JAMSTEC Researchers Database

  • Ryoichi Iwase
Department
Research Institute for Marine Geodynamics (IMG) Research and Development Center for Earthquake and Tsunami Forecasting (FEAT) Coordinator
Career
Principal Researcher

Profile

Speciality

Research Achievement

Peer reviewed publications (Belonging to JAMSTEC)

  • Takuya Hasegawa, Akira Nagano, Keisuke Ariyoshi, Toru Miyama, Hiroyuki Matsumoto, Ryoichi Iwase, Masahide Wakita. Effect of Ocean Fluid Changes on Pressure on the Seafloor: Ocean Assimilation Data Analysis on Warm-Core Rings off the Southeastern Coast of Hokkaido, Japan on an Interannual Timescale. Frontiers in Earth Science, 2021, 9, p. 600930, doi: 10.3389/feart.2021.600930
  • Ryota Nakajima Chong Chen Ryoichi Iwase Hiroyuki Yamamoto Katsunori Fujikura. Clams after storms: the impact of multiple disturbances on seep vesicomyid clams revealed by long-term monitoring. MARINE BIOLOGY, 2019, 166, 3, doi: 10.1007/s00227-019-3484-6
  • 松尾行雄,赤松友成,岩瀬良一,川口勝義. 北海道釧路・十勝沖の海底ケーブル型観測システムを用いたナガスクジラの鳴音の季節依存性. 海洋音響学会誌, 2017, 44, 1, p. 13-22
  • Ryoichi Iwase. Estimation of seismic wave velocity at seafloor surface and sound source localization based on transmitted wave observation with an ocean bottom seismometer offshore of Kamaishi, Japan. Japanese Journal of Applied Physics, 2016, 55, 7S1, doi: 10.7567/JJAP.55.07KG01
  • Ryoichi Iwase. Fin whale vocalizations observed with ocean bottom seismometers of cabled observatories off east Japan Pacific Ocean. Japanese Journal of Applied Physics, 2015, 54, 7S1, doi: 10.7567/JJAP.54.07HG03
  • Takashi Yokobiki, Ryoichi Iwase, Yukio Takahashi , Hiroyasu Momma. Underwater repair method for shunt fault on submarine cable. Underwater Technology 2013, 2013
  • Takafumi Kasaya,Kyohiko Mitsuzawa, Tada-nori Goto, Ryoichi Iwase, Keizo Sayanagi, Eiichiro Araki, Kenichi Asakawa, Hitoshi Mikada, Tomoki Watanabe, Ichiro Takahashi, Toshiyasu Nagao. Trial of multidisciplinary observation at an expandable sub-marine cabled station "off-Hatsushima Island Observatory" in Sagami Bay, Japan. Sensors, 2009, 9, 11, p. 9241-9254
  • 岩瀬 良一,直井 純 , 菊池 年晃 , 水谷 孝一 . 相模湾における低周波雑音計測. 海洋音響学会誌, 2007, 34, 2, p. 87-96
  • Masataka Kinoshita, Takafumi Kasaya, Tada-nori Goto, Kenichi Asakawa, Ryoichi Iwase,Kyohiko Mitsuzawa 木下 正高, 笠谷 貴史, 後藤 忠徳, 浅川 賢一, 岩瀬 良一, 満澤 巨彦. 伊豆東方沖地震に誘発された相模湾初島沖の海底地すべり. 日本地すべり学会誌, 2006, 43, p. 41-43
  • 直井 純,岩瀬 良一 , 菊池 年晃 , 水谷 孝一. Variation in Cutoff Effect and Sound Field Caused by Geometrical Structures near the Coast. Japanese Journal of Applied Physics, 2006, No.9A, p. 7129-7134
  • 岩瀬 良一. Association between Phase Modulation and Waveform on Phase Information Transmission by Phase Conjugate Wave. Japanese Journal of Applied Physics, 2006, 45, 5B, p. 4853-4855
  • 笠原 順三. An Experimental Multi-disciplinary observatory (VENUS) at the Ryukyu Trench using the Guam-Okinawa Geophysical Submarine Cable. Annli di Geophisica (Annals of Geophysics), 2006, 49, 2/3, p. 595-606
  • 直井 純,岩瀬 良一 , 菊池 年晃 , 水谷 孝一. 放物型方程式法の位相誤差とパルス伝搬時間. 海洋音響学会誌, 2006, p. 25-34
  • Kenji Hirata, Masaru Aoyagi, Hitoshi Mikada,Katsuyoshi Kawaguchi, Yuka Kaiho,Ryoichi Iwase, Shigehiko Morita, Itaru Fujisawa, Hiroko Sugioka,Kyohiko Mitsuzawa, Kiyoshi Suyehiro, Hajimu Kinoshita,Noriyuki Fujiwara(NEC Ocean Engineering). Real-Time Geophysical Measurements on the Deep Seafloor using Submarine Cable in the Southern Kurile Subduction Zone. IEEE Journal of Oceanic Engineering, 2002, 27, 2, p. 170-181
  • 岩瀬 良一. 深海調査技術-有人潜水調査船と無人探査機-. 地学雑誌 109 / 6 / 885-899, 2000