Hasegawa Daisuke 長谷川大介

Researcher Number	10624728
Affiliation (Current)	2025: 国立研究開発法人水産研究・教育機構, 水産資源研究所(塩釜), 主任研究員
Affiliation (based on the past Project Information) *help	2021 – 2024: 国立研究開発法人水産研究・教育機構, 水産資源研究所(塩釜), 主任研究員 2019 – 2020: 国立研究開発法人水産研究・教育機構, 水研機構(塩釜), 主任研究員 2017 – 2019: 国立研究開発法人水産研究・教育機構, 東北区水産研究所, 主任研究員 2016: 国立研究開発法人水産研究・教育機構, 東北区水産研究所, 研究員 2015: 国立研究開発法人水産総合研究センター, 東北区水産研究所, 研究員
Review Section/Research Field	Except Principal Investigator Transformative Research Areas, Section (IV) / Basic Section 17020:Atmospheric and hydrospheric sciences-related / Complex systems
Keywords	Except Principal Investigator 乱流観測 / 物質循環 / 乱流 / 物質交換 / 陸起源物質 / 大陸棚 / 海水交換 / 高解像度 / 断面観測 / 生物化学センサー … More / 二台準同時 / 栄養塩フラックス / 自由落下曳航式観測 / 渦、フロント / 内部波最小周波数 / 日向灘 / 近慣性内部波 / 乱流混合 / 対称不安定 / 海山 / トカラ海峡 / 栄養塩 / 自由落下曳航 / 高解像度観測 / サブメソスケール / 黒潮 / 海洋生態系 / 観測機器手法開発 / 栄養塩鉛直輸送 / 海洋物質循環 / 海洋大循環 / 物質鉛直フラックス / 海洋計測学 / 海洋物理学 / 海洋循環 / 鉛直混合 / 海洋混合学 / 高速水温計 / 海洋観測 / 海洋微細構造 / 海洋鉛直混合 / 海洋乱流 / 海洋 Less

Flow variability and material diffusion processes from estuaries to continental shelves
- Principal Investigator
  
  伊藤幸彦
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (IV)
- Research Institution
  The University of Tokyo
Resolving multi-scale mixing processes and their impacts using a twin tow-yo microstructure profiling system
- Principal Investigator
  
  NAGAI TAKEYOSHI
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17020:Atmospheric and hydrospheric sciences-related
- Research Institution
  Tokyo University of Marine Science and Technology
Development of method and system of mixing and large-scale observations
- Principal Investigator
  
  Yasuda Ichiro
- Project Period (FY)
  2015 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Complex systems
- Research Institution
  The University of Tokyo

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation

[Journal Article] Review of oceanic mesoscale processes in the North Pacific: Physical and biogeochemical impacts2023
- Author(s)
  Hiromichi Ueno, Annalisa Bracco, John A. Barth, Maxim V. Budyansky, Daisuke Hasegawa, Sachihiko Itoh, Sung Yong Kim, Carol Ladd, Xiaopei Lin, Young-Gyu Park, Sergey Prants, Tetjana Ross, Irina I. Rypina, Yoshikazu Sasai, Olga O. Trusenkova, Elena I. Ustinova, Yisen Zhong
- Journal Title
  
  Progress in Oceanography
  
  Volume: 212 Pages: 102955-102955
- DOI
  10.1016/j.pocean.2022.102955
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201, KAKENHI-PROJECT-23K25938
[Journal Article] In Situ Calibration of Underwater Glider Flight Model Using Acoustic Doppler Current Profilers2022
- Author(s)
  T. Tanaka, D. Hasegawa, T. Okunishi, I. Yasuda, T.P. Welch
- Journal Title
  
  Journal of Atmospheric and Oceanic Technology
  
  Volume: 39(9) Issue: 9 Pages: 1331-1352
- DOI
  10.1175/jtech-d-21-0074.1
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201, KAKENHI-PROJECT-21H04921, KAKENHI-PUBLICLY-22H04486
[Journal Article] Seasonal cycle of the confluence of the Tsugaru Warm, Oyashio, and Kuroshio currents east of Japan2022
- Author(s)
  S. Itoh, E. Tsutsumi, E. Masunaga, T. T. Sakamoto, K. Ishikawa, D. Yanagimoto, Y. Hoshiba, H. Kaneko, D. Hasegawa, K. Tanaka, H. Fukuda and T. Nagata
- Journal Title
  
  Journal of Geophysical Research: Oceans
  
  Volume: 127(8) Issue: 8 Pages: 2169-9275
- DOI
  10.1029/2022jc018556
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K18018, KAKENHI-PLANNED-22H05201
[Journal Article] Estimate of turbulent energy dissipation rate using free-fall and CTD-attached fast-response thermistors in weak ocean turbulence2021
- Author(s)
  Yasuda Ichiro、Fujio Shinzou、Yanagimoto Daigo、Lee KeungJong、Sasaki Yusuke、Zhai Shuo、Tanaka Mamoru、Itoh Sachihiko、Tanaka Takahiro、Hasegawa Daisuke、Goto Yasutaka、Sasano Daisuke
- Journal Title
  
  Journal of Oceanography
  
  Volume: 77 Issue: 1 Pages: 17-28
- DOI
  10.1007/s10872-020-00574-2
- NAID
  40022471961
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818, KAKENHI-PUBLICLY-20H04965, KAKENHI-WRAPUP-20H05598, KAKENHI-PROJECT-21H04921, KAKENHI-PROJECT-22KJ0600
[Journal Article] Enhanced vertical turbulent nitrate flux in the intermediate layer of the Kuroshio in the Tokara Strait2021
- Author(s)
  Tanaka T.、Hasegawa D.、Yasuda I.、Yanagimoto D.、Fujio S.、Nakamura H.、Inoue R.、Nishioka J.
- Journal Title
  
  Journal of Oceanography
  
  Volume: 77 Issue: 1 Pages: 45-53
- DOI
  10.1007/s10872-020-00581-3
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-15H05818, KAKENHI-PLANNED-15H05820, KAKENHI-WRAPUP-20H05598, KAKENHI-PUBLICLY-20H04965, KAKENHI-PROJECT-21H04921
[Journal Article] Internal hydraulic jump in the Tsugaru Strait2021
- Author(s)
  Tanaka T.、Hasegawa D.、Okunishi T.、Kaneko H.、Ono T.
- Journal Title
  
  Journal of Oceanography
  
  Volume: 77 Issue: 2 Pages: 215-228
- DOI
  10.1007/s10872-020-00588-w
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-15H05818
[Journal Article] How a small reef in the Kuroshio cultivates the ocean2021
- Author(s)
  Hasegawa D.、Matsuno T.、Tsutsumi E.、Senjyu T.、Endoh T.、Tanaka T.、Yoshie N.、Nakamura H.、Nishina A.、Kobari T.、Nagai T.、Guo X.
- Journal Title
  
  Geophysical Research Letters
  
  Volume: 印刷中 Issue: 7 Pages: 1-11
- DOI
  10.1029/2020gl092063
- NAID
  120007027029
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818, KAKENHI-PLANNED-15H05821, KAKENHI-PUBLICLY-18H04917, KAKENHI-PROJECT-18H03741, KAKENHI-PROJECT-17H01860, KAKENHI-PROJECT-19H01965
[Journal Article] The Kuroshio flowing over seamounts and associated submesoscale flows drive 100-km-wide 100-1000-fold enhancement of turbulence2021
- Author(s)
  Takeyoshi Nagai, Daisuke Hasegawa, Eisuke Tsutsumi, Hirohiko Nakamura, Ayako Nishina, Tomoharu Senjyu, Takahiro Endoh, Takeshi Matsuno, Ruyichiro Inoue, and Amit Tandon
- Journal Title
  
  Communications earth & environment
  
  Volume: ー Issue: 1 Pages: 1-11
- DOI
  10.1038/s43247-021-00230-7
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03741, KAKENHI-PROJECT-19H01965
[Journal Article] Fine-scale Observations of anticyclonic eddies in the western subarctic North Pacific2020
- Author(s)
  Dobashi R., H. Ueno, Y. Okada, T. Tanaka, J. Nishioka, T. Hirawake, A. Ooki, S. Itoh, D. Hasegawa, Y. Sasai, H. Sasaki, I. Yasuda
- Journal Title
  
  Journal of Oceanography
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-15H05818
[Journal Article] Phytoplankton growth and consumption by microzooplankton stimulated by turbulent nitrate flux suggest rapid trophic transfer in the oligotrophic Kuroshio2020
- Author(s)
  Kobari Toru、Honma Taiga、Hasegawa Daisuke、Yoshie Naoki、Tsutsumi Eisuke、Matsuno Takeshi、Nagai Takeyoshi、Kanayama Takeru、Karu Fukutaro、Suzuki Koji、Tanaka Takahiro、Guo Xinyu、Kume Gen、Nishina Ayako、Nakamura Hirohiko
- Journal Title
  
  Biogeosciences
  
  Volume: 17 Issue: 9 Pages: 2441-2452
- DOI
  10.5194/bg-17-2441-2020
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-18H04914, KAKENHI-PLANNED-15H05818, KAKENHI-PLANNED-15H05821, KAKENHI-PUBLICLY-18H04917, KAKENHI-PROJECT-19H01965, KAKENHI-PROJECT-17K00522, KAKENHI-PROJECT-17H01860
[Journal Article] How the Kuroshio Current delivers nutrients to sunlit layers on the continental shelves with aid of near-inertial waves and turbulence2019
- Author(s)
  Takeyoshi Nagai, Gloria Silvana Duran, Diego Andre Otero, Yasutaka Mori, Naoki Yoshie, Kazuki Ohgi, Daisuke Hasegawa, Ayako Nishina, Toru Kobari
- Journal Title
  
  Geophysical Research Letters
  
  Volume: na Issue: 12 Pages: 6726-6735
- DOI
  10.1029/2019gl082680
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PUBLICLY-18H04914, KAKENHI-PUBLICLY-18H04920, KAKENHI-PROJECT-19H01965, KAKENHI-ORGANIZER-15H05817, KAKENHI-PLANNED-15H05818, KAKENHI-PUBLICLY-18H04917
[Journal Article] センサによる硝酸塩鉛直乱流拡散フラックスの計測2019
- Author(s)
  長谷川大介, 田中雄大, 松野健, 千手智晴, 堤英輔, 中村啓彦, 仁科文子, 小針統, 吉江直樹, 郭新宇, 長井健容, 奥西武, 安田一郎
- Journal Title
  
  沿岸海洋研究
  
  Volume: 57 Pages: 59-64
- NAID
  130007841838
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01965
[Journal Article] Island Mass Effect2019
- Author(s)
  Hasegawa Daisuke
- Journal Title
  
  AGUーmonograph
  
  Volume: - Pages: 163-174
- DOI
  10.1002/9781119428428.ch10
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-15H05818
[Journal Article] センサによる硝酸塩鉛直乱流拡散フラックスの計測2019
- Author(s)
  長谷川大介, 田中雄大, 松野健, 千手智晴, 堤英輔, 中村啓彦, 仁科文子, 小針統, 吉江直樹, 郭新宇, 長井健容, 奥西武, 安田一郎
- Journal Title
  
  沿岸海洋研究
  
  Volume: 57（2） Pages: 59-64
- NAID
  130007841838
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-15H05818
[Journal Article] Island mass effect. in Kuroshio Current: Physical,Biogeochemical and Ecosystem Dynamics,2018
- Author(s)
  D. Hasegawa
- Journal Title
  
  AGU Geophysical Monograph
  
  Volume: Ｃ10 Issue: 2 Pages: 163-174
- DOI
  10.1007/s10872-018-0500-2
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-15H05818, KAKENHI-PROJECT-17H00775
[Journal Article] 若鷹丸による最先端観測機器を用いた漁場環境調査2017
- Author(s)
  田中雄大，長谷川大介，奥西武，金子仁
- Journal Title
  
  東北水産研究レター
  
  Volume: 40 Pages: 2-3
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-15H05818
[Journal Article] First Evidence of Coherent Bands of Strong Turbulent Layers Associated with High-Wavenumber Internal-Wave Shear in the Upstream Kuroshio2017
- Author(s)
  Nagai, T., D.Hasegawa, T. Tanaka, H. Nakamura, E. Tsutsumi, R. Inoue, T. Yamashiro
- Journal Title
  
  Scientific Reports
  
  Volume: 17 Pages: 14555-14555
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-15H05818
[Journal Article] 水中グライダーによる沿岸海洋観測の可能性2016
- Author(s)
  伊藤進一,有馬正和,市川雅明,青木茂,奥西武,筧茂穂,長谷川大介,和川拓,安田一郎,田中雄大,黒田寛,清水勇吾
- Journal Title
  
  沿岸海洋研究
  
  Volume: 53(2) Pages: 125-133
- NAID
  130007797557
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PLANNED-15H05818
[Journal Article] 水中グライダーによる沿岸海洋観測の可能性2016
- Author(s)
  伊藤進一・有馬正和・市川雅明・青木茂・奥西武・筧茂穂・長谷川大介・和川拓・安田一郎・田中雄大・黒田寛・清水勇吾
- Journal Title
  
  沿岸海洋研究
  
  Volume: 53 Pages: 125-133
- NAID
  130007797557
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Observing Ocean Mixing with Autonomous Platforms2024
- Author(s)
  Daisuke Hasegawa and Takahiro Tanaka
- Organizer
  Ocean Sciences Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Examples of Oceanographic Studies and Development of Observational Methods in Japan2024
- Author(s)
  Daisuke Hasegawa
- Organizer
  Physical Oceanography Seminar, National Taiwan University, Taiwan
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Estimation of primary production using a Fast Repetition Rate Fluorometer (FRRF) on an underwater glider2024
- Author(s)
  Takahiro Tanaka, Daisuke Hasegawa, Hikaru Homma and Ichiro Yasuda
- Organizer
  Ocean Sciences Meeting 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Examples of Oceanographic Studies and Development of Observational Methods in Japan2024
- Author(s)
  Daisuke Hasegawa
- Organizer
  Lecture at Seminar course for graduate students and doctoral researchers, National Cheng Kung University (NCKU), Taiwan
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Sanriku confluence east of Japan2023
- Author(s)
  S. Itoh,E. Tsutsumi,E. Masunaga,T. T. Sakamoto,K. Ishikawa,D. Yanagimoto,Y. Hoshiba,H. Kaneko,D. Hasegawa,K. Tanaka,H. Fukuda,T. Nagata
- Organizer
  Western Boundary Current-Subtropical Continental Shelf Interactions Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] An underwater glider observation of phytoplankton photosynthetic activity using a Fast Repetition Rate Fluorometer (FRRF)2023
- Author(s)
  Daisuke Hasegawa and Takahiro Tanaka
- Organizer
  PICES Annual Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] 黒潮続流フロントにおける生物量分布と海洋構造との関係性に関する研究2023
- Author(s)
  本間光, 長谷川大介, 田中雄大, 岡崎雄二, 奥西武
- Organizer
  日本海洋学会 2023年度秋季大会
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] How the Kuroshio Extension entrains the surrounding water masses off Sanriku2023
- Author(s)
  Daisuke Hasegawa and Takahiro Tanaka
- Organizer
  PICES Annual Meeting 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Seasonal cycle of the confluence of the Tsugaru Warm, Oyashio, and Kuroshio currents east of Japan2023
- Author(s)
  S. Itoh,E. Tsutsumi,E. Masunaga,T. T. Sakamoto,K. Ishikawa,D. Yanagimoto,Y. Hoshiba,H. Kaneko,D. Hasegawa,K. Tanaka,H. Fukuda,T. Nagata
- Organizer
  PICES 2023 Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] 水中グライダーによる基礎生産量見積もり方法の検討2023
- Author(s)
  田中雄大, 長谷川大介
- Organizer
  日本海洋学会 2023年度秋季大会
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Distribution of acoustically detected marine organisms across Kuroshio Extension front associated with physical and biogeochemical environments2023
- Author(s)
  Homma, H., D. Hasegawa, T. Tanaka, Y. Okazaki, and T Okunishi
- Organizer
  PICES-2023 Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] 水中グライダーによる硝酸塩乱流鉛直フラックスの計測2023
- Author(s)
  長谷川大介, 田中雄大
- Organizer
  日本海洋学会 2023年度秋季大会
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] 東北太平洋沖における魚探グライダーによる海洋モニタリング2022
- Author(s)
  田中雄大, 長谷川大介, 奥西武
- Organizer
  九州大学応用力学研究所研究集会「日本周辺海域の海況モニタリングと波浪計測に関する研究集会」
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] An acoustic glider observation for monitoring physical and biological environment in the upper ocean2022
- Author(s)
  T.Tanaka, D. Hasegawa, T. Okunishi
- Organizer
  PICES 2022 Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] 黒潮・津軽暖流が通過する海峡・海嶺域における硝酸塩乱流鉛直輸送2022
- Author(s)
  田中雄大, 長谷川大介, 奥西武, 安田一郎
- Organizer
  水産海洋学会創立60周年記念大会
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Seasonal cycle of the confluence of the Tsugaru Warm, Oyashio, and Kuroshio currents east of Japan2022
- Author(s)
  S. Itoh,E. Tsutsumi,E. Masunaga,T. T. Sakamoto,K. Ishikawa,D. Yanagimoto,Y. Hoshiba,H. Kaneko,D. Hasegawa,K. Tanaka,H. Fukuda,T. Nagata
- Organizer
  JpGU Meeting 2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05201
[Presentation] Nutrient Supply Caused by Submesoscale and Microscale Mixing Processes in the Upstream Kuroshio2020
- Author(s)
  Takeyoshi Nagai, Daisuke Hasegawa, Eisuke Tsutsumi, Hirohiko Nakamura, Tomoharu Senjyu, Takahiro Endoh, Takeshi Matsuno, Ryuichiro Inoue, Amit Tandon, Naoki Yoshie, Kazuki Ohgi, Ayako Nishina, Toru Kobari, Gloria Silvana Duran Gomez and Diego Andre Otero
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] The long lasting strong turbulence along the Kuroshio flowing over seamounts in the Tokara Strait2020
- Author(s)
  長井健容、堤英輔、長谷川大介、中村啓彦、仁科文子、松野健、千手智晴
- Organizer
  JpGU Annual Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01965
[Presentation] Enhanced double diffusive convection at the Oyashio-TWC front2020
- Author(s)
  D. Hasegawa, T. Tanaka, and T. Okunishi, and I. Yasuda
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Evaluation of angle of attack of underwater glider using an electromagnetic current sensor and ADCP2020
- Author(s)
  T. Tanaka, D. Hasegawa, T. Okunishi, I. Yasuda, T. P. Welch
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Nutrient Supply Caused by Submesoscale and Microscale Mixing Processes in the Upstream Kuroshio2020
- Author(s)
  Takeyoshi Nagai, Daisuke Hasegawa, Eisuke Tsutsumi, Hirohiko Nakamura, Tomoharu Senjyu, Takahiro Endoh, Takeshi Matsuno, Ryuichiro Inoue, Amit Tandon, Naoki Yoshie, Kazuki Ohgi, Ayako Nishina, Toru Kobari, Gloria Silvana Duran Gomez and Diego Andre Otero
- Organizer
  Ocean Science Meeting 2020, San Diego
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01965
[Presentation] Acoustic Monitoring Across the Oceanographic Front Between the Tsugaru Warm and Oyashio Currents2020
- Author(s)
  Z. Lu, D. Hasegawa, T. Tanaka, D. M. Spencer, Y. Okazaki, and T. Okunishi
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Intensified vertical mixing around various sea mounts along the Kuroshio and its contribution to the ecosystem2020
- Author(s)
  T. Matsuno, X. Guo, H. Nakamura, E. Tsutsumi, T. Senjyu, T. Endoh, J. Zhang, K. Ichikawa, T. Kobari, N. Yoshie, D. Hasegawa, T. Nagai, A. Nishina, A. Sakai, T. Noguchi, M. Chang, Y. Yang, S. Jan, C.Vilanoy, K. Lee, D. Yanagimoto and I. Yasuda
- Organizer
  Ocean Science Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] An Undulating Towed Array (UTA) for high-resolution observations of the upper ocean2020
- Author(s)
  D. M. Spencer, D. Hasegawa, T. Tanaka, Z. Lu, Y. Okazaki, and T. Okunishi
- Organizer
  Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Turbulent mixing and near-inertial internal waves induced by the Kuroshio over seamounts in the Tokara Strait2019
- Author(s)
  Takeyoshi Nagai, Daisuke Hasegawa, Eisuke Tsutsumi, Hirohiko Nakamura, Ayako Nishina, Tomoharu Senjyu, Takahiro Endoh, Takeshi Matsuno, Ryuichiro Inoue, Amit Tandon
- Organizer
  JpGU
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Evaluation of the underwater glider flight model using the electromagnetic current sensor2019
- Author(s)
  T. Tanaka, D. Hasegawa, T. Okunishi, and I. Yasuda
- Organizer
  3rd International Symposium “OMIX”, Poster session
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] How the Kuroshio enriches the southern coast of Japan and its downstream regions2019
- Author(s)
  Takeyoshi Nagai, Gloria Silvana Duran Gomez, Diego Andre Otero Huaman, Yoshie Naoki, Kazuki Ohgi, Daisuke Hasegawa, Sophie Clayton, Yusuke Uchiyama
- Organizer
  PICES Annual Meeting 2019, Victoria, Canada
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01965
[Presentation] Turbulent mixing and near-inertial internal waves induced by the Kuroshio over seamounts in the Tokara Strait2019
- Author(s)
  長井健容、長谷川大介、堤英輔、中村啓彦、仁科文子、千手智晴、遠藤貴洋、松野健、井上龍一郎、Amit Tandon
- Organizer
  JpGU Annual Meeting 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01965
[Presentation] Evaluation of the underwater glider flight model using the electromagnetic current sensor2019
- Author(s)
  T. Tanaka, D. Hasegawa, T. Okunishi, and I. Yasuda
- Organizer
  JpGU
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Development of methods and systems for vertical mixing and observations2019
- Author(s)
  Ichiro Yasuda, Koenjong Lee, Shinzo Fujio, Daigo Yanagimoto, Maki Nagasawa, Yusuke Kawaguchi, Eitarou Oka, Shuo Zhai, Shino Kimura, Ryuichiro Inoue, Daisuke Hasegawa, Takahiro Tanaka, Masao Ishii, Toshiya Nakano, Yasutaka Goto
- Organizer
  JpGU
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 日向灘沖の陸棚斜面近傍を流れる黒潮において、水平30km、鉛直200m規模で観測された著しく強い乱流混合2019
- Author(s)
  長井健容、Duran Silvana、Otero Diego、森泰貴、吉江直樹、大城一輝、長谷川大介、仁科文子、小針統
- Organizer
  JpGU Annual Meeting 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01965
[Presentation] Development and observational examples of measuring vertical turbulent nitrate flux using sensors2019
- Author(s)
  D. Hasegawa, T. Tanaka, and T. Okunishi
- Organizer
  PICES-2019 Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Mixing processes observed by a slocum glider at the Oyashio-TWC front2019
- Author(s)
  D. Hasegawa, T. Tanaka, and T. Okunishi, and I. Yasuda
- Organizer
  JpGU
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 黒潮が通過する伊豆海嶺での硝酸塩鉛直輸送の強化2018
- Author(s)
  田中雄大、長谷川大介、安田一郎、辻英将、藤尾伸三、後藤恭敬、西岡純
- Organizer
  北海道大学低温研共同利用集会
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Elevated mixing in the Tsugaru Strait through internal hydraulic jump2018
- Author(s)
  T. Tanaka, D. Hasegawa, T. Okunishi, H. Kaneko
- Organizer
  PICES 2018 Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 親潮・津軽暖流前線域における二重拡散対流による硝酸塩供給過程について2018
- Author(s)
  長谷川大介、田中雄大、奥西武
- Organizer
  北海道大学低温研共同利用集会
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Internal hydraulic jump in the Tsugaru Strait, Japan2018
- Author(s)
  T. Tanaka, D. Hasegawa, T. Okunishi, H. Kaneko
- Organizer
  JpGU2018
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] How a shallow sill cultivates the Kuroshio2018
- Author(s)
  Hasegawa, D., T. Matsuno, E. Tsutsumi, T. Senjyu, H. Nakamura, T. Kobari, A. Nishina, N. Yoshie, X. Guo, T. Nagai, T. Tanaka and I. Yasuda
- Organizer
  2018 Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Subduction and mixing processes of the front between the Oyashio and the Tsugaru Warm Current2018
- Author(s)
  D. Hasegawa, T. Tanaka, and T. Okunishi
- Organizer
  PICES 2018 Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Mixing processes of the Oyashio and Tsugaru Warm Current in the Northwestern Pacific Ocean2018
- Author(s)
  D. Hasegawa, T. Tanaka, and T. Okunishi
- Organizer
  PICES-International Symposium, Session 3
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Strong turbulent mixing and nitrate flux in the Kuroshio across the Izu Ridge2018
- Author(s)
  Takahiro Tanaka, Daisuke Hasegawa, Ichiro Yasuda,Hideyuki Tsuji, Shinzou Fujio, Yasutaka Goto and Jun Nishioka
- Organizer
  2018 Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 新青丸による伊豆海嶺での黒潮混合観測2018
- Author(s)
  田中雄大，長谷川大介，安田一郎
- Organizer
  大気海洋研究所共同利用研究集会「海洋物理船舶観測フェスタ2017」
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Internal hydraulic jump and turbulent mixing in the Tsugaru Strait, Japan2018
- Author(s)
  T. Tanaka, D. Hasegawa, T. Okunishi, H. Kaneko
- Organizer
  2018 AGU Fall Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] センサによる硝酸塩鉛直拡散フラックスの計測の試み2018
- Author(s)
  長谷川大介
- Organizer
  日本海洋学会2018年度秋季大会・沿岸海洋シンポジウム
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Coherent Bands of Strong Turbulent Layers Associated with High-Wavenumber Near-Inertial Internal-Wave Shear in the Upstream Kuroshio2018
- Author(s)
  Nagai, T., D. Hasegawa, T. Tanaka, H. Nakamura, E. Tsutsumi, R. Inoue, T. Yamashiro
- Organizer
  2018 Ocean Sciences Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Frontal mixing processes of the Oyashio and Tsugaru Warm Current in the Northwestern Pacific transition area2018
- Author(s)
  D. Hasegawa, T. Tanaka, and T. Okunishi
- Organizer
  JpGU2018
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] トカラ海峡黒潮源流下において自由落下曳航式乱流観測装置を用いて観測された鉛直高波数水平流速シアに伴う帯状強乱流層2017
- Author(s)
  長井健容，長谷川大介，田中雄大，中村啓彦，堤英輔
- Organizer
  JpGU-AGU Joint Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] How the Tokara strait cultivates the Kuroshio2017
- Author(s)
  Hasegawa, D., T. Matsuno, E. Tsutsumi, T. Senjyu, H. Nakamura, T. Kobari, A. Nishina, N. Yoshie, X. Guo, M. Nakagawa, T. Nagai, T. Tanaka and I. Yasuda
- Organizer
  JpGU-AGU Joint Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 台湾からトカラ海峡および伊豆海嶺を横切る黒潮における乱流及び硝酸塩フラックス2017
- Author(s)
  田中雄大・長谷川大介・辻英将・柳本大吾・藤尾伸三・後藤恭敬・伊藤進一・安田一郎・西岡純
- Organizer
  東京大学大気海洋研究所共同利用研究集会「黒潮域における混合と栄養塩供給・生物生産へ与える影響」
- Place of Presentation
  東京大学大気海洋研究所（千葉県柏市）
- Year and Date
  2017-01-19
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 三陸沖暖水塊2015C中心部における生物生産の向上2017
- Author(s)
  長谷川大介，奥西武，金子仁，桑田晃
- Organizer
  日本海洋学会秋季大会
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Strong vertical turbulent nitrate flux in the Kuroshio across the Tokara Strait and the Izu Ridge2017
- Author(s)
  Tanaka, T., D. Hasegawa, I. Yasuda, H. Tsuji, D. Yanagimoto, S. Fujio, Y. Goto, S. Ito, J. Nishioka, R. Saitoh, K. Nishina,
- Organizer
  JpGU-AGU Joint Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 台湾からトカラ海峡および伊豆海嶺を横切る黒潮における乱流及び硝酸塩フラックス2017
- Author(s)
  田中雄大、長谷川大介、辻英将、柳本大吾、藤尾伸三、後藤恭敬、伊藤進一、安田一郎、西岡純、
- Organizer
  東京大学大気海洋研究所共同利用研究集会
- Place of Presentation
  東京大学大気海洋研究所（千葉県柏市）
- Year and Date
  2017-01-19
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] Preliminary report on the observations of turbulence and vertical nitrate flux in the Kuroshio through the Tokara Strait and Izu Ridge”, International Symposium2017
- Author(s)
  Takahiro Tanaka, Daisuke Hasegawa, Ichiro Yasuda, Hideyuki Tsuji, Daigo Yanagimoto, Shinzo Fujio, Yasutaka Goto, Shinichi Ito, Jun Nishioka
- Organizer
  cean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem
- Place of Presentation
  Tokyo　山上会館（東京都文京区）
- Year and Date
  2017-03-16
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 三宅島沖合第二大野原海丘における海洋構造の研究2016
- Author(s)
  黒野由依,中野知香,根本雅生,吉田次郎,清水勇吾,平井惇也,小埜恒夫,長谷川大介,塩本明弘,藤田知則
- Organizer
  日本海洋学会2016年度春季大会
- Place of Presentation
  東京大学　文京区
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PLANNED-15H05818
[Presentation] 硝酸塩乱流鉛直フラックスの高解像度計測に関する研究2015
- Author(s)
  長谷川大介,安田一郎,田中雄大,後藤恭敬
- Organizer
  日本海洋学会 2015年度秋季大会
- Place of Presentation
  愛媛大学松山
- Year and Date
  2015-09-26
- Data Source
  KAKENHI-PLANNED-15H05818

1. 井上龍一郎 (80624022)

# of Collaborated Projects: 2 results

# of Collaborated Products: 8 results
2. 田中雄大 (10750391)

# of Collaborated Projects: 2 results

# of Collaborated Products: 53 results
3. Yasuda Ichiro (80270792)

# of Collaborated Projects: 1 results

# of Collaborated Products: 23 results
4. NAGAI TAKEYOSHI (90452044)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
5. 柳本大吾 (40260517)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
6. 藤尾伸三 (00242173)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
7. 川口悠介 (00554114)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. 山崎秀勝 (80260537)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 伊藤幸彦 (80345058)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
10. 浦川昇吾 (00733916)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 西川悠 (10625396)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 増田貴子 (60893831)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 堤英輔 (70635846)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
14. 増永英治 (90779696)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
15. 本間光 (91002228)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
16. 坂本圭 (60589860)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
17. ENDOH Takahiro

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
18. SENJYU Tomoharu

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Hasegawa Daisuke 長谷川 大介

Research Projects

Research Products

Co-Researchers

Flow variability and material diffusion processes from estuaries to continental shelves

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Resolving multi-scale mixing processes and their impacts using a twin tow-yo microstructure profiling system

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of method and system of mixing and large-scale observations

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Review of oceanic mesoscale processes in the North Pacific: Physical and biogeochemical impacts2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] In Situ Calibration of Underwater Glider Flight Model Using Acoustic Doppler Current Profilers2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Seasonal cycle of the confluence of the Tsugaru Warm, Oyashio, and Kuroshio currents east of Japan2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Estimate of turbulent energy dissipation rate using free-fall and CTD-attached fast-response thermistors in weak ocean turbulence2021

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Enhanced vertical turbulent nitrate flux in the intermediate layer of the Kuroshio in the Tokara Strait2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Internal hydraulic jump in the Tsugaru Strait2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] How a small reef in the Kuroshio cultivates the ocean2021

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] The Kuroshio flowing over seamounts and associated submesoscale flows drive 100-km-wide 100-1000-fold enhancement of turbulence2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Fine-scale Observations of anticyclonic eddies in the western subarctic North Pacific2020

Author(s)

Journal Title

Data Source

[Journal Article] Phytoplankton growth and consumption by microzooplankton stimulated by turbulent nitrate flux suggest rapid trophic transfer in the oligotrophic Kuroshio2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] How the Kuroshio Current delivers nutrients to sunlit layers on the continental shelves with aid of near-inertial waves and turbulence2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] センサによる硝酸塩鉛直乱流拡散フラックスの計測2019

Author(s)

Hasegawa Daisuke 長谷川大介