Buildup of a numerical sea ice model based on the real stateof the seasonal ice zone

• Project/Area Number: 18510003
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: Hokkaido University
• Principal Investigator: TOYOTA Takenobu Hokkaido University, 低温科学研究所, 助教 (80312411)
• Co-Investigator(Kenkyū-buntansha): KIMURA Noriaki 愛媛大学, 沿岸海洋科学研究センター, 研究員 (20374647)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,950,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥450,000); Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2006: ¥2,000,000 (Direct Cost: ¥2,000,000)
• Keywords: 海氷 / 季節海氷域 / 数値海氷モデル / 氷盤の大きさ分布 / 氷厚分布 / 衛星画像解析 / 海氷現場観測 / 海氷漂流速度分布

Research Abstract

季節海氷域の振る舞いを正しく予測するために必要となる数値海氷モデルを構築することを目的として、オホーツク海や南極海で現場観測を行い季節海氷域の基本的な特性の解析を行った。その結果、氷厚発達過程の特徴、合成開口レーダーが氷厚分布推定に有用であること、比較的小さな氷盤分布の一般的な特徴など、モデルの構築に有用な知見が得られた。また、海氷内部応力の検証を行うために海氷漂流データセットの作成も遂行した。

Research Products

• [Journal Article] Retrieval of sea ice thickness distribution in the Sea of Okhotsk from ALOS/PALSAR backscatter data Proceedings of The 24th International Symposium on Okhotsk Sea & Sea Ice (2009)
  • Author(s): Toyota, T., H. Kamimura, S. Ono, and K. Cho
  • Journal Title: Mombetsu Pages: 138-142
• [Journal Article] Observations on physical properties and biogeochemistry of sea ice in southern Sea of Okhotsk, Proceedings of The 24th International Symposium on Okhotsk Sea & Sea Ice (2009)
  • Author(s): Granskog, M., T. Toyota, H. Hattori, D. Nomura, and A. Krell
  • Journal Title: Mombetsu Pages: 183-186
• [Journal Article] Retrieval of sea ice thickness distribution in the seasonal ice zone from air-borne L-band SAR (2009)
  • Author(s): Toyota, T., et.al.
  • Journal Title: International Journal of Remote Sensing 30(in press)
  • Peer Reviewed
• [Journal Article] Measurements of air-ice drag coefficient over the ice-covered Sea of Okhotsk (2009)
  • Author(s): Fujisaki, A., H. Yamaguchi, T. Toyota, A. Futatsudera and M. Miyanaga
  • Journal Title: Journal of Oceanography 65(in press)
  • NAID: 10025554175
  • Peer Reviewed
• [Journal Article] Retrieval of sea ice thickness distribution in the Sea of Okhotsk from ALOS/PALSAR backscatter data (2009)
  • Author(s): Toyota, T., H. Kamimura, S. Ono, and K. Cho
  • Journal Title: Proceedings of The 24th International Symposium on Okhotsk Sea & Sea Ice, Mombetsu Pages: 138-142
  • NAID: 120003444295
• [Journal Article] Observations on physical properties and biogeochemistry of sea ice in southern Sea of Okhotsk (2009)
  • Author(s): Granskog, M., T.Toyota, H. Hattori, D.Nomura, and A.Krell
  • Journal Title: Proceedings of The 24th International Symposium on Okhotsk Sea & Sea Ice, Mombetsu Pages: 183-186
• [Journal Article] Properties of sea iceand overlying snow in the southern Sea of Okhotsk (2007)
  • Author(s): Toyota, T., S. Takatsuji, K. Tateyama, K. Naoki, K.I. Ohshimaa
  • Journal Title: Journal of Oceanography 63 Pages: 393-411
  • Peer Reviewed
• [Journal Article] Mechanisms controlling thetemporal variation of the sea ice edge in the Southern Ocean (2007)
  • Author(s): Kimura, N
  • Journal Title: Journal of Oceanography 63 Pages: 685-694
  • Peer Reviewed
• [Journal Article] Retrieval of icethickness distribution in the seasonal icezone from L-band SAR (2007)
  • Author(s): Toyota, T., K. Nakamura, S. Uto, K.I. Ohshima, and N. Ebuchi
  • Journal Title: Proceedings of2007 IEEE International Geoscience & Remote Sensing Symposium Pages: 4-4
• [Journal Article] PALSARによる海氷観測への期待 (2007)
  • Author(s): 長幸平, 福島繁樹, 豊田威信, 若林裕之
  • Journal Title: 写真測量とリモートセンシング学会誌 46 Pages: 11-15
  • NAID: 10024353620
• [Journal Article] Development of sea ice thickness algorithm from PALSAR data, combined with in-situ observations and other satellite data (2007)
  • Author(s): Toyota, T., K. Nakamura, T. Tamura, K. Cho, K.I. Ohshima
  • Journal Title: Proceedings of The First Joint PI symposium of ALOS Data Nodes for ALOS Science Program Pages: 4-4
• [Journal Article] Properties of sea ice and overlying snow in the southern Sea of Okhotsk. (2007)
  • Author(s): Toyota, T., et. al.
  • Journal Title: Journal of Oceanography 63・3 Pages: 393-411
  • NAID: 10019934357
  • Peer Reviewed
• [Journal Article] Mechanisms controlling the temporal variation of the sea ice edge in the Southern Ocean. (2007)
  • Author(s): Kimura, N
  • Journal Title: Journal of Oceanography 63・4 Pages: 685-694
  • NAID: 10019559524
  • Peer Reviewed
• [Journal Article] Retrieval of ice thickness distribution in the seasonal ice zone from L-band SAR (2007)
  • Author(s): Toyota, T., et. al.
  • Journal Title: Proceedings of 2007 IEEE International Geoscience & Remote Sensing Symposium (CD-ROM) Pages: 4-4
• [Journal Article] PALSARによる海氷観測への期待 (2007)
  • Author(s): 長幸平, 福島繁樹, 豊田威信, 若林裕之
  • Journal Title: 写真測量とリモートセンシング学会誌 46-3 Pages: 11-15
  • NAID: 10024353620
• [Journal Article] Development of sea ice thickness algorithm from PALSAR data, combined with in-situ observations and other satellite data (2007)
  • Author(s): Toyota, T., et. al.
  • Journal Title: Proceedings of The First Joint PI symposium of ALOS Data Nodes for ALOS Science Program (CD-ROM) Pages: 4-4
• [Journal Article] Properties of sea ice and overlying snow in the southern Sea of Okhotsk. (2007)
  • Author(s): Toyota, T., et al.
  • Journal Title: Journal of Oceanography 63・3 Pages: 393-411
  • NAID: 10019934357
• [Journal Article] Mechanisms controlling the temporal variation of the sea ice edge in the Southern Ocean. (2007)
  • Author(s): Kimura, N.
  • Journal Title: Journal of Oceanography 63(In press)
  • NAID: 10019559524
• [Journal Article] Ship-borne electromagneticinduction sounding of sea ice thickness in the south Okhotsk Sea (2006)
  • Author(s): Uto, S., T. Toyota, H. Shimoda, K. Tateyama, K. Shirasawa
  • Journal Title: Annals of Glaciology 44 Pages: 253-260
  • Peer Reviewed
• [Journal Article] Standardization of electromagnetic-induction measurements of sea-ice thickness in polar and sub-polar seas (2006)
  • Author(s): Tateyama, K., K. Shirasawa, S. Uto, T.Kawamura, T. Toyota, and H. Enomoto
  • Journal Title: Annals of Glaciology 44 Pages: 240-246
  • Peer Reviewed
• [Journal Article] Ship-borne electromagnetic induction sounding of sea ice thickness in the south Okhotsk Sea. (2006)
  • Author(s): Uto, S., et al.
  • Journal Title: Annals of Glaciology 44 Pages: 253-260
• [Journal Article] Standardization of electromagnetic-induction measurements of sea-ice thickness in polar and sub-polar seas. (2006)
  • Author(s): Tateyama, K., et al.
  • Journal Title: Annals of Glaciology 44 Pages: 240-246
• [Journal Article] Retrieval of sea icethickness distribution in the seasonal ice zonefrom air-borne L-band SAR
  • Author(s): Toyota, T., K. Nakamura, S. Uto, K. I. Ohshima, and N. Ebuchi
  • Journal Title: International Journal of Remote Sensing 30(in press)
  • Peer Reviewed
• [Journal Article] Measurements of air-ice drag coefficient over the ice-covered Seaof Okhotsk
  • Author(s): Fujisaki, A., H. Yamaguchi, T. Toyota, A. Futatsudera and M. Miyanaga
  • Journal Title: Journal of Oceanography 65(in press)
  • Peer Reviewed
• [Presentation] 南極氷縁域における比較的小さな氷盤の大きさ分布の特徴 (2009)
  • Author(s): 豊田威信、Christian Haas、田村岳史
  • Organizer: 日本海洋学会春季大会
  • Place of Presentation: 東京大学
  • Year and Date: 2009-04-07
• [Presentation] Retrieval of sea ice thicknessdistribution in the Sea of Okhotsk fromALOS/PALSAR backscatter data (2009)
  • Author(s): Toyota, T., Kamimura,H., Ono,S., and Cho, K
  • Organizer: オホーツク海及び海氷国際シンポジウム
  • Place of Presentation: 紋別市文化会館(紋別)
  • Year and Date: 2009-02-18
• [Presentation] Observations onphysical properties and biogeochemistry ofsea ice in southern Sea of Okhotsk (2009)
  • Author(s): Granskog, M., Toyota, T., Hattori, H., Nomura,D., and Krell, A
  • Organizer: オホーツク海及び海氷国際シンポジウム
  • Place of Presentation: 紋別市文化会館(紋別)
  • Year and Date: 2009-02-18
• [Presentation] Retrieval of sea ice thickness distribution in the Sea of Okhotsk from ALOS/PALSAR backscatter data (2009)
  • Author(s): Toyota, T., Kamimura, H., Ono, S., and Cho, K.
  • Organizer: オホーツク海及び海氷国際シンポジウム
  • Place of Presentation: 紋別市文化会館(紋別)
  • Year and Date: 2009-02-18
• [Presentation] 晩冬季のウェッデル海北西部海氷上の積雪の特性について (2008)
  • Author(s): 豊田威信、Haas, C.、Nicolaus, M.、Li, Z.、青木茂
  • Organizer: 極域気水圏シンポジウム
  • Place of Presentation: 国立極地研究所(東京)
  • Year and Date: 2008-12-03
• [Presentation] ウェッデル海氷縁域における比較的小さな氷盤の大きさ分布について (2008)
  • Author(s): 豊田威信、Haas, C.
  • Organizer: 極域気水圏シンポジウム
  • Place of Presentation: 国立極地研究所(東京)
  • Year and Date: 2008-12-02
• [Presentation] PALSARによるオホーツク海の氷厚分布推定の検証観測 (2008)
  • Author(s): 豊田威信、上村治睦、小野修史、矢口龍太、長幸平
  • Organizer: 日本海洋学会秋季大会
  • Place of Presentation: 広島国際大学(呉市)
  • Year and Date: 2008-09-25
• [Presentation] オホーツク海南部の海氷および海氷上積雪の栄養塩濃度分布について (2008)
  • Author(s): 野村大樹、豊田威信、的場澄人、西岡純、白澤邦男
  • Organizer: 日本雪氷学会
  • Place of Presentation: 東京大学(東京)
  • Year and Date: 2008-09-24
• [Presentation] Retrieval of ice thicknessdistribution in the seasonal ice zone fromL-band SAR (2008)
  • Author(s): Toyota, T.
  • Organizer: Workshop on "Monitoring ofAntarctic sea ice during IPY"
  • Place of Presentation: Bern(Switzerland)
  • Year and Date: 2008-07-01
• [Presentation] Retrieval of ice thickness distribution in the seasonal ice zo ne from L-band SAR (2008)
  • Author(s): Toyota, T.
  • Organizer: Workshop on "Monitoring of Antarctic sea ice during IPY"
  • Place of Presentation: ベルン(スイス)
  • Year and Date: 2008-07-01
• [Presentation] Observations on physical properties and biogeochemistry of sea ice in southern Sea of Okhotsk (2008)
  • Author(s): Granskog, M., Toyota, T., Hattori, H., Nomura, D., and Krell, A.
  • Organizer: オホーツク海及び海氷国際シンポジウム
  • Place of Presentation: 紋別市文化会館(紋別)
  • Year and Date: 2008-02-18
• [Presentation] Development of sea ice thicknessalgorithm from PALSAR data, combined within-situ observations and other satellite data (2007)
  • Author(s): Toyota, T., K. Nakamura, T. Tamura, K. Cho, K.I. Ohshima
  • Organizer: The First Joint PI symposium of ALOS Data Nodes for ALOS Science Program
  • Place of Presentation: 国際会館(京都)
  • Year and Date: 2007-11-21
• [Presentation] 動画で見る海氷域内部での海氷の動き (2007)
  • Author(s): 木村詞明
  • Organizer: 極域気水圏シンポジウム
  • Place of Presentation: 国立極地研究所(東京)
  • Year and Date: 2007-11-21
• [Presentation] Development of sea ice thickness algorithm from PALSAR data, combined with in-situ observations and other satellite data (2007)
  • Author(s): Toyota, T.
  • Organizer: The First Joint PI symposium of ALOS Data Nodes for ALOS Science Program
  • Place of Presentation: 京都、国際会館
  • Year and Date: 2007-11-21
• [Presentation] 動画で見る海氷域内部での海氷の動き (2007)
  • Author(s): 木村 詞明
  • Organizer: 極域気水圏シンポジウム
  • Place of Presentation: 東京、国立極地研究所
  • Year and Date: 2007-11-21
• [Presentation] 人工衛星データを用いたオホーツク海の海氷移流軌跡の解析 (2007)
  • Author(s): 木村詞明
  • Organizer: 日本気象学会秋季大会
  • Place of Presentation: 北海道大学(札幌)
  • Year and Date: 2007-10-16
• [Presentation] 人工衛星データを用いたオホーツク海の海氷移流軌跡の解析 (2007)
  • Author(s): 木村 詞明
  • Organizer: 日本気象学会 秋季大会
  • Place of Presentation: 札幌、北海道大学
  • Year and Date: 2007-10-16
• [Presentation] Retrieval of icethickness distribution in the seasonal ice zonefrom L-band SAR (2007)
  • Author(s): Toyota, T., K. Nakamura, S. Uto, K.I. Ohshima, and N. Ebuchi
  • Organizer: IEEE InternationalGeoscience and Remote Sensing Symposium
  • Place of Presentation: Barcelona(Spain)
  • Year and Date: 2007-07-26
• [Presentation] Retrieval of ice thickness distribution in the seasonal ice zone from L-band SAR (2007)
  • Author(s): Toyota, T.
  • Organizer: IEEE International Geoscience and Remote Sensing Symposium
  • Place of Presentation: バルセロナ、国際コンベンションセンター
  • Year and Date: 2007-07-26
• [Presentation] Retrieval of sea ice thickness distribution with ALOS/PALSAR (2007)
  • Author(s): 豊田威信
  • Organizer: オホーツク海及び海氷国際シンポジウム
  • Place of Presentation: 紋別市文化会館(紋別)
  • Year and Date: 2007-02-21
• [Presentation] 異なる塩分下におけるブラインチャンネルの構造特性変化の研究 (2006)
  • Author(s): 阿部真育、豊田威信
  • Organizer: 極域気水圏・生物圏合同シンポジウム
  • Place of Presentation: 国立極地研究所(東京)
  • Year and Date: 2006-11-20
• [Remarks] 2008年2月22日および27日付の北海道新聞にオホーツク海での海氷観測研究の活動内容が掲載された