文部科学省科学研究費補助金「新学術領域研究（研究領域提案型）」　領域番号4702（平成27～31年度）

海洋混合学の創設：物質循環・気候・生態系の維持と長周期変動の解明

三寺　史夫

数値シミュレーションによる北太平洋栄養物質循環の三次元構造と長期変動の解明

  • 出版物

・ 査読有論文

  1. Katsura, S., H. Ueno, H. Mitsudera, S. Kouketsu, Spatial Distribution and Seasonality of Halocline Structures in the Subarctic North Pacific. Journal of Physical Oceanography, 50, 95-109. doi: https://doi.org/10.1175/JPO-D-19-0133.1 (2020, January)

  2. Nakanowatari, T., and H. Mitsudera, Long-term trend and interannual to decadal variability in the Sea of Okhotsk. inChanging Asia-Pacific Marginal Seas, Chen-Tung Auther Chang, Xinyu Guo eds., Springer, (2020) in press.

  3. Ueno, H., M. Oda, K. Yasui, R. Dobashi, H. Mitsudera (2022): Global Distribution and Interannual Variation in the Winter Halocline, Journal of Physical Oceanography, 52, 665-676. DOI: 10.1175/JPO-D-21-0056.1

  4. Shu, H-W, H. Mitsudera, K. Yamazaki, T. Nakamura, T. Kawasaki, T. Nakanowatari, H. Nishikawa, H. Sasaki (2021): Tidally-modified western boundary current drives interbasin exchange. Scientific Reports, 11, https://doi.org/10.1038/s41598-021-91412-y

  5. Nishikawa H., H. Mitsudera, T. Okunishi, S. Ito, T. Wagawa, D. Hasegawa, T. Miyama, H. Kaneko and Ren-Chieh Lien (2021): Surface water pathways in the subtropical-subarctic intergyre frontal zone of the western North Pacific. Progress in Oceanography, 199, 102691, https://doi.org/10.1016/j.pocean.2021.102691 (20211200)

  6. Nakanowatari, T., T. Nakamura, H. Mitsudera, J. Nishioka, H. Kuroda, K. Uchimoto (2021): Seasonal, interannual, and decadal-scale variability of the phosphate in the Oyashio region: Roles of wind-driven ocean current and tidally-induced vertical mixing in the Sea of Okhotsk. Progress in Oceanography, 197, 102615, https://doi.org/10.1016/j.pocean.2021.102615.

  7. Nishioka, J., T. Hirawake, D. Nomura, Y. Yamashita, K. Ono, A. Murayama, A. Shcherbinin, Y.N. Volkov, H. Mitsudera, N. Ebuchi, M. Wakatsuchi, I. Yasuda (2021): Iron and nutrient dynamics along the East Kamchatka Current, western Bering Sea Basin and Gulf of Anadyr, Progress in Oceanography, 198, 102662, https://doi.org/10.1016/j.pocean.2021.102662

  8. Yasunaka, S., H. Mitsudera, F. Whitney, S. Nakaoka (2021): Nutrients and dissolved inorganic carbon variability in the North Pacific, Journal of Oceanography, 77, 3-16 https://doi.org/10.1007/s10872-020-00561-7.

  9. Kawaguchi, Y., Nishioka, J., Nishino,S., Fujio, S., Lee, K., Fujiwara, A., D. Yanagimoto, H. Mitsudera, and I Yasuda (2020): Cold water upwelling near the Anadyr Strait: Observations and simulations. Journal of Geophysical Research: Oceans, 125, e2020JC016238.https://doi.org/10.1029/2020JC016238

 

・ 査読無論文

・ その他の出版物

 

２. 共同研究の実施状況

 

３. 国際研究集会・学会・シンポジウムの開催実施状況

 

４. 国内研究集会・学会・シンポジウムの開催実施状況

  1. シンポジウム「変化する環オホーツク陸域・海域環境と今後の展望」、2019/7/26-27、北海道大学低温科学研究所、札幌

 

５. 領域に関与したポスドク・RA等・若手研究者

  1. 西川はつみ　（PD）

  2. Shu, Hung Wei (DC2)

  3. Yuan, Nan (DC1)

 

６. 受賞・招待講演・基調講演等の状況

・招待講演

  1. Mitsudera, H., Dynamical frontogenesis in the transitional regions between the subtropical and the subpolar gyres. JpGU 2018, May 20, 2018, Makuhari Messe, Chiba.

  2. Sayaka Yasunaka Large-scale nutrient variation in the North Pacific Transitional Area　PICES-PTA Symposium, April 25, 2018, La Paz, Mexico.

  3. Mitsudera H., H. Iida, Dynamics of water exchange processes at a deep submarine canyon off the western coast of the Sakhaline which causes the origin of the cold water belt along the Soya Warm Current, JpGU 2019, 5/27.2019, Makuhari Messe, Chiba

 

7．アウトリーチ活動

  1. 三寺史夫　紋別高校出前授業　2018年10月12日　紋別市　報道：北海道新聞（2018年10月19日）、北海民友新聞（2018年10月14日）

 

８．メデイア報道状況（プレスリリース・取材等の結果、報道されたもの）

  1. 三寺史夫　深海底の緩やかな起伏が表層海流と海面水温前線を生む～亜寒帯の表層海流と強い海面水温前線をつくり出す新メカニズムを 発見～、2018年5月9日http://www.lowtem.hokudai.ac.jp/press.html　国内

 

9.　国際学会での発表

  1. Nishikawa H., H. Mitsudera, H. Yoshinari, T. Nakanowatari, T. Nakamura, K. Uchimoto, H. Hasumi，High resolution biogeochemical modelling in the North Pacific. JpGU 2018, May 23, 2018, Makuhari Messe, Chiba.

  2. Nishikawa H., H. Mitsudera, T. Okunishi, S. Ito, T. Wagawa, D. Hasegawa, T. Miyama, H. Kaneko. Subtropical seawater transport pathway of the North Pacific Transition Domain observed with drifting buoys. JpGU 2018, May 22, 2018, Makuhari Messe, Chiba.

  3. Karaki, T., H. Mitsudera, S. Kida Bottom flow formation accompanied by the baroclinic instability in the downstream region of the Soya Warm Current during summer. JpGU 2018, JpGU 2018, May 23, 2018, Makuhari Messe, Chiba.

  4. Nakanowatari, T., T. Nakamura, H. Mitsudera, J. Nishioka. Seasonal to interannual variations in surface PO4concentration in Oyashio region: Role of wind-induced coastally trapped currents. JpGU 2018, May 23, 2018, Makuhari Messe, Chiba.

  5. Mitsudera, H.　Potential impacts of the freshwater flux from the Kamchatka Peninsula on the dense shelf water formation in the Sea of Okhotsk. JpGU 2018, May 20, 2018, Makuhari Messe, Chiba. poster

  6. Mitsudera, H., Dynamics of Brazil/Malvinas confluence and its bifurcation in the Subtropical Front and the Subantarctic Front. 10thInternational Workshop on Modeling the Ocean. June 25, 2018, Santos, Brazil.

  7. Mitsudera, H., T. Miyama, H. Nishigaki, T. Nakanowatari, H. Nishikawa, T. Nakamura, T. Wagawa, Ryo Furue, Yosuke Fujii, and Shin-Ichi Ito Formation and interannual variations of baroclinic quasi-stationary jets in the transitional domain between the subtropical and subarctic gyres in the western North Pacific. PICES-2018 Annual Meeting, October 30, 2018, Yokohama, Japan.

  8. Oda, Masato, Hiromichi Ueno, Humio Mitsudera On global distribution and interannual variability of wintertime halocline The 34th International Symposium on the Okhotsk Sea & Polar Oceans 2019, Feb. 19, 2019, Monbetsu Japan.

  9. Mitsudera, H., T. Miyama, T. Shiraiwa, Y. Tachibana, K. Komatsu, H. Nishikawa, Surface water pathways and land-ocean freshwater linkages associated with the meridional overturn that ventilates the intermediate layer of the Sea of Okhotsk and North Pacific Ocean. The 35th International Symposium on the Okhotsk Sea & Polar Oceans. 2/20/2020. Mombetsu Culture Center, Monbetsu

  10. Nishikawa H., H. Mitsudera, H. Yoshinari, T. Nakanowatari, T. Nakamura, K. Uchimoto, H. Hasumi，Reproduction of Iron-rich Intermediate Water in the Subarctic North Pacific by High-resolution Biogeochemical Model, PS44A-3040, OSM 2020（San Diego, San Diego Convention Center 2020/02/20）

  11. Nishikawa H., H. Mitsudera, H. Yoshinari, T. Nakanowatari, T. Nakamura, K. Uchimoto, H. Hasumi，Reproduction of iron-rich intermediate water in the Sea of Okhotsk by high resolution biogeochemical model, IWMO 2019（China, Grand Kingtown Hotel Wuxi 2019/06/18）

  12. Nishikawa H., H. Mitsudera, T. Okunishi, S. Ito, T. Wagawa, D. Hasegawa, T. Miyama and H. Kaneko，Formation mechanism for the North Pacific Transition domain SST and SSS fronts, ACG33-04, JpGU 2019（Chiba, Makuhari Messe 2019/05/27）

  13. Nishikawa H., H. Mitsudera, H. Yoshinari, T. Nakanowatari, T. Nakamura, K. Uchimoto, H. Hasumi，Reproduction of iron-rich intermediate water in the Sea of Okhotsk by high resolution biogeochemical model, AOS12-P03, JpGU 2019（Chiba, Makuhari Messe 2019/05/27, Poster）　

  14. Nishikawa H., H. Mitsudera, H. Yoshinari, T. Nakanowatari, T. Nakamura, K. Uchimoto, H. Hasumi，High-resolution modeling of iron and phosphate transport in the subarctic North Pacific, 520, SOLAS 2019（Sapporo, Hokkaido University 2019/04/21, Poster）

  15. W. Chou, H. Mitsudera, K. Yamazaki, H. Nishikawa, Improvement and Dynamics of Water Exchange between the Sea of Okhotsk and the Pacific through tidal effects in OGCM, 4th International Joint Workshop on Computationally Intensive Modeling of the Climate System and 9th OFES International Workshop, 2019/03/01, oral, Kyushu, Japan.

  16. W. Chou, H. Mitsudera, H. Nishikawa K. Yamazaki, Impact of Tidal Vertical Mixing to Barotropic Water Exchange between the Sea of Okhotsk and Pacific through Diffusive Adjustment with Turbulent Closure Scheme: Can Vertical Diffusivity Vale represent the Tidal Impact in OGCM? JpGU, 2019/05/24, poster, Chiba, Japan.

  17. W. Shu, H. Mitsudera, K. Yamazaki, T. Kawasaki, T. Nakamura, H. Sasaki, H. Nishikawa, Reveal of Dynamics of Barotropic Exchange between the Sea of Okhotsk and North Pacific through Tidal forcing in High-Resolution Ocean General Circulation Model: the Modification of the Western Boundary Current Pathway by Tidal Rectification, Ocean Science Meeting 2020, 2020/02/21, Oral, San Diego, USA. 

  18. Yuan Nan, Xinping Chen, Xueen Chen, Jinrui Chen,Humio Mitsudera, Numerical simulation of typhoon storm surge in the LUOYUAN bay(poster), Japan Geoscience Union Meeting 2019, 2019/05, Makuhari messe, Chiba, Japan

  19. Yuan Nan, Xinping Chen, Xueen Chen, Jinrui Chen,Humio Mitsudera, Numerical simulation of typhoon storm surge in the LUOYUAN bay(poster), The 11th International Workshop on Modeling the Ocean, 2019/06, Wuxi, China

 

10．国内学会での発表

  1. 三寺史夫、東弓弦、Chou,Hung-Wei, 青木茂　ブラジル・マルビナス合流域の亜熱帯前線・亜寒帯前線への分岐の力学、2018年度日本海洋学会秋季大会、2018年9月26日、東京海洋大学、東京

  2. Chou, Hung Wei、三寺史夫、西川はつみ　Dynamics of barotropic water exchange between the Okhotsk and Pacific by tidal effects 2018年度日本海洋学会秋季大会、2018年9月26日、東京海洋大学、東京

  3. 西川はつみ，三寺史夫，奥西武，伊藤進一，和川拓，長谷川大介，美山透，金子仁，漂流ブイ観測から視る北太平洋移行領域の亜熱帯水輸送経路，2018年度日本海洋学会秋季大会、2018年9月28日、東京海洋大学、東京

  4. 西川はつみ，三寺史夫，奥西武，伊藤進一，和川拓，長谷川大介，美山透，金子仁，北太平洋移行領域の形成メカニズムと変動，大槌シンポジウム、2018年8月28日、東京大学 大気海洋研究所研究所 国際沿岸部研究センター、岩手県大槌町

  5. 安中さやか・野尻幸宏・小埜恒夫・中岡慎一郎・Frank Whitney　北太平洋表層栄養塩の季節・経年変動、北大低温研共同利用研究集会、2018年10月25日、札幌

  6. 西川はつみ，三寺史夫，奥西武，伊藤進一，和川拓，長谷川大介，美山透，金子仁，北太平洋移行領域の海面水温フロント形成，大槌シンポジウム（岩手県大槌町　東京大学 大気海洋研究所研究所 国際沿岸部研究センター　2019/07/24）