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Tomoharu Senjyu Last modified date:2017.10.18

Associate Professor / Interdisciplinary Graduate School of Engineering Sciences, Department of Earth System Science and Technology
Division of Earth Environment Dynamics
Research Institute for Applied Mechanics


Graduate School


E-Mail
Homepage
http://www.riam.kyushu-u.ac.jp/ocd/index-j.htm
Lab. of Ocean Circulation Dynamics .
Phone
092-583-7668
Fax
092-583-7735
Academic Degree
Doctor of Fisheries Science
Field of Specialization
Physical Oceanography
Outline Activities
Research activities
1. Formation and circulation of the intermediate and deep waters in the Japan Sea
2. Impacts of climate variability on adjacent seas of Japan

Educational activity
Associate professor of Department of Earth System Science and Technology, Interdisciplinary Graduate School of Engeneering Science
Research
Research Interests
  • Formation, circulation, and modificaiton of the intermediate and deep waters in the Japan Sea
    keyword : Deep water formation, Japan Sea, thermohaline circulation
    1990.04Formation and circulation of the intermediate and deep waters in the Japan Sea.
  • Oceanic mixing in the Kuroshio area
    keyword : Kuroshio, internal waves, turbulent mixing
    2015.03.
  • Impacts of climate variability on adjacent seas of Japan
    keyword : decadal-scale variations, climate change, sea level, sea surface temperature
    1997.01Impacts of climate variability on adjacent seas of Japan.
  • Impacts of low salinity water originating from Changjiang River on the Japan Sea environments
    keyword : Changjiang River, low salinity water, Tsushima Strait, precipitation
    2003.10Impacts of low salinity water originating from Changjiang River on the Japan Sea environments.
Academic Activities
Reports
1. Sea surface temperature monitoring with ferryboat off Yamaguchi in the southwestern Japan Sea.
2. Temperature and freshwater transport from the East China Sea to the Japan Sea.
Papers
1. Eisuke Tsutsumi, Takeshi Matsuno, Ren-Chieh Lien, Hirohiko Nakamura, Tomoharu Senjyu, Guo Xinyu, Turbulent mixing within the Kuroshio in the Tokara Strait, Journal of Geophysical Research: Ocean, 122, 2017.09.
2. Tomoharu Senjyu, Takafumu Aramaki, Volume transport from the Japan Basin to the Yamato Basin in the abyssal Japan Sea inferred from direct current observations, Journal of Oceanography, 73, 2, 2017.04.
3. Atsushi Kaneda, Kouta Ayukawa, Naoki HIROSE, Jun Tsuzuki, Yutaka Kumaki, Tomoharu Senjyu, Yosuke Igeta, Tatsuro Watanabe, Sudden strong current generated by an eddy in the eastern part of Wakasa Bay, Japan, Journal of Oceanography, 73, 2, 2017.04.
4. Tetsutaro Takikawa, Toshiteru Watanabe, Tomoharu Senjyu, Morimoto Akihiko, Wind-driven intensification of the Tsushima Warm Current along the Japanese coast detected by sea level difference in the summer monsoon of 2013, Continental Shelf Research, in press, 2016.07.
5. Hiroyuki Tomita, Tomoharu Senjyu, Masahisa Kubota, Evaluation of sensible and latent heat fluxes over the Japan Sea obtained from satellite, atmospheric reanalysis, and objective analysis products, Journal of Oceanography, 72, 5, online: 28 April 2016, 2016.04.
6. Ken-ichi Fukudome, Yosuke Igeta, Tomoharu Senjyu, Noriyuki Okei, Tatsuro Watanabe, Spatiotemporal current variation of coastal-trapped waves west of the Noto Peninsula measured by using fishing boats, Continental Shelf Research, 115, 2016.03.
7. Tomoharu Senjyu, Observation of near-inertial internal waves in the abyssal Japan Sea, La mer, 53, 3・4, 2015.12.
8. Takeshi Matsuno, Takahiro Endoh, Toshiyuki Hibiya, Tomoharu Senjyu, Michio Watanabe, Formation of the well mixed homogeneous layer in the bottom water of the Japan Sea, Journal of Oceanography, 71, 4, 2015.08.
9. Satoshi Nakada, Naoki Hirose, Tomoharu Senjyu, Kenichi Fukudome, Toshio Tsuji, Noriyuki Okei, Operational ocean prediction experiments for smart coastal fishing, Progress in Oceanography, 121, 2014.02.
10. Long-term variation of water temperature off northwest of Yamaguchi Prefecture in the southwestern Japan Sea.
11. Behavior of surface low salinity water and mass occurrence of giant jallyfish (Nemopilema nomurai) in the coastal area of the Japan Sea in summer 2009.
12. Tomoharu Senjyu, Takafumi Aramaki, Shinichi S. Tanaka, Jin Zhang, Yutaka Isoda, Yuichiro Kumamoto, Sho Hibino, Toshiya Nakano, Abyssal water mass exchange between the Japan and Yamato Basins in the Japan Sea, Journal of Geophysical Research: Oceans American Geophysical Union, 118, 2013.10.
13. Takafumi Aramaki, Shinichi S. Tanaka, Seiko Kushibashi, Young-Il Kim, Chang-Jun Kim, Gi-Hoon Hong, Senjyu Tomoharu, Spatial distribution of radiocarbon in the southwestern Japan/East Sea immediately after bottom water renewal, Radiocarbon, 55, 2-3, 2013.09.
14. Yanlin Cui and Tomoharu Senjyu, Box model analysis of the long-term dissolved oxygen variation in the Japan Sea Proper Water, Reports of Research Institute for Applied Mechanics, Kyushu University, 143, 1-6, 2012.09.
15. Determining the features of meteorological conditions inducing Kyucho around the Noto Peninsula, aiming to prevent the Kyucho disasters.
16. Yanlin Cui and Tomoharu Senjyu, Has the upper portion of the Japan Sea Proper Water formation really been enhancing?, Journal of Oceanography, 68, 4, 593-598, 2012.08.
17. Characteristic features of frontal eddies observed in the eastern edge of the Tsushima Strait
Tomoharu Senjyu, Shoichi Shimbaru, Takeshi Matsuno, Tetsutaro Takikawa, Hiroshi Yoshimura, Yasuhiro Morii, Nobuhiro Yamawaki and Atsushi Uchida.
18. Tomoharu Senjyu, Sigeaki Matsui and In-Seong Han , Spatiotemporal characteristics of interannual temperature variations in the Tsushima Strait, Journal of Oceanography, 66, 6, 789-799, 66 (6), 789-799, 2010.11.
19. Tomoharu Senjyu, In-Seong Han and Shigeaki Matsui, Interdecadal variations of temperature and salinity structures in the Tsushima Strait, Pacific Oceanography, vol. 5, No. 1, 44-55, 5(1), 44-55, 2010.09.
20. Yanlin Cui and Tomoharu Senjyu, Interdecadal oscillation in the Japan Sea Proper Water related to the Arctic oscillation, Journal of Oceanography, 66, 3, 337-348, 66(3), 337-348, 2010.04.
21. Tomoharu Senjyu, Temperature and salinity variability in the Tsushima Strait, Monitoring and Prediction of Marine and Atmospheric Environmental Change in the East Asia , pp. 157-169, Monitoring and Prediction of Marine and Atmospheric Environmental Change in the East Asia, Edited by Tetsuo Yanagi, TERRAPUB, Tokyo (ISBN 978-88704-150-9), pp. 157-169., 2010.03.
22. Yosuke Igeta, Yutaka Kumaki, Yujiro Kitade, Tomoharu Senjyu, Haruya Yamada, Tatsuro Watanabe, Osamu Katoh and Masaji Matsuyama, Scattering of near-inertial internal waves along the Japanese coast of the Japan Sea, Journal of Geophysical Research, 114, C10002, 114, C10002, doi:10.1029/2009JC005305, 2009.10.
23. Tomoharu Senjyu, In-Seong Han and Shigeaki Matsui, Connectivity between the interannual salinity variation in the western channel of the Tsushima Strait and hydrographic conditions in the Cheju Strait, Journal of Oceanography, 65, 511-524, 2009.08.
24. K. Mori, T. Matsuno, T. Senjyu, N. Hirose and I.-S. Han, Short-term temperature and salinity variations in the Tsushima Strait in 2004: Behavior of the surface low-salinity water in the strait, Journal of Oceanography, 65, (3), 301-310, 2009.06.
25. Kyucho around the Noto Peninsula induced by the passage of meteorological disturbances-the observations in summer 2003-.
26. T. Senjyu, S. Matsui and I.-S. Han, Hydrographic conditions in the Tsushima Strait revisited, Journal of Oceanography, 64, 171-183, 2008.04.
27. H. Takata, K. Kuma, Y. Isoda, S. Otosaka, T. Senjyu and M. Minagawa, Iron in the Japan Sea and its implications for the physical processes in deep water, Geophysical Research Letters, 35, L02606, doi:10.1029/2007GL031794, 2008.01.
28. T. Aramaki, T. Senjyu, O. Togawa, S. Otosaka, T. Suzuki, T. Kitamura, H. Amano and Y. N. Volkov, Circulation in the northern Japan Sea studied chiefly with radiocarbon, Radiocarbon, vol. 49, No.2, 915-924, 2007.11.
29. Numerical simulation of Kyucho along the eastern coast of the Noto Peninsula in 2004
Y. Asa, N. Hirose, and T. Senjyu.
30. Senjyu, T., H. Enomoto, T. Matsuno, and S. Matsui, Interannual salinity variations in the Tsushima Strait and its relation to the Changjiang discharge, Journal of Oceanography, Vol. 62, 681-692, 2006.10.
31. Senjyu, T., Spatiotemporal variability of interdecadal sea level oscillations in the North Pacific, Journal of Geophysical Research - Ocean, Vol. 111, C07022, doi:10.1029/2005JC003053, 2006.07.
32. Senjyu, T., Y. Isoda, T. Aramaki, S. Otosaka, S. Fujio, D. Yanagimoto, T. Suzuki, K. Kuma and K. Mori, Benthic front and the Yamato Basin Bottom Water in the Japan Sea, Jourunal of Oceanography, 61, 6, vol. 61, 1047-1058, 2005.10.
33. Mori, K., T. Matsuno, and T. Senjyu, Seasonal/spatial variations of the near-inertial oscillations in the deep water of the Japan Sea, Journal of Oceanography, 61, 4, Vol. 61, 761-773, 2005.08.
34. Senjyu, T., H.-R. Shin, J.-H. Yoon, Z. Nagano, H.-S. An, S.-K. Byun, and C.-K. Lee, Deep flow field in the Japan/East Sea as deduced from direct current measurements, Deep-Sea Research II, 52, 11-13, vol. 52, 1726-1741, 2005.01.
35. Tomoharu Senjyu and Toshiteru Watanabe, Decadal signal in the sea surface temperatures off the San'in coast in the southwestern Japan Sea, Reports of Research Institute for Applied Mechanics, Kyushu University, No. 127, 49-53., 2004.09.
36. Senjyu, T., T. Aramaki, S. Otosaka, O. Togawa, M. Danchenkov, E. Karasev and Y. Volkov, Renewal of the bottom water after the winter 2000-2001 may spin-up the thermohaline circulation in the Japan Sea, Geophysical Research Letters, 29, 7, 29(7), 10.1029/2001GL014093, 2002.01.
37. Isobe, A., M. Ando, T. Watanabe, T. Senjyu, S. Sugihara and A. Manda, Freshwater and temperature transports through the Tsushima-Korea Straits, Journal of Geophysical Research, 107, C7, 107(C7), 10.1029/2000JC000702, 2002.01.
38. Senjyu, T., H. Yasuda, S. Sugihara and M. Kamizono, Current and turbidity variations in the western part of Suo-Nada, the Seto Inland Sea, Japan; an hypothesis on the oxygen-deficient water mass formation, Journal of Oceanography, 57, 15-27, 2001.01.
39. Senjyu, T., The Japan Sea Intermediate Water; its characteristics and circulation, Journal of Oceanography, 55, 111-122, 1999.01.
40. Internal tide observed at Futaoi Island in the Tsushima Strait
T. Senjyu and T. Watanabe.
41. Senjyu, T., M. Matsuyama and N. Matsubara, Interannual and decadal sea-level variations along the Japanese coast, Journal of Oceanography, 55, 619-633, 1999.01.
42. T. Senjyu, T. Ishimaru, M. Matsuyama and Y. Koike, High salinity lens from the Strait of Hormuz, Offshore Environment of the ROPME Sea Area after the War-Related Oil Spill - Results of the 1993-94 Umitaka-Maru Cruise, pp. 35-48, Offshore Environment of the ROPME Sea Area after the War-Related Oil Spill - Results of the 1993-94 Umitaka-Maru Cruise, Edited by A. Otsuki, M. Y. Abdulraheem and R. M. Reynolds, TERRAPUB, Tokyo (ISBN 4-88704-123-3), 1998.01.
43. Senjyu, T., N. Asano, M. Matsuyama and T. Ishimaru, Intrusion events of the intermediate Oyashio Water into Sagami Bay, Japan, Journal of Oceanography, 54, 29-44, 1998.01.
44. Senjyu, T., Sea surface temperature variability at Futaoi Island in the Tsushima Strait, Acta Oceanographica Taiwanica, 37, 47-60, 1998.01.
45. Senjyu, T. and H. Sudo, Interannual variation of the upper portion of the Japan Sea Proper Water and its probable cause, Journal of Oceanography, 52, 27-42, 1996.01.
46. Senjyu, T. and H. Sudo, The upper portion of the Japan Sea Proper Water; its source and circulation as deduced from isopycnal analysis, Journal of Oceanography, 50, 663-690, 1994.01.
47. Senjyu, T. and H. Sudo, Water characteristics and circulation of the upper portion of the Japan Sea Proper Water, Journal of Marine Systems, 4, 349-362, 1993.01.
Presentations
1. 堤 英輔, 松野 健, Ren-Chieh Lien, Hirohiko Nakamura, Tomoharu Senjyu, Xinyu Guo, Turbulent mixing within the Kuroshio in Tokara Strait, JpGU-AGU Joint Meeting 2017, 2017.05.21.
2. Tomoharu Senjyu, Takeshi Matsuno, Eisuke Tsutsumi, Keunjong Lee, Hirohiko Nakamura, Ayako Nishina, Daisuke Hasegawa, Guo Xinyu, Strong reversing currents in the Kuroshio observed in the Tokara Strait, south of Japan, 10th WESTPAC International Scientific Conference, 2017.04.19.
3. Tomoharu Senjyu, Hong-Ryeol Shin, Near-inertial internal waves in the Yamato and Tsushima/Ulleung Basins in the abyssal Japan/East Sea, The 19th Pacific-Asian Marginal Seas (PAMS) Meeting, 2017.04.12.
4. Eisuke Tsutsumi, Takeshi Matsuno, Ren-Chieh Lien, Hirohiko Nakamura, Tomoharu Senjyu, Xinyu Guo, Turbulent mixing within Kuroshio in Tokara Strait, International Symposium "Ocean Mixing Processes: Impact on Biogeochemistry, Climate and Ecosystem", 2017.03.16.
5. Tomoharu Senjyu, Takafumi Aramaki, Evaluation of vertical eddy diffusivity in the abyssal Japan/East Sea based on the one-dimensional advection-diffusion model in temperature and 14C profilesd, International Workshop on Mixing and Water Mass Modification in the East Asian Marginal Seas , 2017.02.13.
6. Tomoharu Senjyu, Mixing and inter-basin water mass exchange in the abyssal Japan Sea, The 8th PEACE Ocean Science Workshop, 2016.08.30.
7. Eisuke Tsutsumi, Tomoharu Senjyu, Keunjong Lee, Hirohiko Nakamura, Ayako Nishina, Takeshi Matsuno, Variabilities of currents and turbulence in the Tokara Strait, Japan Geoscience Union Meeting 2016, 2016.05.22.
8. Tetsutaro Takikawa, Toshiteru Watanabe, Tomoharu Senjyu, Akihiko Morimoto, Naoki Hirose, Wind-induced variation of the first branch of the Tsushima Warm Current in the southwestern Japan Sea detected by sea level difference in summer to autumn 2013, The 18th Pacific-Asian Marginal Seas Meeting, 2015.04.22.
9. Tetsutaro Takikawa, Toshiteru Watanabe, Tomoharu Senjyu, Akihiko Morimoto, Naoki Hirose, Large variability of the first branch of the Tsushima Warm Current in the southwestern Japan Sea detected by sea level difference from summer to autumn 2013, The 13th Korea-Japan Joint Seminar on Physical Oceanography dedicated to Prof. YoungHo Seung on his retirement, 2015.02.06.
10. Tomoharu Senjyu, Behavior of surface low salinity water and mass occurrence of giant jellyfish (Nemopilema Nomurai) in the coastal area of the Japan Sea in summer 2009, 11th Annual Meeting Asia Oceania Geosciences Society, 2014.08.01.
11. Tomoharu Senjyu, Linear and interdecadal variations in the abyssal Japan Sea, 10th Annual Meeting Asia Oceania Geosciences Society, 2013.06.27.
12. Has the intermediate water formation in the Japan Sea really been enhancing?.
Awards
  • Formation, circulation and modification of the abyssal Japan Sea water masses
Educational
Other Educational Activities
  • 2011.11.
  • 2004.11.
  • 2003.11.
  • 2002.11.