Mechanism for precipitation of ikaite crystals in sea ice

• Project/Area Number: 15K16135
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Environmental impact assessment
• Research Institution: Hokkaido University
• Principal Investigator: Nomura Daiki 北海道大学, 水産科学研究院, 助教 (70550739)
• Project Period (FY): 2015-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2015: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
• Keywords: 海氷 / 極域 / 海洋環境 / 生物地球化学 / 炭酸カルシウム / 炭素循環 / 極域海洋

Outline of Final Research Achievements

In order to understand the mechanism for precipitation of ikaite crystals in sea ice, tank and field experiments were examined. Precipitation of ikaite crystals was depended on the physics-chemical properties of seawater. In addition, the amount of ikaite crystals increased with increasing the elapsed time of the freezing. Based on tank and field experiments, we understood the mechanism for precipitation of ikaite crystals in sea ice.

Research Products

• [Int'l Joint Research] ノルウェー極地研究所/ノルウェー海洋研究所(ノルウェー)
• [Int'l Joint Research] ブリュッセル自由大学/リエージュ大学(ベルギー)
• [Int'l Joint Research] タスマニア大学/オーストラリア南極局(オーストラリア)
• [Int'l Joint Research] アルフレッドウェゲナー極地海洋研究所(ドイツ)
• [Int'l Joint Research] Alfred Wegener Institute(ドイツ)
• [Int'l Joint Research] Norwegian Polar Institute(ノルウェー)
• [Int'l Joint Research] British Antarctic Survey(英国)
• [Int'l Joint Research] Vrije Universiteit Brussel(ベルギー)
• [Journal Article] Macro-nutrient concentrations in Antarctic pack ice: Overall patterns and overlooked processes. (2017)
  • Author(s): Fripiat F, Meiners K.M, Vancoppenolle M, Ackley S.F, Arrigo K, Carnat G, Cozzi S, Delille B, Dieckmann G.S, Dunbar R.B, Fransson A, Kattner G, Kennedy H, Lannuzel D, Munro D.R, Nomura D, Papadimitriou S, Rintala J.M, Schoemann V, Stefels J, Steiner N, Thomas D.N, Tison J-L.
  • Journal Title: Elementa-Science of the Anthropocene Volume: 5, 13 Pages: 13-13
  • DOI: 10.1525/elementa.217
  • NAID: 120006471011
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] On the extraordinary snow on the sea ice off East Antarctica in late winter (2016)
  • 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
  • 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
  • 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
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Potential changes in feeding behavior of Antarctic fish, Pseudotrematomus bernacchii (Boulenger, 1902) on the East Ongul Island, Antarctica (2015)
  • 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
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Helicopter-borne observations with portable microwave radiometer in the Southern Ocean and the Sea of Okhotsk (2015)
  • 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
  • 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 oceans (2015)
  • 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
  • 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
  • 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 years (2015)
  • 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
  • Peer Reviewed
• [Journal Article] Methods for Biogeochemical Studies of Sea Ice: The State of the Art, Caveats, and Recommendation (2015)
  • 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
  • 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 ice (2015)
  • 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
  • Peer Reviewed / Open Access
• [Presentation] Macronutrients in Sea Ice: Overall Patterns and Related Processes (2017)
  • Author(s): Fripiat F, Meiners K.M, Vancoppenolle M, Ackley S.F, Arrigo K, Carnat G, Cozzi S, Delille B, Dieckmann G.S, Dunbar R.B, Fransson A, Kattner G, Kennedy H, Lannuzel D, Munro D.R, Nomura D, Papadimitriou S, Rintala J.M, Schoemann V, Stefels J, Steiner N, Thomas D.N, Tison J-L.
  • Organizer: Gordon Research Conference, Polar Marine Science
  • Place of Presentation: Ventura Beach Marriott in Ventura, CA, United States
  • Year and Date: 2017-03-26
  • Int'l Joint Research / Invited
• [Presentation] Influence of sea-ice crack formation on the spatial distribution of nutrients and microalgae in flooded Antarctic multi-year sea ice. (2017)
  • Author(s): Nomura D., S. Aoki, D. Simizu, T. Iida.
  • Organizer: Gordon Research Conference, Polar Marine Science
  • Place of Presentation: Ventura Beach Marriott in Ventura, CA, United States
  • Year and Date: 2017-03-26
  • Int'l Joint Research
• [Presentation] リュツォホルム湾広域における海水および海氷コア採取の必要性と今後の展開 (2017)
  • Author(s): 野村大樹, 牛尾収輝, 豊田威信, 田村岳史, 清水大輔, 平野大輔, 小野数也, 橋田元, 青木茂
  • Organizer: ROBOTICA研究集会
  • Place of Presentation: 国立極地研究所（東京都立川市）
• [Presentation] Snow contribution to the air-sea ice gas exchange process (2017)
  • Author(s): Nomura D.
  • Organizer: J-ARC Net meeting
  • Place of Presentation: 北海道大学創成研究機構（北海道札幌市）
• [Presentation] Quasi-periodic breakup of multi-year landfast ice in Lutzow-Holm Bay, Antarctica: Physical processes and some possible factors of breakup events (2016)
  • Author(s): Ushio S., T. Toyota, D. Nomura, K. Naoki
  • Organizer: The Seventh Symposium on Polar Science
  • Place of Presentation: National Institute of Polar Research, Tachikawa, Tokyo, Japan
  • Year and Date: 2016-11-29
  • Int'l Joint Research
• [Presentation] Growth and decay processes deduced from the fast-ice cores collected near the Syowa Station (2016)
  • Author(s): Toyota T., S. Ushio, T. Tamura, D. Nomura, K. Naoki, A. Fraser
  • Organizer: The Seventh Symposium on Polar Science
  • Place of Presentation: National Institute of Polar Research, Tachikawa, Tokyo, Japan
  • Year and Date: 2016-11-29
  • Int'l Joint Research
• [Presentation] Incorporation and degradation processes of biogeochemical compounds within Antarctic multi-year land-fast sea ic (2016)
  • Author(s): Nomura D., S. Aoki, D. Simizu, T. Toyota, S. Ushio, K. Naoki, T. Tamura
  • Organizer: The Seventh Symposium on Polar Science
  • Place of Presentation: National Institute of Polar Research, Tachikawa, Tokyo, Japan
  • Year and Date: 2016-11-29
  • Int'l Joint Research
• [Presentation] Interpretation of both-polar environmental variability through the investigation of sea ice variability (2016)
  • Author(s): Tamura T., K. Mizobata, E. Watanabe, M. Sampei, M. Yamamoto, D. Nomura, J. Nishioka, Y. Watanabe
  • Organizer: The Seventh Symposium on Polar Science
  • Place of Presentation: National Institute of Polar Research, Tachikawa, Tokyo, Japan
  • Year and Date: 2016-11-29
  • Int'l Joint Research
• [Presentation] CO2 fluxes from younger and thinner Arctic sea ice (2016)
  • Author(s): Nomura D., M. A. Granskog, B. Delille, A. Fransson, A. Silyakova, L. Cohen, M. Chierici, G. S. Dieckmann, S. R. Hudson, K. I. Ohshima
  • Organizer: The Seventh Symposium on Polar Science
  • Place of Presentation: National Institute of Polar Research, Tachikawa, Tokyo, Japan
  • Year and Date: 2016-11-29
  • Int'l Joint Research
• [Presentation] Observations of Arctic sea ice and ocean biogeochemistry in the new thinner ice era: the N-ICE2015 drift ice expedition (2016)
  • Author(s): Granskog M.A., P. Assmy, P. Duarte, M. Ferndez-Mndez, A. Fransson, H. Kauko, L.M. Olsen, M. Chierici, D. Nomura, C. J. Munday H. Steen
  • Organizer: Goldschmidt2016
  • Place of Presentation: Pacifico Yokohama, Yokohama-shi, Kanagawa, Japan
  • Year and Date: 2016-06-26
  • Int'l Joint Research
• [Presentation] Role of sea-ice crack formation on biological productivity and transport of biogeochemical components into sea ice (2016)
  • Author(s): Nomura D., S. Aoki, D. Simizu.
  • Organizer: Goldschmidt2016
  • Place of Presentation: Pacifico Yokohama, Yokohama-shi, Kanagawa, Japan
  • Year and Date: 2016-06-26
  • Int'l Joint Research
• [Presentation] Wintertime sea-ice chemistry and influence of glacial freshwater discharge during two contrasting years in a Spitsbergen fjord. (2016)
  • Author(s): Fransson A., M. Chierici, D. Nomura, M. A. Granskog, S. Kristiansen, T. Martma, G. Nehke
  • Organizer: Goldschmidt2016
  • Place of Presentation: Pacifico Yokohama, Yokohama-shi, Kanagawa, Japan
  • Year and Date: 2016-06-26
  • Int'l Joint Research
• [Presentation] Role of sea-ice crack formation on biological productivity and transport of biogeochemical components into sea ice (2016)
  • Author(s): D. Nomura, S. Aoki, D. Simizu
  • Organizer: Goldschmidt2016
  • Place of Presentation: Pacifico Yokohama, Kanagawa, Yokohama
  • Year and Date: 2016-06-26
  • Int'l Joint Research
• [Presentation] Sea-ice biogeochemistry in the Arctic Ocean (2016)
  • Author(s): Nomura D.
  • Organizer: Japan－Norway Arctic Science and Innovation Week 2016
  • Place of Presentation: Tokyo International Exchange Center, Minato-ku, Tokyo, Japan
  • Year and Date: 2016-06-02
  • Int'l Joint Research
• [Presentation] 海氷変動を軸とした両極の環境変動の解明 (2016)
  • Author(s): 田村岳史, 溝端浩平, 渡邉英嗣, 三瓶真, 山本正伸, 野村大樹, 西岡純, 渡邉豊
  • Organizer: 日本地球惑星連合大会
  • Place of Presentation: 幕張メッセ（千葉県千葉市）
  • Year and Date: 2016-05-22
• [Presentation] 南大洋インド洋区季節海氷域における溶存炭酸物質の空間分布と時間変化 (2016)
  • Author(s): 橋田元, 高村友海, 野村大樹, 吉川久幸
  • Organizer: 日本地球惑星連合大会
  • Place of Presentation: 幕張メッセ（千葉県千葉市）
  • Year and Date: 2016-05-22
• [Presentation] Winter-to-spring evolution of Arctic Ocean acidification state in under-ice water and effect of sea-ice dynamics during N-ICE2015 ice drift project (2016)
  • Author(s): Fransson A., M. Chierici, P. Assmy, P. Dodd, A. Meyer, M. A. Granskog, D. Nomura, A. Rusel, M. Fernndez-Mndez, A. Silyakova, H. Steen
  • Organizer: 4th International Symposium on the Ocean in a High-CO2 World
  • Place of Presentation: Hotel Grand Chancellor, Hobart, Tasmania, Australia
  • Year and Date: 2016-05-03
  • Int'l Joint Research
• [Presentation] Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC). (2016)
  • Author(s): Dethloff K., M. Rex, M. Shupe, A. Sommerfeld, ......D. Nomura, I. Peeken, J. Pelon, D. Perovich, O. Persson, C. Provost, B. M. Wendisch, H. Yang, X. Zhang.
  • Organizer: European Geosciences Union General Assembly 2016, 20 April
  • Place of Presentation: Austria Center Vienna, Vienna, Austria
  • Year and Date: 2016-04-17
  • Int'l Joint Research
• [Presentation] 海氷クラック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
• [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
• [Presentation] 室内実験による海氷表面でのブロモホルム生成機構の解明 (2016)
  • Author(s): 野村大樹, 大木淳之, P. Assmy, 今井良輔
  • Organizer: 日本海洋学会秋季大会
  • Place of Presentation: 鹿児島大学（鹿児島県鹿児島市）
• [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. Delille, 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
• [Presentation] Mid-winter surveys of sea ice biogeochemistry in polar oceans (2015)
  • Author(s): D. Nomura, B. Delille, G.S. Dieckmann, M.A. Granskog, J.-L. Tison, K.M. Meiners, A. Fransson, K.I. Ohshima, T. Tamura
  • Organizer: Goldschmidt2015
  • Place of Presentation: Prague、Czech
  • Year and Date: 2015-08-16
  • Int'l Joint Research / Invited
• [Presentation] Biogeochemistry of sea ice: Atmospher-ocean gas exchange via sea ice (2015)
  • Author(s): D. NOMURA
  • Organizer: MOSAiC Implementation Workshop
  • Place of Presentation: Wissenschaftsetage Potsdam, Germany
  • Year and Date: 2015-07-22
  • 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
• [Presentation] Mid-winter freeze experiment in the Arctic Ocean: Norwegian Young sea ICE cruise (N-ICE2015) (2015)
  • Author(s): Daiki Nomura, Mats A. Granskog, Agneta Fransson, Anna Silyakova, Stephen Hudson, Melissa Chierici, Philipp Assmy, Bruno Delille, Marie Kotovitch, Gerhard S. Dieckmann, Harald Steen
  • Organizer: Fourth International Symposium on the Arctic Research (ISAR-4)
  • Place of Presentation: Toyama International Center, Toyama, Toyama
  • Year and Date: 2015-04-27
  • 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
• [Remarks] Daiki Nomura sea ice biogeochemistry
  • URL: https://dnomura.jimdo.com/
• [Remarks] Hokusui-ocean-biogeochemistry
  • URL: https://hokusui-ocean-biogeochemistry.jimdo.com/
• [Remarks] 野村大樹研究紹介
  • URL: http://dnomura.jimdo.com/
• [Remarks] 生物地球化学研究室
  • URL: http://hokusui-ocean-biogeochemistry.jimdo.com/