Ibaraki University's
Center for Water Environment Studies

Assistant Professor


Other affiliation / position

  1. College of 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 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 Accepted 2017
  2. 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 採択 2017
  3. Research paper (scientific journal) Joint RCP・SSPシナリオに基づく全球沿岸域での海面上昇による浸水影響評価 四栗瑞樹,田村 誠,熊野 直子,増永 英治,横木 裕宗 地球環境シンポジウム論文集 土木学会 採択 2017
  4. Research paper (scientific journal) Joint 日本における海面上昇への適応を目的とした防護費用の将来推計 熊野直子,土田光次郎,田村誠,増永英治,桑原祐史,横木裕宗 土木学会論文集B3(海洋開発) 採択 2017
  5. Research paper (scientific journal) Joint Sediment resuspension and the generation of intermediate nepheloid layers by shoaling internal bores Eiji Masunaga, Robert S. Arthur, Oliver B. Fringer and Hidekatsu Yamazaki Journal of Marine Systems 170, 31-41 2017/02

Research presentations

  1. 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
  2. Poster presentation Internal wave-driven sediment transports over contineltal slopes ALSO meegting 2017 2017/03
  3. Oral presentation(general) 伊豆大島周辺の内部潮汐発生機構 2016年度日本海洋学会春季大会 2016/03
  4. Oral presentation(general) Generation mechanism and energetics of internalk waves around an island Ocean Science Meeting 2016 2016/02/26
  5. Symposium workshop panel(nominated) YODA Profilerを用いた沿岸海域のおける観測 2015年度日本海洋学会春季大会シンポジウムS6海洋乱流測定技術の変遷 2015/03

Alloted class

  1. 都市システム工学実験Ⅰ
  2. 都市システム工学基礎演習Ⅱ

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