Yuki Tanaka's Web Page

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Atmospheric and Oceanic Science Group, Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo

Yuki TANAKA

PROFILE

• Name: Yuki TANAKA
• Date of Birth: July 2, 1981
• Place of Birth: Sayama-shi, Saitama-ken, Japan

OFFICE ADDRESS

• Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo
• 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
• Phone: +81-3-5841-4285
• E-mail: yuki.tanaka (at) eps.s.u-tokyo.ac.jp

EDUCATION

	Ph.D.	Graduate School of Science, The University of Tokyo, Tokyo, Japan, March 2010.
		Thesis title: Evaluation of tidal mixing in the Kuril Straits and its impact on the formation of North Pacific Intermediate Water
		Thesis supervisor: Professor Toshiyuki Hibiya
	M.S.	Graduate School of Science, The University of Tokyo, Tokyo, Japan, March 2007.
	B.S.	Graduate School of Science, The University of Tokyo, Tokyo, Japan, March 2005.

EMPLOYMENT

	Apr 2012 - Present:	Assistant Professor, Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Tokyo, Japan.
	Apr 2010 - Mar 2012:	Postdoctoral Researcher, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan.
	Apr 2008 - Mar 2010:	Research Fellow of the Japan Society for the Promotion of Science, Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, Tokyo, Japan.

RESEARCH INTEREST

• Internal wave generation by tide-topography interaction in the deep ocean
• Internal wave radiation from large-scale ocean currents
• Dynamics of topographically and equatorially trapped waves
• Diapycnal mixing caused by breaking internal waves
• Effects of diapycnal mixing on large-scale ocean and climate processes
• Variability of large-scale ocean currents

PUBLICATIONS (REFEREED ARTICLE)

• Tanaka, Y., and T. Hibiya, 2019: Generation mechanism of tropical instability waves in the equatorial Pacific Ocean, Journal of Physical Oceanography, 49, 2901-2915, doi:10.1175/JPO-D-19-0094.1.
• Yang, W., T. Hibiya, Y. Tanaka, L. Zhao, and H. Wei, 2019: Diagnostics and energetics of the topographic Rossby waves generated by a typhoon propagating over the ocean with a continental shelf slope, Journal of Oceanography, 75, 503-512, https://doi.org/10.1007/s10872-019-00518-5.
• Onuki, Y., and Y. Tanaka, 2019: Instabilities of finite-amplitude internal wave beams, Geophysical Research Letters, 46, 7527-7535, https://doi.org/10.1029/2019GL082570.
• Yang, W., T. Hibiya, Y. Tanaka, L. Zhao, and H. Wei, 2018: Modification of parametric subharmonic instability in the presence of background geostrophic currents, Geophysical Research Letters, 45, 12957-12962, doi:10.1029/2018GL080183.
• Tatebe, H., Y. Tanaka, Y. Komuro, and H. Hasumi, 2018: Impact of deep ocean mixing on the climatic mean state in the Southern Ocean, Scientific Reports, 8:14479, doi:10.1038/s41598-018-32768-6.
• Tanaka, Y., and T. Hibiya, 2017: Effects of Koshu Seamount on the development of baroclinic instability leading to the Kuroshio large meander, Journal of Physical Oceanography, 47, 2563-2576, doi:10.1175/JPO-D-17-0050.1.
• Nishina, A., H. Nakamura, J.-H. Park, D. Hasegawa, Y. Tanaka, S. Seo, and T. Hibiya, 2016: Deep ventilation in the Okinawa Trough induced by Kerama Gap overflow, Journal of Geophysical Research-Oceans, 121, 6092-6102, doi:10.1002/2016JC011822.
• Tanaka, Y., T. Hibiya, and H. Sasaki, 2015: Downward lee wave radiation from tropical instability waves in the central equatorial Pacific Ocean: A possible energy pathway to turbulent mixing, Journal of Geophysical Research-Oceans, 120, 7137-7149, doi:10.1002/2015JC011017.
• Yagi, M., I. Yasuda, T. Tanaka, Y. Tanaka, K. Ono, K. I. Ohshima, and K. Katsumata, 2014: Re-evaluation of turbulent mixing vertical structure in the Bussol' Strait and its impact on water-masses in the Okhotsk Sea and the North Pacific, Progress in Oceanography, 126, 121-134.
• Itoh, S., Y. Tanaka, S. Osafune, I. Yasuda, M. Yagi, H. Kaneko, S. Konda, J. Nishioka, and Y. N. Volkov, 2014: Direct breaking of large-amplitude internal waves in the Urup Strait, Progress in Oceanography, 126, 109-120.
• Tanaka, Y., I. Yasuda, S. Osafune, T. Tanaka, J. Nishioka, and Y. N. Volkov, 2014: Internal tides and turbulent mixing observed in the Bussol Strait, Progress in Oceanography, 126, 98-108.
• Tanaka, T., I. Yasuda, Y. Tanaka, and G. S. Carter, 2013: Numerical study on tidal mixing along the shelf break in the Green Belt in the southeastern Bering Sea, Journal of Geophysical Research-Oceans, 118, doi:10.1002/2013JC009113.
• Tanaka, Y., I. Yasuda, H. Hasumi, H. Tatebe, and S. Osafune, 2012: Effects of the 18.6-year modulation of tidal mixing on the North Pacific bidecadal climate variability in a coupled climate model, Journal of Climate, 25, 7625-7642.
• Tanaka, Y., T. Hibiya, and Y. Niwa, 2010b: Assessment of the effects of tidal mixing in the Kuril Straits on the formation of the North Pacific Intermediate Water, Journal of Physical Oceanography, 40, 2569-2574.
• Tanaka, Y., T. Hibiya, Y. Niwa, and N. Iwamae, 2010a: Numerical study of K1 internal tides in the Kuril straits, Journal of Geophysical Research-Oceans, 115, C09016, doi:10.1029/2009JC005903.
• Tanaka, Y., T. Hibiya, and Y. Niwa, 2007: Estimates of tidal energy dissipation and diapycnal diffusivity in the Kuril Straits using TOPEX/POSEIDON altimeter data, Journal of Geophysical Research-Oceans, 112, C10021, doi:10.1029/2007JC004172.
• Nagasawa, M., T. Hibiya, K. Yokota, Y. Tanaka, and S. Takagi, 2007: Microstructure measurements in the mid-depth waters of the North Pacific, Geophysical Research Letters, 34, L05608, doi:10.1029/2006GL028695 (AGU Journal Highlight).

PRESENTATIONS

• Onuki, Y., and Y. Tanaka: Instabilities of finite-amplitude internal wave beams, Ocean Sciences Meeting 2020, San Diego, USA, February 2020.
• Tatebe, H., T. Kawasaki, Y. Tanaka, I. Yasuda, and H. Hasumi: Numerical reevaluation of the tide-induced 18.6-year climate variability over the Pacific using a climate model with an eddy-permitting OGCM, Ocean Sciences Meeting 2020, San Diego, USA, February 2020 (poster).
• Tanaka, Y., and T. Hibiya: Generation mechanism of tropical instability waves in the equatorial Pacific Ocean, First International Conference on Ocean Fronts and Eddies (ICOFE-1), Zhoushan, China, October 2019.
• Tanaka, Y., and T. Hibiya: Effects of Koshu Seamount on the development of baroclinic instability leading to the Kuroshio large meander, First International Conference on Ocean Fronts and Eddies (ICOFE-1), Zhoushan, China, October 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, 2019 (poster).
• Onuki, Y., and Y. Tanaka: Instabilities of finite-amplitude internal wave beams, Japan Geoscience Union Meeting 2019, Chiba, Japan, May 2019.
• Tanaka, Y., and T. Hibiya: Baroclinic instability over Koshu Seamount leading to the Kuroshio large meander, 2018 Ocean Sciences Meeting, Portland, USA, February 2018 (poster).
• 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 2018.
• 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 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 2017 (poster).
• 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 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 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 2016 (poster).
• 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, 26th International Union of Geodesy and Geophysics (IUGG) General Assembly, Prague, Czech Republic, July 2015.
• Itoh, S., Y. Tanaka, S. Osafune, I. Yasuda, and M. Yagi: Direct breaking of large-amplitude internal waves in the Urup Strait, Kuril Islands, 2014 Ocean Sciences Meeting, Honolulu, USA, February 2014 (poster).
• Yasuda, I., Y. Tanaka, S. Itoh, H. Hasumi, and S. Osafune: Observation and modeling of turbulent mixing in the Kuril Straits and impact of its 18.6-year period tidal cycle on ocean and climate, 2014 Ocean Sciences Meeting, Honolulu, USA, February 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, 2014 Ocean Sciences Meeting, Honolulu, USA, February 2014 (poster).
• Yasuda, I., Y. Tanaka, S. Itoh, H. Hasumi, S. Osafune, T. Tanaka, M. Yagi, and H. Tatebe: Observation and modelling of turbulent mixing in the Kuril Straits and impact of its 18.6-year period tidal cycle on ocean and climate, IAHS/IAPSO/IASPEI Joint Assembly, Gothenburg, Sweden, July 2013.
• Tanaka, T., I. Yasuda, and Y. Tanaka: Numerical study on tidal mixing along the shelf break in the southeastern Bering Sea, Asia Oceania Geosciences Society (AOGS) 10th Annual Meeting, Brisbane, Australia, June 2013 (poster).
• 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 (AOGS) 10th Annual Meeting, Brisbane, Australia, June 2013.
• Yasuda, I., Y. Tanaka, S. Itoh, H. Hasumi, K. Komatsu, S. Osafune, M. Yagi, T. Tanaka, H. Kaneko, T. Ikeya, S. Konda, J. Nishioka, T. Nakatsuka, K. Katsumata, H. Tatebe, Y. Watanabe, Y. Hiroe, and T. Nakamura: Observation and modelling of turbulent mixing in the Kuril and Aleutian Straits and impact of its 18.6-year period tidal cycle on ocean and climate, 2012 AGU Fall Meeting, San Francisco, USA, December 2012 (poster).
• 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, 2012 Ocean Sciences Meeting, Salt Lake City, USA, February 2012.
• 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, 25th International Union of Geodesy and Geophysics (IUGG) General Assembly, Melbourne, Australia, June 2011.
• Tanaka, Y., T. Hibiya, Y. Niwa, and N. Iwamae: Numerical study of K1 internal tides in the Kuril Straits, 2010 Ocean Sciences Meeting, Portland, USA, February 2010.
• 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 Process in the Ocean and its Parameterization, Tokyo, Japan, December 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, 24th International Union of Geodesy and Geophysics (IUGG) General Assembly, Perugia, Italy, July 2007.
• Hibiya, T., M. Nagasawa, K. Yokota, Y. Tanaka, T. Tanno, and S. Takagi: Identification of mixing hotspots in the world ocean, 2006 Ocean Sciences Meeting, Honolulu, USA, February 2006.