Ibaraki University's
Center for Water Environment Studies

Assistant Professor


Other affiliation / position

  1. Graduate School of Science and Engineering (Engineering) Department of Urban and Civil Engineering
  2. Institute for Global Change Adaptation Science (ICAS)


  1. Tokyo University of Marine Science and Technology Department of Marine science Postdoctoral Researcher 2015/08/20-2016/03/31
  2. Stanford University Civil and Environmental Engineering Department Visiting Scholar 2015/04/01-2015/08/20
  3. Tokyo University of Marine Science and Technology Department of Ocean Science Research Assistant 2012/04/01-2015/03/31

Academic background

  1. Tokyo University of Marine Science and Technology Graduate School of Marine Science and Technology Applied Marine Environmental Studies Doctor later 2015/03/25 Completed Japan

Academic degrees

  1. Ocean Science Tokyo University of Marine Science and Technology 2015/03/25

Research Areas

  1. Meteorology/Physical oceanography/Hydrology
  2. Environmental dynamic analysis

Research keywords

  1. Coastal physical oceanography
  2. Turbulent mixing
  3. nonlinear internal waves
  4. Numerical simulations of ocean physics


  1. Research paper (scientific journal) Dynamics of internal tides over a shallow ridge investigated with a high-resolution downscaling regional ocean model Eiji Masunaga, Yusuke Uchiyama, Yota, Suzue, Hidekatsu Yamazaki Geophysical Research Letters accepted 2018
  2. Research paper (scientific journal) Joint Impacts of two super typhoons on the Kuroshio and marginal seas off the Pacific coast of Japan HIroaki Tada, Yusuke Uchiyama, Eiji Masunaga Deep-Sea Res. Part I 132, 80-93 2018
  3. Research paper (scientific journal) Joint Sasmal, Kaushik, et al. "A three-dimensional numerical study of river plume mixing processes in Otsuchi Bay, Japan Sasmal, K., Masunaga, E., Webb, A., Fringer, O. B., Gross, E. S., Rayson, M. D., & Yamazaki, H. Journal of Oceanography doi.org/10.1007/s10872-017-044 2017
  4. Research paper (scientific journal) Dynamics and energetics of trapped diurnal internal Kelvin waves around a mid-latitude island Eiji Masunaga, Oliver B. Fringer, Yujiro Kitade, Hidekatsu Yamazaki and Scott Gallager Journal of Physical Oceanography American Meteorological Society 47/ 10, 2479-2498 2017
  5. Research paper (scientific journal) 黒潮と内部波が影響する伊豆諸島周辺海域における流動場の解明 増永英治,鈴江洋太,内山雄介,山崎秀勝 土木学会論文集B2(海岸工学) 土木学会 73/ 2, I_451-I_456 2017

Research presentations

  1. Oral presentation(general) Numerical simulations and observations of nonlinear internal tides in shallow coastal regions. Ocean Science Meeting 2018 2018/02
  2. Oral presentation(general) Numerical simulations of the interaction between internal waves and the Kuroshio Current over the Izu-Ogasawara Ridge 14th Annual Meeting Asia Oceania Geoscience Society 2017/08
  3. Oral presentation(general) Nonlinear internal wave dynamics and sediment transport processes investigated with the SUNTANS models IMUM2017 2017/08 URL
  4. Oral presentation(general) Numerical simulations of internal wave dynamics in the vicinity of Izu-Oshima Island, off Sagami Bay, Japan JpGU-AGU joint meeting 2017/05
  5. Poster presentation Internal wave-driven sediment transports over contineltal slopes ALSO meegting 2017 2017/03

Joint / funded research

  1. Novel technologies to evaluate multi-scale variations of pelagic marine communities and biodiversity under the influence of the Kuroshio and internal waves in coastal habitats 2016/04-2018/03 Commissioned research by the investment