研究業績

国際会議等における発表

2021

  • Hibiya, T.: A new parameterization of turbulent mixing enhanced over rough seafloor topography, Japan Geoscience Union Meeting 2021, Virtual Meeting, June 5, 2021.
  • Xu, Z., J. You, Y. Wang, Q. Li, T. Hibiya, and R. Robertson: Internal tide radiation and intensified mixing in the Philippine Sea, Japan Geoscience Union Meeting 2021, Virtual Meeting, June 5, 2021.
  • Nagai, T., and T. Hibiya: Direct estimates of turbulent mixing in the Indonesian Archipelago and its role in the transformation of the ITF waters, Japan Geoscience Union Meeting 2021, Virtual Meeting, June 5, 2021.
  • Ijichi, T., and L. St. Laurent: Observed spectral distortion of temperature microstructure, Japan Geoscience Union Meeting 2021, Virtual Meeting, June 5, 2021.

2020

  • Hibiya, T.: A new parameterization of tidal mixing enhanced over rough seafloor topography, Japan Geoscience Union-American Geophysical Union Joint Meeting 2020, Virtual Meeting, July 12-16, 2020.
  • Yanagimachi, T., and T. Hibiya: A theoretical and observational study of the vertical decay scale of tidal mixing over rough seafloor topography, Japan Geoscience Union-American Geophysical Union Joint Meeting 2020, Virtual Meeting, July 12-16, 2020.
  • Matsuura, H., K. Uehara, S. Kida, and T. Hibiya: The decreasing trend of M2 tidal amplitude observed along northwestern Kyushu, Japan Geoscience Union-American Geophysical Union Joint Meeting 2020, Virtual Meeting, July 12-16, 2020.
  • Hibiya, T.: A new parameterization of tidal mixing enhanced over rough seafloor topography, Ocean Sciences Meeting 2020, San Diego, USA, February 21, 2020.
  • Nagai, T., and T. Hibiya: Direct estimates of turbulent mixing in the Indonesian Seas and its impact on the water-mass transformation, Ocean Sciences Meeting 2020, San Diego, USA, February 21, 2020.
  • Yasuda, I., S. Masuda, J. Nishioka, X. Guo, N. Harada, S. Ito, T. Hibiya, H. Hasumi, Y. Yoshikawa, H. Obata, and H. Tatebe: Overview of OMIX project "Ocean mixing processes: impact on biogeochemistry, climate and ecosystems", Ocean Sciences Meeting 2020, San Diego, USA, February 21, 2020.
  • Nagai, T., and T. Hibiya: The combined effect of tidal mixing in narrow straits and the Ekman transport on the variability of SST in the southern Indonesian Seas, Ocean Sciences Meeting 2020, San Diego, USA, February 20, 2020 (Invited).
  • Fukuzawa, K., and T. Hibiya: The amplification mechanism of a meteo-tsunami originating off the western coast of Kyushu Island of Japan, Ocean Sciences Meeting 2020, San Diego, USA, February 20, 2020.
  • Takahashi, A., and T. Hibiya: Low wavenumber hump in the internal wave energy spectra observed in the Antarctic Circumpolar Current region, Ocean Sciences Meeting 2020, San Diego, USA, February 19, 2020.

2019

  • Tanaka, Y., and T. Hibiya: Generation mechanism of tropical instability waves in the equatorial Pacific Ocean, 27th International Union of Geodesy and Geophysics (IUGG) General Assembly, Montreal, Canada, July 13, 2019.
  • Takahashi, A., T. Hibiya, and A. C. Naveira Garabato: Influence of the distortion of the internal wave field on estimates of turbulent mixing using fine-scale parameterizations, 27th International Union of Geodesy and Geophysics (IUGG) General Assembly, Montreal, Canada, July 10, 2019.
  • Hibiya, T.: A new parameterization of bottom-enhanced tidal mixing over abyssal rough bathymetry, 27th International Union of Geodesy and Geophysics (IUGG) General Assembly, Montreal, Canada, July 10, 2019.
  • Nagai, T., and T. Hibiya: The combined effect of the Ekman transport and tidal mixing on the variability of SST in the southern Indonesian Seas, 27th International Union of Geodesy and Geophysics (IUGG) General Assembly, Montreal, Canada, July 9, 2019.
  • Takahashi, A., T. Hibiya, and A. N. Garabato: Influence of the distortion of the internal wave field on estimates of turbulent mixing using fine-scale parameterizations, Japan Geoscience Union Meeting 2019, Chiba, Japan, May 26, 2019.
  • Hibiya, T.: A new parameterization of turbulent mixing caused by tidal flow over abyssal rough bathymetry, Japan Geoscience Union Meeting 2019, Chiba, Japan, May 26, 2019.

2018

  • Hibiya, T.: Improvement of the parameterization of ocean mixing processes in the surface, deep, and bottom layers, 2nd International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", Kashiwa, Japan, November 4, 2018.
  • Hibiya, T.: Global mapping of abyssal turbulence intensity using Deep Argo floats, The Sixth Argo Science Workshop (ASW-6) "The Argo Program in 2020 and beyond: Challenges and opportunities", Tokyo, Japan, October 24, 2018 (Invited).
  • Inazu, D., T. Ikeya, T. Waseda, T. Hibiya, and Y. Shigihara: Offshore tsunami currents found in navigating ship records, 10th ACES International Workshop, Hyogo, Japan, September 27, 2018.
  • Nagai, T., and T. Hibiya: Effects of the Indonesian Throughflow on the generation and propagation of internal tides in Lombok Strait, Asia Oceania Geosciences Society (AOGS) 15th Annual Meeting, Honolulu, USA, June 6, 2018.
  • Hibiya, T., E. Kobori, and R. Robertson: Observational and numerical studies of the vertical structure of tidal mixing over abyssal rough bottom bathymetry, Asia Oceania Geosciences Society (AOGS) 15th Annual Meeting, Honolulu, USA, June 6, 2018.
  • Onuki, Y., and T. Hibiya: Decay rates of internal tides estimated by an improved wave-wave interaction analysis, Japan Geoscience Union Meeting 2018, Chiba, Japan, May 21, 2018.
  • Niwa, Y., and T. Hibiya: Generation of baroclinic tide energy in a global three-dimensional numerical model with different spatial grid resolutions, Japan Geoscience Union Meeting 2018, Chiba, Japan, May 21, 2018.
  • Nagai, T., and T. Hibiya: The impacts of tidal mixing in the Indonesian Archipelago on the transformation of the Indonesian Throughflow waters, Japan Geoscience Union Meeting 2018, Chiba, Japan, May 21, 2018.
  • Ijichi, T., and T. Hibiya: Observed variations in mixing efficiency in the deep ocean, Japan Geoscience Union Meeting 2018, Chiba, Japan, May 21, 2018.
  • Nagai, T., and T. Hibiya: Effects of the Indonesian Throughflow on the generation and propagation of internal tides in Lombok Strait, Japan Geoscience Union Meeting 2018, Chiba, Japan, May 21, 2018.
  • Takahashi, A., and T. Hibiya: Assessment of finescale parameterizations of deep ocean mixing in the presence of geostrophic current shear : Results of microstructure measurements in the Antarctic Circumpolar Current Region, Japan Geoscience Union Meeting 2018, Chiba, Japan, May 21, 2018.
  • Hibiya, T., E. Kobori, and R. Robertson: Observational and numerical studies of tidal mixing enhanced over abyssal rough bathymetry, Japan Geoscience Union Meeting 2018, Chiba, Japan, May 21, 2018.
  • Tanaka, Y., and T. Hibiya: Baroclinic Instability over Koshu Seamount Leading to the Kuroshio Large Meander, 2018 Ocean Sciences Meeting, Portland, USA, February 14, 2018.
  • Fukuzawa, K., Y. Tanaka, and T. Hibiya: The amplification mechanism of a meteo-tsunami originating off the western coast of Kyushu Island of Japan in the winter of 2004, 2018 Ocean Sciences Meeting, Portland, USA, February 14, 2018.
  • Ijichi, T., and T. Hibiya: Observed variations in turbulent mixing efficiency in the deep ocean, 2018 Ocean Sciences Meeting, Portland, USA, February 13, 2018.
  • Onuki, Y. and T. Hibiya: Theoretical analysis of resonant interaction between internal tides and an internal wave continuum, 2018 Ocean Sciences Meeting, Portland, USA, February 12, 2018.
  • Takahashi, A., and T. Hibiya: Assessment of finescale parameterizations of deep ocean mixing in the presence of geostrophic current shear: Results of microstructure measurements in the Antarctic Circumpolar Current Region, 2018 Ocean Sciences Meeting, Portland, USA, February 12, 2018.

2017

  • Hibiya, T., T. Ijichi, and E. Kobori: The impacts of ocean bottom roughness and tidal flow amplitude on abyssal mixing, IAPSO-IAMAS-IAGA Joint Assembly, Cape Town, South Africa, August 28, 2017.
  • Hirobe, T., Y. Niwa, T. Endoh, I. E. Mulia, D. Inazu, T. Yoshida, H. Tatehata, A. Nadai, T. Waseda and T. Hibiya: Airborne observations with a nadir-pointing radar altimeter for great tsunamis early detection, International Tsunami Symposium 2017, Bali, Indonesia, August 21, 2017.
  • Inazu, D., T. Waseda, T. Hibiya and Y. Ohta: Measuring great tsunamis using GNSS-based ship height positioning for early tsunami warning, International Tsunami Symposium 2017, Bali, Indonesia, August 21, 2017.
  • Mulia, I. E., T. Hirobe, D. Inazu, T. Endoh, Y. Niwa, H. Tatehata, A. R. Gusuman, T. Waseda and T. Hibiya: Improving tsunami forecasts by assimilating sea surface heights observed from commercial ships and airplanes, International Tsunami Symposium 2017, Bali, Indonesia, August 21, 2017.
  • Tanaka, Y., and T. Hibiya: Effects of Koshu Seamount on the development of baroclinic instability leading to the Kuroshio large meander, Asia Oceania Geosciences Society (AOGS) 14th Annual Meeting, Singapore, August 11, 2017.
  • Nagai, T., and T. Hibiya: The effects of tidally-induced mixing in the Halmahera Sea on the transformation of the Indonesian throughflow waters, Asia Oceania Geosciences Society (AOGS) 14th Annual Meeting, Singapore, August 7, 2017.
  • Hirobe, T., Y. Niwa, T. Endoh, I. E. Mulia, D. Inazu, T. Yoshida, H. Tatehata, A. Nadai, T. Waseda and T. Hibiya: Airborne observations with a nadir-pointing radar altimeter for a great tsunami detection, IAG-IASPEI 2017, Kobe International Conference Center, Kobe, August 3, 2017.
  • Mulia, I. E., T. Hirobe, D. Inazu, T. Endoh, Y. Niwa, H. Tatehata, A. R. Gusman, T. Waseda and T. Hibiya: A reduced rank data assimilation for airborne measurements of a tsunami, Japan Geoscience Union-American Geophysical Union Joint Meeting 2017, Chiba, Japan, May 25, 2017.
  • Hirobe, T., Y. Niwa, T. Endo, I. E. Mulia, D. Inazu, T. Yoshida, H. Tatehata, A. Nadai, T. Waseda, and T. Hibiya: Observations of sea surface heights using an airborne radar altimeter for great tsunamis early detection, Japan Geoscience Union-American Geophysical Union Joint Meeting 2017, Chiba, Japan, May 25, 2017.
  • Nakano, H., Y. Kitade, K. Shimada, and T. Hibiya: Estimates of eddy diffusivities using fast response thermistors, Japan Geoscience Union-American Geophysical Union Joint Meeting 2017, Chiba, Japan, May 21, 2017.
  • Ijichi, T., and T. Hibiya: Evaluation of Mixing Coefficients in the Deep Ocean, Japan Geoscience Union-American Geophysical Union Joint Meeting 2017, Chiba, Japan, May 21, 2017.
  • Nagai, T., and T. Hibiya: Non-hydrostatic simulations of tidally-induced mixing in the Halmahera Sea: A possible role in the transformation of the Indonesian Throughflow waters, Japan Geoscience Union-American Geophysical Union Joint Meeting 2017, Chiba, Japan, May 21, 2017.
  • Takahashi, A., and T. Hibiya: Assessment of the existing fine-scale parameterizations of deep ocean mixing in the Antarctic Circumpolar Current region, Japan Geoscience Union-American Geophysical Union Joint Meeting 2017, Chiba, Japan, May 21, 2017.
  • Hibiya, T., T. Ijichi, and R. Robertson: Revisiting fine-scale parameterizations for enhanced tidal mixing over a rough ocean bottom, Japan Geoscience Union-American Geophysical Union Joint Meeting 2017, Chiba, Japan, May 21, 2017.
  • Hibiya, T.: What we have learned about deep ocean mixing in the past 20 years, Munk Centennial May Symposium, La Jolla, USA, May 17, 2017 (Invited).
  • Onuki Y., and T. Hibiya: Theoretical estimates of the intensity of resonant coupling between internal tides and internal waves in the western Pacific, 19th Pacific Asian Marginal Seas Meeting, Jeju, Korea, April 12, 2017.
  • Hibiya, T.: Revisiting fine-scale parameterizations for enhanced tidal mixing over a rough ocean bottom, International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", Tokyo, Japan, March 16, 2017.
  • Tanaka, Y., and T. Hibiya: Downward lee wave radiation from tropical instability waves in the central equatorial Pacific Ocean: a possible energy pathway to turbulent mixing, International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", Tokyo, Japan, March 16, 2017.
  • Takahashi, A., and T. Hibiya: Assessment of fine-scale parameterizations of deep ocean mixing in the presence of geostrophic current shear -From the results of microstructure measurements in the Antarctic Circumpolar Current region-, International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", Tokyo, Japan, March 16, 2017.
  • Ijichi, T., and T. Hibiya: Estimating mixing efficiency in the deep ocean through microstructure measurements, International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", Tokyo, Japan, March 16, 2017.
  • Niwa, Y., and T. Hibiya: Generation of baroclinic tide energy in a global three-dimensional numerical model with different spatial grid resolution, International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", Tokyo, Japan, March 16, 2017.
  • Nagai, T., and T. Hibiya: The impacts of tidal mixing and sub-mesoscale eddies on the water-mass transformation of the Indonesian Throughflow, International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", Tokyo, Japan, March 16, 2017.
  • Hibiya, T., T. Ijichi, and R. Robertson: The impacts of ocean bottom roughness and tidal flow amplitude on abyssal mixing, The Third Xiamen Symposium on Marine Environmental Sciences (XMAS-III), Xiamen, China, January 10, 2017.

2016

  • Takahashi, A., and T. Hibiya: Assessment of fine-scale parameterizations of turbulent dissipation rates in the Southern Ocean, 2016 American Geophysical Union (AGU) Fall Meeting, San Francisco, USA, December 15, 2016.
  • Inazu, D., T. Waseda, T. Hibiya, and Y. Ohta: Measuring and forecasting great tsunamis by GNSS-based vertical positioning of multiple ships, 2016 American Geophysical Union (AGU) Fall Meeting, San Francisco, USA, December 14, 2016.
  • Wei, Y., W. Hao, Z. Liang, and T. Hibiya: Evidence of tidal straining and its influence on the bottom mixing in the East China Sea, Asia Oceania Geosciences Society, Beijing, China, August 4, 2016.
  • Nagai, T., and T. Hibiya: The impacts of tidal mixing and sub-mesoscale eddies on the water-mass transformation of the Indonesian Throughflow, Asia Oceania Geosciences Society, Beijing, China, August 4, 2016.
  • Wei, Y., Z. Liang, W. Hao, and T. Hibiya: Evidence of tidal straining and its influence on the bottom mixing in the East China Sea, Japan Geoscience Union Meeting 2016, Chiba, Japan, May 22, 2016.
  • Nagai, T., and T. Hibiya: Internal tides and associated vertical mixing in the Indonesian Archipelago, Japan Geoscience Union Meeting 2016, Chiba, Japan, May 22, 2016.
  • Tanaka, Y., T. Hibiya, and H. Sasaki: Downward lee wave radiation from Pacific tropical instability waves: A possible energy pathway to turbulent mixing, Japan Geoscience Union Meeting 2016, Chiba, Japan, May 22, 2016.
  • Takahashi, A., T. Hibiya, and Y. Tanaka: Dissipation processes of internal waves generated by geostrophic flows impinging on bottom topography, Japan Geoscience Union Meeting 2016, Chiba, Japan, May 22, 2016.
  • Hibiya, T., T. Ijichi, R. Robertson: Numerical Study of the Impacts of Ocean Bottom Roughness and Tidal Flow Amplitude on Abyssal Mixing, Japan Geoscience Union Meeting 2016, Chiba, Japan, May 22, 2016.
  • Ijichi, T., and T. Hibiya: Eikonal Simulations for Energy Transfer in the Deep-Ocean Internal Wave Field near Mixing Hotspots, Japan Geoscience Union Meeting 2016, Chiba, Japan, May 22, 2016.
  • Onuki Y., and T. Hibiya: Geography of the attenuation rates of baroclinic tidal energy estimated using wave-wave interaction theory, Japan Geoscience Union Meeting 2016, Chiba, Japan, May 22, 2016.
  • Tanaka, Y., T. Hibiya, and H. Sasaki: Downward lee wave radiation from tropical instability waves in the central equatorial Pacific Ocean: a possible energy pathway to turbulent mixing, 2016 Ocean Sciences Meeting, New Orleans, USA, February 24, 2016.
  • Onuki, Y., and T. Hibiya: Estimates of the attenuation rates of baroclinic tidal energy caused by resonant interactions among internal waves based on the weak turbulence theory, 2016 Ocean Sciences Meeting, New Orleans, USA, February 23, 2016.
  • Ijichi, T., and T. Hibiya: Eikonal simulations for the energy transfer in the deep ocean internal wave field near mixing hotspots, 2016 Ocean Sciences Meeting, New Orleans, USA, February 22, 2016.
  • Hibiya, T., R. Robertson, and T. Takagi: Dynamical analysis of the enhanced turbulent mixing over a rough ocean bottom, 2016 Ocean Sciences Meeting, New Orleans, USA, February 22, 2016.

2015

  • Inazu, D., T. Waseda, and T. Hibiya: Measuring great tsunamis using GNSS-based ship height positioning and its use for early warning, 9th ACES International Workshop, Chengdu, China, August 13, 2015 (Invited).
  • Nagai, T., and T. Hibiya: Effects of tidally induced eddies on sporadic Kuroshio-water intrusion (kyucho), Asia Oceania Geosciences Society, Singapore, August 5, 2015.
  • Inazu, D., T. Waseda, and T. Hibiya: Possibilities of measuring great tsunamis using GNSS-based ship height positioning, International Union of Geodesy and Geophysics (IUGG) 2015, Prague, Czech Republic, June 29, 2015.
  • Hibiya, T., and T. Takagi: Assessment of parameterization of enhanced turbulent mixing over rough topography in the abyssal ocean, International Union of Geodesy and Geophysics (IUGG) 2015, Prague, Czech Republic, June 30, 2015.
  • Ijichi, T., and T. Hibiya: Frequency-based correction of finescale parameterization of turbulent dissipation in the ocean interior, International Union of Geodesy and Geophysics (IUGG) 2015, Prague, Czech Republic, June 30, 2015.
  • Nagai, T., and T. Hibiya: Internal tides and associated vertical mixing in the Indonesian Archipelago, International Union of Geodesy and Geophysics (IUGG) 2015, Prague, Czech Republic, June 30, 2015.
  • Onuki, Y., and T. Hibiya: Estimates of the attenuation rates of baroclinic tidal waves caused by resonant interactions with the background internal wave continuum, International Union of Geodesy and Geophysics (IUGG) 2015, Prague, Czech Republic, June 30, 2015.
  • Tanaka, Y., T. Hibiya, and H. Sasaki: Downward "lee wave" radiation from tropical instability waves in the central equatorial Pacific: a possible energy pathway to turbulent mixing, International Union of Geodesy and Geophysics (IUGG) 2015, Prague, Czech Republic, July 1, 2015.

2014

  • Onuki, Y., and T. Hibiya: Excitation mechanism of near-inertial currents in baroclinic tidal flow caused by Parametric Subharmonic Instability, Asia Oceania Geosciences Society, Sapporo, Japan, July 28, 2014.
  • Niwa, Y., and T. Hibiya: Generation of baroclinic tide energy in a global three-dimensional numerical model with different spatial grid resolution, Asia Oceania Geosciences Society, Sapporo, Japan, July 28, 2014.
  • Hibiya, T., and T. Takagi: Assessment of parameterization of enhanced turbulent mixing over rough bottom bathymetry, Asia Oceania Geosciences Society, Sapporo, Japan, July 28, 2014.
  • Nishina, A., H. Nakamura, J. H. Park, D. Hasegawa, and T. Hibiya: Deep water formation process in the Okinawa Trough, Ocean Sciences Meeting, Honolulu, USA, February 26, 2014.
  • Furuichi, N., and T. Hibiya: Assessment of turbulence closure models for oceanic mixed layer processes using a large eddy simulation model, Ocean Sciences Meeting, Honolulu, USA, February 26, 2014.
  • Tanaka, Y., T. Hibiya, and H. Sasaki: Global estimates of internal wave energy flux radiating from geostrophic flows based on a high-resolution numerical model, Ocean Sciences Meeting, Honolulu, USA, February 24, 2014.
  • Hibiya, T., N. Furuichi, and R. Robertson: Assessment of fine-scale parameterizations of turbulent dissipation in the vicinity of deep ocean mixing hotspots, Ocean Sciences Meeting, Honolulu, USA, February 24, 2014.

2013

  • Niwa, Y., and T. Hibiya: Generation of baroclinic tide energy in global three-dimensional numerical models with different spatial grid resolution, IAHS/IAPSO/IASPEI Joint Assembly, Gothenburg, Sweden, July 25, 2013.
  • Hibiya, T., N. Furuichi, and R. Robertson: Assessment of fine-scale parameterizations of turbulent dissipation rates near mixing hotspots in the deep ocean, IAHS/IAPSO/IASPEI Joint Assembly, Gothenburg, Sweden, July 24, 2013.
  • Tanaka, Y., I. Yasuda, S. Osafune, T. Tanaka, J. Nishioka, and Y. N. Volkov: Internal Tides and Turbulent Mixing Observed in the Bussol Strait, Asia Oceania Geosciences Society, Brisbane, Australia, June 26, 2013.
  • Ijichi, T., and T. Hibiya: Assessment of Fine-Scale Parameterizations of Turbulent Dissipation Rates in the Deep Ocean Using a Multi-Scale Profiler, Asia Oceania Geosciences Society, Brisbane, Australia, June 26, 2013.
  • Hibiya, T., and M. Watanabe: Performance Check of Mixed Layer Models Incorporated into an Ocean General Circulation Model, Asia Oceania Geosciences Society, Brisbane, Australia, June 26, 2013.

2012

  • Niwa, Y., and T. Hibiya: Estimation of Baroclinic Tide Energy Available for Deep Ocean Mixing Based on Three-dimensional Global Numerical Simulations, Asia Oceania Geoscience Society (AOGS) – American Geophysical Union (AGU) (Western Pacific Geophysics Meeting (WPGM)) Joint Assembly 2012, Singapore, August 16, 2012.
  • Hibiya, T., and N. Iwamae: Numerical Study of Tide-Induced Mixing Over Rough Bathymetry, Asia Oceania Geoscience Society (AOGS) – American Geophysical Union (AGU) (Western Pacific Geophysics Meeting (WPGM)) Joint Assembly 2012, Singapore, August 16, 2012.
  • Watanabe, M., and T. Hibiya: Assessment of Mixed Layer Models Embedded in an Ocean General Circulation Model, Asia Oceania Geoscience Society (AOGS) – American Geophysical Union (AGU) (Western Pacific Geophysics Meeting (WPGM)) Joint Assembly 2012, Singapore, August 16, 2012.
  • Niwa, Y., and T. Hibiya: Estimation of baroclinic tide energy available for deep ocean mixing based on three-dimensional global numerical simulations, 2012 Ocean Sciences Meeting, Salt Lake City, Utah, U.S.A., February 20, 2012.
  • Tanaka, Y., I. Yasuda, H. Hasumi, H. Tatebe, and S. Osafune: Effects of the 18.6-year modulation of tidal mixing on bidecadal climate variability in the North Pacific, Ocean Sciences Meeting, Salt Lake City, USA, February 2012.

2011

  • Hibiya, T.: Assessment of Fine-Scale Parameterization of Diapycnal Diffusivity Near Mixing Hotspots, International Union of Geodesy and Geophysics (IUGG) 2011, Melbourne, Australia, June 29, 2011.
  • Tanaka, Y., T. Hibiya, and Y. Niwa: Assessment of the Effects of Tidal Mixing in the Kuril Straits on the Formation of the North Pacific Intermediate Water, International Union of Geodesy and Geophysics (IUGG) 2011, Melbourne, Australia, June 29, 2011.
  • Furuichi, N., T. Hibiya, and Y. Niwa: Assessment of Turbulence Closure Models for Resonant Inertial Response in the Oceanic Mixed Layer Using Large Eddy Simulations, International Union of Geodesy and Geophysics (IUGG) 2011, Melbourne, Australia, June 29, 2011.
  • Furuichi, N., T. Hibiya, and Y. Niwa: Model-Predicted Distribution of Wind-Induced Internal Wave Energy in the World’s Oceans, International Union of Geodesy and Geophysics (IUGG) 2011, Melbourne, Australia, June 28, 2011.
  • Hibiya, T., Y. Sugiyama, and Y. Niwa: Numerically Reproduced Internal Wave Spectra in the Deep Ocean, International Union of Geodesy and Geophysics (IUGG) 2011, Melbourne, Australia, June 28, 2011.

2010

  • Endoh, T., H. Tsujino, and T. Hibiya: The Effect of Koshu Seamount on the Formation of the Kuroshio Large Meander South of Japan, American Geophysical Union (AGU) 2010 Fall meeting, Moscone South, San Francisco, U.S.A., December 15, 2010.
  • Suga T., C. Sukigara, T. Saino, K. Toyama, D. Yanagimoto, K. Hanawa, N. Shikama, K. Tsubono, T. Kobayashi, S. Hosoda, T. Hibiya, and N. Furuichi: Subsurface new production in the northwestern subtropical North Pacific fueled by nutrients from the Subtropical Mode Water, American Geophysical Union (AGU) 2010 Fall meeting, Moscone South, San Francisco, U.S.A., December 15, 2010.
  • Niwa Y, and T. Hibiya: Numerically Predicted Distribution of Internal Tide Energy in the Global Ocean, American Geophysical Union (AGU) 2010 Fall meeting, Moscone South, San Francisco, U.S.A., December 13, 2010.
  • Hibiya T.: Theoretical and Observational Studies of the Global Mapping of DiapycnalDiffusivity in the World’s Deep Oceans, 2010 Western Pacific Geophysics Meeting, Taipei International Convention Center, Taipei, Taiwan, 24th Jun., 2010 (INVITED TALK).
  • Hibiya T.: Theoretical and observational studies of the global mapping of diapycnal diffusivity in the world’s deep oceans, Seoul National University, Seoul, Korea, 9th June, 2010 (INVITED TALK).
  • Mohri, K., T. Hibiya, and N. Iwamae: Revisiting internal wave generation by tide-topography interaction, 2010 Ocean Sciences Meeting, Oregon Convention Center, Portland, Oregon, U.S.A., 25th, Feb., 2010.
  • Tanaka, Y., T. Hibiya, Y. Niwa, and N. Iwamae: Numerical study of K1 internal tides in the Kuril Straits, 2010 Ocean Sciences Meeting, Oregon Convention Center, Portland, Oregon, U.S.A., 25th, Feb., 2010.
  • Yokota, K., K. Katsumata, T. Hibiya, M. Yamashita, Y. Fukao, S. Kodaira, and S. Miura: Finescale strain distribution estimated by Multi-Channel Seismic data, 2010 Ocean Sciences Meeting, Oregon Convention Center, Portland, Oregon, U.S.A., 24th, Feb., 2010.
  • Furuichi, N., T. Hibiya, and Y. Niwa: Model-predicted distribution of wind-induced near-inertial wave energy in the world’s oceans, 2010 Ocean Sciences Meeting, Oregon Convention Center, Portland, Oregon, U.S.A., 22th, Feb., 2010.

2009

  • Hibiya, T., M. Nagasawa, and Y. Niwa : Theoretical and observational studies of the global distribution of diapycnal diffusivity in the deep ocean, The 15th Pacific Asian Marginal Seas (PAMS) Meeting, Novotel Ambassador Hotel, Busan, Korea, April 24, 2009 (INVITED TALK).

2008

  • Endoh, T., and T. Hibiya : Evidence for the interaction between the trigger meander of the Kuroshio and the abyssal anticyclone over Koshu Seamount in the reanalysis data, American Geophysical Union (AGU) 2008 Fall meeting, Moscone South, San Francisco, U.S.A., December 18, 2008.
  • Hibiya, T., Y. Sugiyama, and Y. Niwa : Numerically reproduced quasi-stationary internal wave spectra in the deep ocean, The Workshop sponsored by Pacific Institute for the Mathematical Sciences, Applied Physics Laboratory, University of Washington, Seattle, U.S.A., October 3, 2008.
  • Iwamae, N., T. Hibiya : Effect of fine-scale topography on tide-induced mixing, The 5th Annual Meeting of the Asia Oceania Geosciences Society (AOGS), Busan Exhibition and Convention Center, Busan, Korea, June 20, 2008.
  • Furuichi, N., T. Hibiya, and Y. Niwa : Model predicted distribution of wind-induced internal wave energy in the world's oceans, The 5th Annual Meeting of the Asia Oceania Geosciences Society (AOGS), Busan Exhibition and Convention Center, Busan, Korea, June 20, 2008.
  • Furuichi, N., Y. Niwa, and T. Hibiya : Global mapping of wind-induced internal wave energy in the deep ocean, 2008 Ocean Sciences Meeting, オレンジ郡学会場, オーランド, アメリカ合衆国, 2008年3月6日.
  • Iwamae, N., T. Hibiya, and M. Watanabe : Numerical study of the bottom-confined intense mixing using an "eikonal approach", 2008 Ocean Sciences Meeting, オレンジ郡学会場, オーランド, アメリカ合衆国, 2008年3月6日.

2007

  • Endoh, T., and T. Hibiya : Meridional overturning circulation of the deep Pacific estimated assuming the vertical advective-diffusive balance, American Geophysical Union (AGU) 2007 Fall meeting, Moscone West, San Francisco, U.S.A., December 12, 2007.
  • Iwamae, N., T. Hibiya, and M. Watanabe : Numerical study of the tidally induced bottom-confined mixing, Japan-Korea joint seminar on physical processes in the ocean and it's parameterization, Sanjo Kaikan Hall, University of Tokyo, Tokyo, Japan, December 11, 2007.
  • Yokota, K., T. Hibiya, M. Nagasawa, and S. Takagi : Assessment of fine-scale parameterizations for deep ocean mixing using microstructure profilers, Japan-Korea joint seminar on physical processes in the ocean and it's parameterization, Sanjo Kaikan Hall, University of Tokyo, Tokyo, Japan, December 11, 2007.
  • Tanaka, Y., T. Hibiya, and Y. Niwa : Estimates of tidal energy dissipation and diapycnal diffusivity in the Kuril Straits using TOPEX/POSEIDON altimeter data, Japan-Korea joint seminar on physical processes in the ocean and it's parameterization, Sanjo Kaikan Hall, University of Tokyo, Tokyo, Japan, December 11, 2007.
  • Furuichi, N., Y. Niwa, and T. Hibiya : Model predicted distribution of wind-induced internal wave energy in the world's oceans, Japan-Korea joint seminar on physical processes in the ocean and it's parameterization, Sanjo Kaikan Hall, University of Tokyo, Tokyo, Japan, December 11, 2007.
  • Noh, Y., T. Hibiya, and J-H Yoon : LES of the ocean mixed layer under stabilizing surface heating and its parameterization, Japan-Korea joint seminar on physical processes in the ocean and it's parameterization, Sanjo Kaikan Hall, University of Tokyo, Tokyo, Japan, December 11, 2007.
  • Hibiya, T., M. Nagasawa, and Y. Niwa : Latitudinal dependence of diapycnal diffusivity in the thermocline observed using a microstructure profiler, Japan-Korea joint seminar on physical processes in the ocean and it's parameterization, Sanjo Kaikan Hall, University of Tokyo, Tokyo, Japan, December 11, 2007.
  • Watanabe, M., T. Hibiya : Energetics of wind-induced turbulent mixing in the ocean, The XXIV General Assembly of the International Union of Geodesy and Geophysics (IUGG), The University of Perugia, Perugia, Italy, July 4, 2007.
  • Tanaka, Y., T. Hibiya, and Y. Niwa : Estimates of tidal energy dissipation and diapycnal diffusivity in the Kuril Straits using TOPEX/Poseidon altimeter data, The XXIV General Assembly of the International Union of Geodesy and Geophysics (IUGG), The University of Perugia, Perugia, Italy, July 3, 2007.
  • Hibiya, T., M. Nagasawa, and Y. Niwa : Mapping of mixing hotspots in the world deep oceans, The XXIV General Assembly of the International Union of Geodesy and Geophysics (IUGG), The University of Perugia, Perugia, Italy, July 4, 2007.
  • Hibiya, T. : Mapping of mixing hotspots in the world's oceans, Korea-Japan Physical Oceanography Workshop, Yonsei University, Korea, March 8, 2007 (INVITED TALK).
  • Watanabe, M., and T. Hibiya : Global estimates of the wind-induced energy flux to inertial motions in the surface mixed layer, COE International Workshop on Turbulence in the Ocean, Atmosphere and Space, Tetsumon Memorial Hall, University of Tokyo, Tokyo, Japan, January 15, 2007.
  • Furuichi, N., T. Hibiya, and Y. Niwa : Bispectral analysis of energy transfer within the two-dimensional oceanic internal wave field, COE International Workshop on Turbulence in the Ocean, Atmosphere and Space, Tetsumon Memorial Hall, University of Tokyo, Tokyo, Japan, January 15, 2007.
  • Iwamae, N., T. Hibiya, and Y. Niwa : Numerical study of enhanced energy dissipation near a seamount, COE International Workshop on Turbulence in the Ocean, Atmosphere and Space, Tetsumon Memorial Hall, University of Tokyo, Tokyo, Japan, January 15, 2007.

2006

  • Hibiya, T. : Global mapping of mixing hotspots in the deep ocean, TAO (Topics of Atmosphere and Ocean) Seminar, University of Victoria, Victoria, Canada, December 7, 2006.
  • Hibiya, T. : Global mapping of mixing hotspots in the deep ocean, Physical Oceanography Seminar, University of Rhode Island, Rhode Island, U.S.A., November 17, 2006.
  • Hibiya, T. : Global mapping of mixing hotspots in the deep ocean, Physical Oceanography Seminar, Woods Hole Oceanographic Institution, Woods Hole, U.S.A., November 14, 2006.
  • Furuichi, N., T. Hibiya, and Y. Niwa : Bispectral analysis of energy transfer within the two-dimensional oceanic internal wave field, Ocean Science Meeting, Honolulu, U.S.A., February 21, 2006.
  • Iwamae, N., Y. Niwa, and T. Hibiya : Numerical study of energy cascade processes over a seamount, Ocean Science Meeting, Honolulu, U.S.A., February 21, 2006.
  • Hibiya, T., M. Nagasawa, and Y. Niwa : Identification of mixing hotspots in the world ocean, Ocean Science Meeting, Honolulu, U.S.A., February 23, 2006.

2005

  • Hibiya, T., M. Nagasawa, and Y. Niwa : Mapping of mixing hotsopts in the world’s ocean, “Dynamic Planet 2005” (A joint meeting of the IAG, IAPSO and IABO), Cairns Convention Center, Cairns, Australia, August 23, 2005 (INVITED TALK).

2004

  • Hibiya, T., M. Nagasawa, and Y. Niwa : Global mapping of diapycnal diffusivity in the deep ocean, IAPSO/SCOR Ocean Mixing Conference, Victoria Conference Center, Victoria, Canada, October 13, 2004 (INVITED TALK).
  • Furuichi, N., Y. Niwa and T. Hibiya : Bispectral analysis of energy cascade within the deep ocean internal wave spectrum, European Geosciences Union, 1st General Assembly, Nice, France, April 29, 2004.
  • Hibiya, T., M. Nagasawa and Y. Niwa : Global mapping of diapycnal diffusivity in the deep ocean based on the results of XCP surveys, European Geosciences Union, 1st General Assembly, Nice, France, April 29, 2004.
  • Hibiya, T., and M. Nagasawa : Latitudinal dependence of diapycnal diffusivity in the deep ocean, 2004 Ocean Sciences Meeting, Portland Convention Center, Portland, Oregon, U.S.A., January 26, 2004 (INVITED TALK).
  • Hibiya, T. : Parameterization of diapycnal mixing processes in the deep ocean for next-generation global circulation models, International Symposium on Predictability of the Evolution and Variation of the Multi-scale earth System, Sanjo Kaikan Hall, University of Tokyo, Tokyo, Japan, January 8, 2004 (INVITED TALK).

2003

  • Endoh, T., and T. Hibiya : Numerical simulation of the transient response of the Kuroshio leading to the large meander formation south of Japan, The XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Kosei Nenkin Kaikan , Sapporo, Japan, July 1, 2003.
  • Iwamae, N., Y. Niwa, and T. Hibiya : Nonlinear responses of the deep ocean internal wave field to the M2 internal tidal forcing at mid and high latitudes, The XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Kosei Nenkin Kaikan, Sapporo, Japan, July 1, 2003.
  • Niwa, Y., and T. Hibiya : Three-dimensional numerical simulation of the M2 internal tides in the Pacific Ocean, The XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Kosei Nenkin Kaikan, Sapporo, Japan, July 1, 2003.
  • Watanabe, M., and T. Hibiya : Global estimates of the wind-induced energy flux to inertial motions in the surface mixed layer, The XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Kosei Nenkin Kaikan, Sapporo, Japan, July 1, 2003.
  • Watanabe, M., and T. Hibiya : Three-dimensional study of physical proceses controlling the intensity of diapycnal mixing in the deep ocean, The XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Kosei Nenkin Kaikan, Sapporo, Japan, July 1, 2003.
  • Nagasawa, M., T. Hibiya, Y. Niwa, N. Furuichi, and S. Takag : High and mid latitude observations of near-inertial current shear in the deep ocean using expendable current profilers, The XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Sapporo Media Park, SPICA , Sapporo, Japan, June 30, 2003.
  • Hibiya, T., M. Nagasawa, Y. Niwa, M. Watanabe, N.Furuichi, Y. Kitade, Y. Kawamura, H. van Haren, and H. van Aken : Global mapping of diapycnal diffusivity in the deep ocean using fine-scale vertical shear measured by expendable current profilers, The XXIII General Assembly of the International Union of Geodesy and Geophysics (IUGG), Kosei Nenkin Kaikan, Sapporo, Japan, June 30, 2003 (INVITED TALK).
  • Niwa, Y. and T. Hibiya : Three-dimensional numerical simulation of the M2 internal tides generated around the continental shelf edge of the East China Sea, Acropolis, Nice, France, EGS-AGU-EUG Joint Assembly, April 8, 2003.
  • Hibiya, T., M. Nagasawa, Y. Niwa, M. Watanabe, N. Furuichi, Y. Kitade, Y. Kawamura and H. van Haren : Global mapping of diapycnal diffusivity in the deep ocean based on fine-scale vertical shear observed by expendable current profilers, Acropolis, Nice, France, EGS-AGU- EUG Joint Assembly, April 8, 2003.

2002

  • Hibiya, T., M. Nagasawa and Y. Niwa : Spatial distribution of the internal wave energy available for deep water mixing in the North Pacific, XXVII General Assembly of the European Geophysical Society, Acropolis, Nice, France, April 24, 2002 (INVITED TALK).
  • Hibiya, T., M. Nagasawa, and Y. Niwa : Nonlinear energy transfer within the oceanic internal wave spectrum at mid- and high-latitudes, 2002 Ocean Sciences Meeting, Honolulu, Hawaii, U.S.A., Feburuary 15, 2002.

2000

  • Endoh, T., and T. Hibiya : Numerical study of the generation and propagation of trigger meanders of the Kuroshio south of Japan, 2000 Western Pacific Geophysical Meeting, Tokyo, June 2000.
  • Niwa, Y., and T. Hibiya : Numerical study of the spatial distribution of internal tidal energy in the North Pacific, 2000 Western Pacific Geophysics Meeting, Tokyo, June 2000.
  • Hibiya, T., M. Nagasawa, and Y. Niwa : Model predicted distribution of the wind-induced internal wave energy available for deep water mixing in the North Pacific, 2000 Western Pacific Geophysics Meeting, Tokyo, June 2000.
  • Endoh, T. and T. Hibiya : Numerical study of the generation and propagation of trigger meanders of the Kuroshio south of Japan, American Society of Limnology and Oceanography, American Geophysical Union, San Antonio, Texas, U.S.A., January 26, 2000.
  • Niwa, Y., and T. Hibiya : Spatial distribution of internal tides in the North Pacific predicted using a three-dimensional numerical model, 2000 Ocean Sciences Meeting, American Society of Limnology and Oceanography, American Geophysical Union, San Antonio, Texas, U.S.A., January 25, 2000.
  • Nagasawa, M., Y. Niwa, and T. Hibiya : Spatial and temporal distribution of the wind-induced internal wave energy available for deep water mixing in the North Pacific, 2000 Ocean Sciences Meeting, American Society of Limnology and Oceanography, American Geophysical Union, San Antonio, Texas, U.S.A., January 24, 2000.

1999

  • Hibiya, T., M. Nagasawa, and Y. Niwa : Model predicted global distribution of internal wave energy available for diapycnal mixing processes in the deep ocean, The Workshop on "The Development of the Next-Generation Climate Models", The University of Tokyo, Tokyo, March 10, 1999 (INVITED TALK).
  • Hibiya, T., M. Nagasawa, and Y. Niwa : Model predicted global distribution of internal wave energy available for diapycnal mixing processes in the deep ocean, 11th 'Aha Huliko'a Hawaiian Winter Workshop, Honolulu, Hawaii, U.S.A., January 19, 1999 (INVITED TALK).

1998

  • Hibiya, T. : Numerical experiments of nonlinear energy transfer within the oceanic internal wave spectrum, Physical Oceanography Seminar in the Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, U.S.A., March 10, 1998.
  • Hibiya, T. : Numerical experiments of nonlinear energy transfer within the oceanic internal wave spectrum, Physical Oceanography Seminar in the Department of Physical Oceanography, University of Rhode Island, Rhode Island, U.S.A., March 7, 1998.
  • Kanari, S., T. Matsuno, T. Hibiya, and J. Yoshida : Fine- and micro-structure measurement systems developed in the Japan-GOOS, UNESCO/IOC/WESTPAC 4th International Scientific Symposium, February 1998.
  • Hibiya, T. : Numerical experiments of nonlinear energy transfer within the oceanic internal wave spectrum, Physical Oceanography Seminar in the North-West Research Associates, Bellevue, Washington, U.S.A., January 20, 1998.

1997

  • Hibiya, T., and Y. Niwa : Direct numerical simulation of the nonlinear energy transfers within an internal wave spectrum in the ocean, 29th International Liege Colloquim on Ocean Hydrodynamics, “Marine Turbulence Revisited”, University of Liege, Liege, Belgium, May 5-9, 1997.

1996

  • Niwa, Y., and T. Hibiya : Nonlinear processes of energy transfer from traveling hurricanes to the deep ocean internal wave field, 1996 AGU Fall Meeting, San Francisco Moscone Center, San Francisco, California, U.S.A., December 16, 1996.
  • Hibiya, T. : Direct numerical simulation of the rolloff range of internal wave shear spectra in the ocean, Applied Physics Laboratory Special Seminar, Applied Physics Laboratory, University of Washington, Seattle, Washington, U.S.A., February 21, 1996.

1995

  • Matsuno, T., S. Kanari, T. Hibiya, C. Kobayashi, and S. Yanao : Vertical mixing near the continental shelf break in the East China Sea and intrusion of shelf water into the Kuroshio, JSPS-VCC Joint seminar on marine Science, University Pertanian Malaysia, December 6, 1995.
  • Hibiya, T. : Generation mechanism of internal waves by a strong tidal flow over topographic features, JSPS-VCC Joint seminar on marine Science, University Pertanian Malaysia, December 6, 1995.
  • Hibiya, T., Y. Niwa, K. Nakajima, and N. Suginohara : Direct numerical simulation of the rolloff range of internal wave shear spectra in the ocean, The XXI General Assembly of the International Association for the Physical Sciences of the Oceans (IAPSO), Hilton Hawaiian Village, Honolulu, Hawaii, U.S.A., August 7, 1995 (INVITED TALK).

1990

  • Hibiya, T., P. H. LeBlond : The control of fjord circulation by fortnightly modulation of tidal mixing processes, 1990 MSA/AGU Spring Meeting, Baltimore Convention Center, Baltimore, Maryland, U.S.A., May 29, 1990.

1989

  • Hibiya, T. : Generation mechanism of internal waves by a strong tidal flow over topographic features, Physical Oceanography Seminar in the Institute of Ocean Science, Sidney, British Columbia, Canada, October 26, 1989.

1988

  • Hibiya, T. : Generation mechanism of internal waves by a vertically sheared tidal flow over a sill, 1988 AGU Fall meeting, San Francisco, U.S.A., December 8, 1988.
  • Hibiya, T. : The generation of internal wave by tidal flow over Stellwagen Bank, Ocean Sciences Meeting, Hyatt Regency, New Orleans, Louisiana, U.S.A., January 19, 1988.
  • Matsuura, T., and T. Hibiya : Generation of internal tides over a large amplitude sill, Ocean Sciences Meeting, Hyatt Regency, New Orleans, Louisiana, January 19, 1988.

1987

  • Hibiya, T. : The generation of internal waves by tidal flow over Stellwagen Bank, The XIX General Assembly of the International Union of Geodesy and Geophysics (IUGG), University of British Columbia, Vancouver, Canada, August 14, 1987.
  • Matsuura, T. and T. Hibiya : Generation of internal tides over an asymmetric sill with a finite amplitude, The XIX General Assembly of the International Union of Geodesy and Geophysics (IUGG), University of British Columbia, Vancouver, Canada, August 14, 1987.

1986

  • Hibiya, T. : Generation mechanism of internal waves by tidal flow over a sill, International Symposium on Physics of Shallow Bays, Estuaries and Continental Shelves, Shandong College of Oceanography, Qingdao, China, November 4, 1986.

1983

  • Hibiya, T. : Excitation mechanisms of the “Abiki” phenomenon (a kind of seiche) in Nagasaki Bay, The XVIII General Assembly of the International Union Geodesy and Geophysics (IUGG), Hamburg, Germany, Aug.19, 1983.