Hatsumi NISHIKAWA

Profile

Yasuhiro Hoshiba

Marine Ecosystem Research Group
Project Researcher

Adress

Earth Surface System Research Center JAMSTEC
Natsushima-cho 2-15, Yokosuka 237-0061, JAPAN
TEL：+81-46-867-9243

Research interests

  • Biogeochemical cycles in the Southern Ocean
  • Impact of subtropical mode water variations on ocean surface structure
  • Observational study of the North Pacific mid-latitude air-ocean interaction

Curriculum Vitae

2016～2020 Project Researcher, ILTS, Hokkaido University
2020～2024 Project Researcher, AORI, the University of Tokyo
2024～ Project Researcher, ESS, JAMSTEC

Publications

  • 1. Oka, E., S. Sugimoto, F. Kobashi, H. Nishikawa, S. Kanada, T. Nasuno, R. Kawamura, M. Nonaka (2023), Subtropical Mode Water south of Japan impacts typhoon intensity. Science Advances.
  • 2. Nishikawa, H., E. Oka, S. Sugimoto (2023), Subtropical Mode Water in a recent persisting Kuroshio large-meander period: part II—formation and temporal evolution in the Kuroshio recirculation gyre off Shikoku. Journal of Oceanography, https://doi.org/10.1007/s10872-023-00689-2.
  • 3. Tachibana, Y., M. Honda, H. Nishikawa, H. Kawase, H. Yamanaka, D. Hata,and Y. Kashino (2022), High moisture confluence in Japan Sea polar air mass convergence zone captured by hourly radiosonde launches from a ship, Scientific Reports,12, DOI:10.1038/s41598-022-23371-x
  • 4. Nishikawa, H., H. Mitsudera, T. Okunishi, S.-I. Ito, T. Wagawa, D. Hasegawa, T. Miyama, H. Kaneko, R.-C. Lien (2021), Surface water pathways in the subtropical–subarctic frontal zone of the western North Pacific, Progress in Oceanography, 199,102691, https://doi.org/10.1016/j.pocean.2021.102691.
  • 5. Shu, HW., H. Mitsudera, K. Yamazaki, T. Nakamura, T. Kawasaki, T. Nakanowatari, H. Nishikawa, and H. Sasaki (2021), Tidally modified western boundary current drives interbasin exchange between the Sea of Okhotsk and the North Pacific. Scientific Reports, 11, 12037. https://doi.org/10.1038/s41598-021-91412-y.
  • 6. Oka, E., H. Nishikawa, S. Sugimoto, B. Qiu, and N. Schneider (2021), Subtropical Mode Water in a recent persisting Kuroshio large-meander period. Part I: Formation and advection over the entire distribution region. Journal of Oceanography, https://doi.org/10.1007/s10872-021-00608-3.
  • 7. Kawai Y., H. Nishikawa, E. OKA (2019), In Situ Evidence of Low-Level Atmospheric Responses to the Oyashio Front in Early Spring, Journal of the Meteorological Society of Japan, DOI:10.2151/jmsj.2019-024.
  • 8. Miyazawa Y., A. Kuwano-Yoshida, T. Doi, H. Nishikawa, T. Narazaki, T. Fukuoka, K. Sato (2018), Temperature profiling measurements by sea turtles improve ocean state estimation in the Kuroshio-Oyashio Confluence region, Ocean Dynamics, 69 (2), 267-282, DOI: 10.1007/s10236-018-1238-5.
  • 9. Mitsudera H., T. Miyama, H. Nishigaki, T. Nakanowatari, H. Nishikawa, T. Nakamura, T. Wagawa, R. Furue, Y. Fujii and S. Ito (2018), Low ocean-floor rises regulate subpolar sea surface temperature by forming baroclinic jets, Nature Communications, 9, 1190, 10.1038/s41467-018-03526-z.
  • 10. Nishikawa, H., Y. Tachibana, Y. Kawai, M. K. Yoshioka, and H. Nakamura (2016), Evidence for SST-forced anomalous winds revealed from simultaneous radiosonde launches from three ships across the Kuroshio Extension front, Monthly Weather Review, 144, 3553-356, doi: 10.1175/MWR-D-15-0442.1.
  • 11. Diawara, A., Y. Tachibana, K. Oshima, H. Nishikawa, and Y. Ando (2016), Synchrony of trend shifts in Sahel boreal summer rainfall and global oceanic evaporation, 1950–2012, Hydrology and Earth System Sciences, 20, 3789–3798, https://doi.org/10.5194/hess-20-3789-2016.
  • 12. Sato, K., A. Manda, Q. Moteki, K. K. Komatsu, K. Ogata, H. Nishikawa, M. Oshika, Y. Otomi, S. Kunoki, H. Kanehara, T. Aoshima, K. Shimizu, J. Uchida, M. Shimoda, M. Yagi, S. Minobe, and Y. Tachibana (2015), Influence of the Kuroshio on Mesoscale Convective Systems in the Baiu Frontal Zone over the East China Sea. Monthly Weather Review, 144, 1017–1033, doi: 10.1175/MWR-D-15-0139.1.
  • 13. Nishikawa, H., Y. Tachibana, and Y. Udagawa (2014), Radiosonde observational evidence of the impact of an extremely cold SST spot on a mesoscale anticyclone, Journal of Geophysical Research Atmosphere, 119, DOI: 10.1002/2014JD021538.
  • 14. Kasamo, K., A. Isobe, S. Minobe, A. Manda, H. Nakamura, K. Ogata, H. Nishikawa, Y. Tachibana, and S. Kako (2014), Transient and local weakening of surface winds observed above the Kuroshio front in the winter East China Sea, Journal of Geophysical Research Atmosphere, 119(3), 1277–1291, DOI: 10.1002/2013JD020610.