
    • Organizer
      北海道大学低温科学研究所共同利用研究集会
    • Place of Presentation
      北海道大学低温科学研究所、北海道、札幌
    • Year and Date
      2015-12-10
    • Related Report
      2015 Annual Research Report
  • [Presentation] 南極沿岸ポリニヤにおける海氷生産量の変動2015

    • Author(s)
      田村 岳史, 大島 慶一郎, Alex Fraser, Guy Williams
    • Organizer
      第5回極域科学シンポジウム
    • Place of Presentation
      国立極地研究所、東京都、立川
    • Year and Date
      2015-11-16
    • Related Report
      2015 Annual Research Report
  • [Presentation] Integrating studies of Southern Ocean ecosystems: the black box beneath the sea ice needs to be opened2015

    • Author(s)
      Moteki, M. ,T. Odate
    • Organizer
      The sixth symposium on Polar Science
    • Place of Presentation
      国立極地研究所、東京都、立川
    • Year and Date
      2015-11-16
    • Related Report
      2015 Annual Research Report
  • [Presentation] Mesoscale eddies and its impacts on the spatial distribution of phytoplankton in the Indian sector of the Southern Ocean2015

    • Author(s)
      Mizobata., K., T. Iida, and M. Moteki
    • Organizer
      The sixth symposium on Polar Science
    • Place of Presentation
      国立極地研究所、東京都、立川
    • Year and Date
      2015-11-16
    • Related Report
      2015 Annual Research Report
  • [Presentation] Mid-winter surveys of sea ice biogeochemistry in polar oceans2015

    • Author(s)
      D. Nomura, B. Delile, G.S. Dieckmann, M.A. Granskog, J.-L. Tison, K. M. Meiners, A. Fransson, K.I. Ohshima, T. Tamura
    • Organizer
      Goldschmidt 2015
    • Place of Presentation
      Prague, Czech
    • Year and Date
      2015-08-16
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Biogeochemistry of sea ice: Atomosphere-Ocean gas exchange via sea ice2015

    • Author(s)
      D. Nomura
    • Organizer
      MOSAiC Implementation Workshop
    • Place of Presentation
      Wissenschaftsetage Potsdam, Germany
    • Year and Date
      2015-07-22
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The fourth Antarctic Bottom Water: Cape Darnley Bottom Water2015

    • Author(s)
      Ohshima, K. I., Y. Fukamachi, G. D. Williams, S. Nihashi, T. Tamura, Y. Kitade, D. Hirano, S. Aoki, and M. Wakatsuch
    • Organizer
      IUGG 2015
    • Place of Presentation
      Prague, Czuch
    • Year and Date
      2015-06-22
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Sea ice production variability in the Antarctic coastal polynyas2015

    • Author(s)
      Tamura, T., K. I. Ohshima, G. D. Williams, and A. D. Fraser
    • Organizer
      IUGG 2015
    • Place of Presentation
      Prague, Czuch
    • Year and Date
      2015-06-22
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 南極海氷域における物質循環研究2015

    • Author(s)
      野村大樹, 橋田元, 田村岳史, 大島慶一郎
    • Organizer
      日本地球惑星科学連合2015年大会
    • Place of Presentation
      幕張メッセ、千葉県、千葉
    • Year and Date
      2015-05-24
    • Related Report
      2015 Annual Research Report
  • [Presentation] Mid-winter freeze experiment in the Arctic Ocean: Norweigian Young sea ICE cruise (N-ICE2015)2015

    • Author(s)
      Daiki Nomura, Mats A, Granksog, Agneta Fransson, Anna Silyakova, Stephen Hudson, Melissa Chierici, Phillip Assmy, Bruno Delille, Marie Kotovitch, Gerhard S. Dieckmann, Harald Steen
    • Organizer
      Fourth International Symposium on the Arctic Research (ISAR-4)
    • Place of Presentation
      とやま国際センター、富山県、富山
    • Year and Date
      2015-04-27
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Book] アイスランド・グリーンランド・北極を知るための65章2016

    • Author(s)
      野村大樹
    • Total Pages
      441
    • Publisher
      明石書店
    • Related Report
      2015 Annual Research Report

URL: 

Published: 2015-04-16   Modified: 2022-02-07  

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