Education

March 2009 PhD. Agriculture, The University of Tokyo (Supervisor: Ken Furuya)

March 2004 Master of Engineering, Osaka Prefecture Univesity (Supervisor: Taketoshi Okuno)

March 2002 Bechelor of Engineering, Osaka Prefecture Univesity (Supervisor: Taketoshi Okuno)

Work Experience

February 2020-Present Associate Professor

 Microbial Oceanography Lab., Department of Marine Ecosystem Dynamics, Atmosphere and Ocean Research Institute, The University of Tokyo

February 2016-January 2020 Project Researcher

 Research and Development Center for Global Change, Japan Agency for Marine-Earth Science and Technology

April 2013-January 2016 JSPS Postdoctoral Fellow

 Microbial Oceanography Lab., Department of Marine Ecosystem Dynamics, Atmosphere and Ocean Research Institute, The University of Tokyo

August 2011- March 2013 Project Researcher

 Graduate school of Agricultural and Life Science, The University of Tokyo

 Marine Biogeochemistry Section, Department of Chemical Oceanography, Atmosphere and Ocean Research Institute, The University of Tokyo

April 2010-July 2011 Postdoctoral Fellow

 Department of Marine Biotechnology and Resources, National Sun Yat-sen University

August 2009-March 2010 Project Researcher

 Graduate school of Agricultural and Life Science, The University of Tokyo

April 2009-July 2009 Postdoctoral Fellow

 Graduate school of Agricultural and Life Science, The University of Tokyo

April 2004-March 2006 Marine Technician

 Marine Works Japan, Ltd.

Awards

2010 Excellent Paper Award for Young Scienstist, The Oceanographic Society of Japan

2004 Excellent Paper Award, The Kansai Society of Naval Architects

Peer-Reviewed Publications 

XX. Hiraoka, S.*#, I. Ijichi*, H. Takeshima, Y. Kumagai, C.-C. Yang, Y. Makabe-Kobayashi, H. Fukuda, S. Yoshizawa, W. Iwasaki, K. Kogure, T. Shiozaki# (preprint), Probe capture enrichment sequencing of amoA genes discloses diverse ammonia-oxidizing archaeal and bacterial populations, bioRxiv. [open access]

62. Masuda, T., J. Mareš, T. Shiozaki, K. Inomura, A. Fujiwara, O. Prášil (2024) Crocosphaera watsonii - A widespread nitrogen-fixing unicellular marine cyanobacterium, Journal of Phycology. [open access]

61. Shiozaki, T., M. Hirai, F. Kondo, T. Sato, M. Sato, J.L. Iriarte, T. Yokokawa, T. Nunoura, N. Harada (2023) Heterogeneous diazotroph communities in the subtropical-subantarctic transition and aphotic zones off the coast of Patagonia, eastern South Pacific Ocean, Journal of Geophysical Research Biogeosciences 128, e2023JG007683. [link]

60. Tang,W., B.B. Ward, M. Beman, L. Bristow, D. Clark, S. Fawcett, C. Frey, F. Fripiat, G.J. Herndl, M. Mdutyana, F. Paulot, X. Peng, A.E. Santoro, T. Shiozaki, E. Sintes, C. Stock, X. Sun, X.S. Wan, M.N. Xu, Y. Zhang (2023) Database of nitrification and nitrifiers in the global ocean, Earth System Science Data 15, 5039-5077. [open access]

59. Shao, Z., Y. Xu, H. Wang, W. Luo, L. Wang, Y. Huang, N. Sheila, R. Agawin, A. Ahmed, M. Benavides, M Bentzon-Tilia, I. Bermen-Frank, H. Berthelot, I.C. Biegala, M.B. Bif, A. Bode, S. Bonnet, D.A. Bronk, M.V. Brown, L. Campbell, D.G. Capone, E.J. Carpenter, N. Cassar, B.X. Chang, D. Chappell, Y.-L. L. Chen, M.J. Church, F.M. Cornejo-Castillo, A.M. Sacilotto Detoni, S.C. Doney, C. Dupouy, M. Estrada, C. Fernandez, B. Fernández-Castro, D. Fonseca-Batista, R.A. Foster, K. Furuya, N. Garcia, K. Goto, J. Gago, M.R. Gradoville, M.R. Hamersley, B.A. Henke, C. Hörstmann, A. Jayakumar, Z. Jiang, S.-J. Kao, D. Karl, L.R. Kittu, A.N. Knapp, S. Kumar, J. LaRoche, H. Liu, J. Liu, C. Lory, C.R. Löscher, E. Marañón, L.F. Messer, M.M. Mills, W. Mohr, P.H. Moisander, C. Mahaffey, R. More, B. Mouriño-Carballido, M.R. Mulholland, S. Nakaoka, J.A. Needoba, E.J. Raes, E. Rahav, T. Ramírez-Cárdenas, C. Furbo Reeder, L. Riemann, V. Riou, J.C. Robidart, V.V.S.S. Sarma, T. Sato, H. Saxana, C. Selden, J.R. Seymour, D. Shi, T. Shiozaki, A. Singh, R.E. Sipler, J. Sun, K. Suzuki, K. Takahashi, Y. Tan, W. Tang, J.-É. Tremblay, K. Turk-Kubo, Z. Wen, A.E. White, S.T. Wilson, T. Yoshida, J.P. Zehr, R. Zhang, Y. Zhang, Y.-W. Luo (2023), Global oceanic diazotroph database version 2 and elevated estimate of global oceanic N2 fixation, Earth System Science Data, 15, 3673-3709 [open access]

58. Chowdhury, S., E. Raes, C. Hörstmann, A. Ahmed, C. Ridame, N. Metzl, P.S. Bhavya, T. Sato, T. Shiozaki, S. Bonnet, C.R. Löscher, A. Singh, M. Benavides (2023), Diazotrophy in the Indian Ocean: current understanding and future perspectives, Limnology and Oceanography Letters, 8, 707-722 [open access]

57. Masuda, T., K. Inomura, J. Mares, T. Kodama, T. Shiozaki, T. Matsui, K. Suzuki, S. Takeda, C. Deutsch, O. Prášil, K. Furuya (2023), Coexistence of dominant marine phytoplankton sustained by nutrient specialization, Microbiology Spectrum, 11 [open access]

56. Horii, S., K. Takahashi, T. Shiozaki, S. Takeda, M. Sato, T. Yamaguchi, S. Takino, F. Hashihama, Y. Kondo, T. Takemura, K. Furuya (2023), East-west variabilities of N2 fixation activity in the subtropical North Pacific Ocean in summer: potential field evidence of the phosphorus and iron co-limitation in the western area,  Journal of Geophysical Research Oceans, 128, e2022JC019249. [link]

55. Shiozaki, T.*, Y. Nishimura*, S. Yoshizawa, H. Takami, K. Hamasaki, A. Fujiwara, S. Nishino, N. Harada (2023), Distribution and survival strategies of endemic and cosmopolitan diazotrophs in the Arctic Ocean,  The ISME Journal 17, 1340-1350. [open access]

Press Release!

54. Sato, T., T. Shiozaki, F. Hashihama, M. Sato, A. Murata, K. Sasaoka, S. Umeda, K. Takahashi (2022), Low nitrogen fixation related to shallow nitracline across the eastern Indian Ocean, Journal of Geophysical Research Biogeosciences 127, e2022JG007104. [link]

53. Shiozaki, T.*, A. Fujiwara*, K. Sugie, S. Nishino, A. Makabe, N. Harada (2022), Bottom-associated phytoplankton bloom and its expansion in the Arctic Ocean, Global Change Biology 28, 7286-7295. [link]

Press Release!

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This article is highlighted by "LIVE Science"

52. Sato, M., T. Shiozaki, F. Hashihama, T. Kodama, H. Ogawa, H. Saito, A. Tsuda, S. Takeda, K. Furuya (2022), Relative depths of the subsurface peaks of phytoplankton abundance conserved over ocean provinces, Limnology and Oceanography 67, 2557-2571. [link]

51. Masuda, T., K. Inomura, T. Kodama, T. Shiozaki, S. Kitajima, G. Armin, T. Matsui, K. Suzuki, S. Takeda, M. Sato, P. Ondřej, K. Furuya (2022), Crocosphaera as a major consumer of fixed nitrogen, Microbiology Spectrum, e02177-21 [open access]

50. Sato, M., K. Hirata, T. Shiozaki, S. Takeda (2022), Effects of iron and light on microbial nitrogen cycles in the primary nitrite maxima of the eastern Indian Ocean, Deep-Sea Research Part I 185 [link]

49. Shiozaki, T., K. Inomura, A. Fujiwara, Y. Hirose, F. Hashihama, N. Harada (2022), Reply to : Questioning high nitrogen fixation rate measurements in the Southern Ocean, Nature geoscience 15, 31-32 [link]

48. Shiozaki, T., F. Hashihama, H. Endo, M. Ijichi, N. Takeda, A. Makabe, A. Fujiwara, S. Nishino, N. Harada (2021), Assimilation and oxidation of urea-derived nitrogen in the summer Arctic Ocean, Limnology and Oceanography 66, 4159-4170 [link].

47. Tanita, I., T. Shiozaki, T. Kodama, F. Hashihama, M. Sato, K. Takahashi, K. Furuya (2021), Regionally variable responses of nitrogen fixation to iron and phosphorus enrichment in the Pacific Ocean, Journal of Geophysical Research Biogeosciences 126, e2021JG006542 [open access]

46. Sato-Takabe, Y., Y. Nakajima, S. Nakajima, S. Suzuki, K. Sekiguchi, S. Hanada, T. Shiozaki (2021), Draft genome sequences of putative aerobic anoxygenic phototrophic bacteria Jannaschia sp. AI_61 and AI_62, isolated from seawater around a coastal aquaculture area, Microbiology Resource Announcements 10, e00491-21. [open access]

45. Sato-Takabe, Y., Y. Nakajima, Y. Tsukamoto, K. Hamasaki, T. Shiozaki (2021), Draft genome sequence of aerobic anoxygenic phototrophic bacterium Roseobacter sp. OBYS 0001, isolated from a coastal seawater in Otsuchi Bay, Japan, Microbiology Resource Announcements 10, e00488-21. [open access]

44. Hashihama, F., I. Yasuda, A. Kumabe, M. Sato, H. Sasaoka, Y. Iida, T. Shiozaki, H. Saito, J. Kanda, K. Furuya, P.W. Boyd, M. Ishii (2021), Nanomolar phosphate supply and its recycling drive net community production in the subtropical North Pacific, Nature communications 12, 3462. [open access] 

43. Sato, T., T. Shiozaki, Y. Taniuchi, H. Kasai, K. Takahashi (2021), Nitrogen Fixation and Diazotroph Community in the Subarctic Sea of Japan and Sea of Okhotsk, Journal of Geophysical Research Oceans 126, e2020JC017071 [link]

42. Shiozaki, T*., F. Itoh, Y*. Hirose, J. Onodera, A. Kuwata, N. Harada (2021), A DNA metabarcoding approach for recovering plankton communities from archived samples fixed in formalin, PLOS ONE 16(2), e0245936 [open access].

41. Shiozaki, T., A. Fujiwara, K. Inomura, Y. Hirose, F. Hashihama, N. Harada (2020), Biological nitrogen fixation detected under Antarctic sea ice, Nature geoscience 13, 729-732 [link].

This article is highlighted by ”The Scientist"

This article is highlighted by "Oceanbites"

40. Hashihama, F., H. Saito, T. Shiozaki, M. Ehama, S. Suwa, T. Sugiyama, H. Kato, J. Kanda, M. Sato, T. Kodama, T. Yamaguchi, S. Horii, I. Tanita, S. Takino, K. Takahashi, H. Ogawa, P.W. Boyd, K. Furuya (2020), Biogeochemical controls of particulate phosphorus distribution across the oligotrophic subtropical Pacific Ocean, Global Biogeochemical Cycles 34, e2020GB006669 [open access]. 

39. Hirose, Y. T. Shiozaki, I. Hamano, S. Yoshihara, H. Tokumoto, T. Eki, N. Harada (2020), A specific combination of dual index adaptors decreases the sensitivity of amplicon sequencing with the Illumina platform, DNA research 27, dsaa017 [open access]. 

38. Shiozaki, T., Y. Tada, H. Fukuda, K. Furuya, T. Nagata (2020), Primary production and nitrogen assimilation rates from bay to offshore waters in the Oyashio-Kuroshio-Tsugaru Warm Current interfrontal region of the northwestern North Pacific Ocean, Deep-Sea Research Part I 164 [link]. 

37. Masuda, T., K. Inomura, N. Takahata,  T. Shiozaki, Y. Sano, C. Deutsch, O. Prášil, K. Furuya (2020), Heterogeneous rates of N2 fixation in unicellular diazotroph populations confer an  energetic advantage and expanded ecological niche, Communications Biology 3:172 [open access]

36. Hirose, Y., T. Shiozaki, M. Otani, S. Kudoh, S. Imura, T. Eki, N. Harada (2020), Investigating algal communities in lacustrine and hydro-terrestrial environments of east Antatctica using deep amplicon sequencing, Microorganisms 8, 497 [open access]

35. Shiozaki, T., Y. Hirose, K. Hamasaki, R. Kaneko, K. Ishikawa, N. Harada (2019), Eukaryotic phytoplankton contributing to a seasonal bloom and carbon export revealed by tracking sequence variants in the western North Pacific, Frontiers in Microbiology 10:2722, doi:10.3389/fmicb.2019.02722 [open access]

34. Shiozaki, T., M. Ijichi, A. Fujiwara, A. Makabe, S. Nishino, C. Yoshikawa, N. Harada (2019), Factors regulating nitrification in the Arctic Ocean: Potential impact of sea ice reduction and ocean acidification, Global Biogeochemical Cycles 33, doi:10.1029/2018GB006068 [open access]

Press Release!

33. Yamaguchi, T., S.  Mitsuhide, F. Hashihama, M. Ehama, T. Shiozaki, K. Takahashi, K. Furuya (2019), Basin-scale variations in labile dissolved phosphoric monoesters and diesters in the central North Pacific Ocean, Journal of Geophysical Research Oceans 124, doi:10.1029/2018JC014763 [open access]

32. Chen, T.-Y., Y.-L.L. Chen,  D.-S. Sheu,  H.-Y. Chen,  Y.-H. Lin,  T. Shiozaki (2019), Community and abundance of heterotrophic diazotrophs in the northern South China Sea: Revealing the potential importance of a new alphaproteobacterium in N2 fixation, Deep-Sea Research Part I 143, 104-114 [link]

31. Nishino, S., Y, Kawaguchi, A. Fujiwara, T. Shiozaki, M. Aoyama, N. Harada, T. Kikuchi (2018), Biogeochemical anatomy of a cyclonic warm-core eddy in the Arctic Ocean, Geophysical Research Letters 45, 11284-11292, doi:10.1029/2018GL079659 [open access]

30. Horii, S., K. Takahashi, T. Shiozaki, F. Hashihama, K. Furuya (2018), Stable isotopic evidence for the differential contribution of diazotrophs to the epipelagic grazing food chain in the mid-Pacific Ocean, Global Ecology and Biogeography 27, 1467-1480, doi:10.1111/geb.12823 [link]

29. Dutheil, C., O. Aumont, T. Gorguès, A. Lorrain, S. Bonnet, M. Rodier, C. Dupouy, T. Shiozaki, and C. Menkes (2018), Modelling the processes driving Trichodesmium sp. spatial distribution and biogeochemical impact in the tropical Pacific Ocean, Biogeosciences 15, 4333-4352. [open access]

28. Shiozaki, T., Y. Kondo, D. Yuasa, S. Takeda (2018), Distribution of major diazotrophs in the surface water of the Kuroshio from northeastern Taiwan to south of mainland Japan, Journal of Plankton Research 40, 407-419, doi:10.1093/plankt/fby027. [link]

27. Shiozaki, T., D. Bombar, L. Riemann, M. Sato, F. Hashihama, T. Kodama, I. Tanita, S. Takeda, H. Saito, K. Hamasaki, K. Furuya (2018), Linkage between dinitrogen fixation and primary production in the oligotrophic South Pacific Ocean, Global Biogeochemical Cycles 30, 1028-1044, doi:10.1029/2017GB005869 [open access].

26. Shiozaki, T., A. Fujiwara, M. Ijichi, N. Harada, S. Nishino, S. Nishi, T. Nagata, K. Hamasaki (2018), Diazotroph community structure and the role of nitrogen fixation in the nitrogen cycle in the Chukchi Sea (western Arctic Ocean), Limnology and Oceanography 63, 2191-2205, doi:10.1002/lno.10933 [open access]

Press Release!

25. Hamasaki, K., R. Shishikura, S. Suzuki, T. Shiozaki, H. Ogawa, T. Nakamura, Y. Suwa (2018), Distribution and phylogeny of anaerobic ammonium-oxidizing (anammox) bacteria in water column of the central Pacific Ocean, Deep-Sea Research part II 156, 60-67, doi:10.1016/j.dsr2.2017.11.013. [link]

24. Shiozaki, T., D. Bombar, L. Riemann, F. Hashihama, S. Takeda, T. Yamaguchi, M. Ehama, K. Hamasaki, K. Furuya (2017), Basin scale variability of active diazotrophs and nitrogen fixation in the North Pacific, from the tropics to the subarctic Bering Sea, Global Biogeochemical Cycles 31, 996-1009, doi:10.1002/2017GB005681 [link]

23. Nakamura, H., T. Shiozaki, N. Gonda, K. Furuya, S. Matsunaga, S. Okada (2017), Utilization of ammonium by the hydrocarbon-producing microalga, Botrycoccus braunii Showa, Algal Research 25, 445-451[link]

22. Sato, M., T. Shiozaki, F. Hashihama (2017), Distribution of mixotrophic nanoflagellates along the latitudinal transect of the central North Pacific, Journal of Oceanography, 73, 159-168, doi:10.1007/s10872-016-0393-x [link]

21. Tada, Y., T. Shiozaki, H. Ogawa, K. Suzuki (2017), Basin-scale distribution of prokaryotic phylotypes in the epipelagic layer of the Central South Pacific Ocean during austral summer, Journal of Oceanography, 73, 145-158, doi:10.1007/s10872-016-0391-z [link]

20. Shiozaki, T., M. Ijichi, K. Isobe, F. Hashihama, K. Nakamura, M. Ehama, K. Hayashizaki, K. Takahashi, K. Hamasaki, K. Furuya (2016), Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean, The ISME Journal. 10, 2174-2183 [open access]

19. Shiozaki, T., S. Takeda, S. Itoh, T. Kodama, X. Liu, F. Hashihama, K. Furuya (2015), Why is Trichodesmium abundant in the Kuroshio?, Biogeosciences, 12, 6931-6943 [open access]

18. Shiozaki, T., T. Nagata, M. Ijichi, K. Furuya (2015), Nitrogen fixation and the diazotroph community in the temperate coastal region of the northwestern North Pacific, Biogeosciences, 12, 4751-4764 [open access]

17. Yoshikawa, C., A. Makabe, T. Shiozaki, S. Toyoda, O. Yoshida, K. Furuya, N. Yoshida (2015), Nitrogen isotope ratios of nitrate and N* anomalies in the subtropical South Pacific, Geochemistry, Geophysics, Geosystems, 16, 1439-1448, doi:10.1002/2014GC005678 [link]

16. Nishibe, Y., K. Takahashi, T. Shiozaki, S. Kakehi, H. Saito, K. Furuya (2015), Size-fractionated primary production in the Kuroshio Extension and adjacent regions in spring, Journal of Oceanography, 71, 27-40 [link]

15. Shiozaki, T., M. Ijichi, T. Kodama, S. Takeda, K. Furuya (2014), Heterotrophic bacteria as major nitrogen fixers in the euphotic zone of the Indian Ocean, Global Biogeochemical Cycles, 28, 1096-1110, doi:10.1002/2014GB004886 [link]

14. Shiozaki, T., T. Kodama, K. Furuya (2014), Large-scale impact of the island mass effect through nitrogen fixation in the western South Pacific Ocean, Geophysical Research Letters, 41, doi:10.1002/2014GL059835 [open access]

13. Shiozaki, T., Y.-L. L. Chen, Y.-H. Lin, Y. Taniuchi, D.-S. Sheu, K. Furuya, H.-Y. Chen (2014), Seasonal variations of unicellular diazotroph groups A and B, and Trichodesmium in the norther South China Sea and neighboring upstream Kuroshio Current, Continental Shelf Research, 80, 20-31. [link]

12. Shiozaki, T., S.-I. Ito, K. Takahashi, H. Saito, T. Nagata, K. Furuya (2014), Regional variability of factors controlling the onset timing and magnitude of spring algal blooms in the northwestern North Pacific, Journal of Geophysical Research Oceans, 119, 1-3, doi:10.1002/2013JC009187. [open access]

11. Shiozaki, T., Y.-L. L. Chen (2013) Different mechanisms controlling interannual phytoplankton variation in the South China Sea and the western North Pacific subtropical gyre: A satellite study, Advances in Space Research, 52, 668-676. [link]

10. Liu, X., K. Furuya, T. Shiozaki, T. Masuda, T. Kodama, M. Sato, H. Kaneko, M. Nagasawa, I. Yasuda (2013) Variability in nitrogen sources for new production in the vicinity of the shelf edge of the East China Sea in summer, Continental Shelf Research, 61-62, 23-30. [link]

9. Shiozaki, T., T. Kodama, S. Kitajima, M. Sato, K. Furuya (2013) Advective transport of diazotrophs and importance of their nitrogen fixation on new and primary production in the western Pacific warm pool, Limnology and Oceanography, 58, 49-60. [open access]

8. Luo Y. W., S. C. Doney, L. A. Anderson, M. Benavides, A. Bode, S. Bonnet, K. H. Bostrom, D. Bottjer, D. G. Capone, E. J. Carpenter, T. L. Chen, M. J. Church, J. E. Dore, L. I. Falcon, A. Fernandez, R. A. Foster, K. Furuya, F. Gomez, K. Gundersen, A. M. Hynes, D. M. Karl, S. Kitajima , R. J. Langlois, J. LaRoche, R. M. Letelier, E. Maranon, D. J. McGillicuddy Jr., P. H. Moisander, C. M. Moore, B. Mourino-Carballido, M. R. Mulholland, J. A. Needoba, K. M. Orcutt, A. J. Poulton, P. Raimbault, A. P. Rees, L. Riemann, T. Shiozaki, A. Subramaniam, T. Tyrrell, K. A. Turk-Kubo, M. Varela, T. A. Villareal, E. A. Webb, A. E. White, J. Wu, J. P. Zehr (2012) Database of diazotrophs in global ocean: abundances, biomass and nitrogen fixation rates, Earth System Science Data, 4, 47-73. [open access]

7. Shiozaki, T., K. Furuya, H. Kurotori, T. Kodama, S. Takeda, T. Endoh, Y. Yoshikawa, J. Ishizaka, T. Matsuno (2011), Imbalance between vertical nitrate flux and nitrate assimilation on a continental shelf: Implications of nitrification, Journal of Geophysical Research Oceans, 116, C10031, doi:10.1029/2010JC006934. [link]

6. Shiozaki, T., K. Furuya, T. Kodama, S. Kitajima, S. Takeda, T. Takemura, J. Kanda (2010), New estimation of N2 fixation in the western and central Pacific Ocean and its marginal seas, Global Biogeochemical Cycles, 24, GB1015, doi:10.1029/2009GB003620. [link]

5. Shiozaki, T., K. Furuya, T. Kodama, S. Takeda (2009), Contribution of N2 fixation to new production in the western North Pacific Ocean along 155°E, Marine Ecology Progress Series, 377, 19-32. [open access]

4. Shiozaki, T., S. Takeda, K. Furuya (2009), Evaluation of new production in the tropical and subtropical oligotrophic ocean, Oceanography in Japan, 18(3), 213-242. (in Japanese with English abstract) [open access]

    2010 Excellent Paper Award for Young Scienstist, The Oceanographic Society of Japan 

3. Kozai, K., K. Ishida, T. Shiozaki, Y. Okada (2004), Wind-induced upwelling in the western equatorial Pacific Ocean observed by multi-satellite sensors, Advances in Space Research, 33, 1189-1194. [link]

2. Nakatani, N., T. Shiozaki, M. Hayashi, T. Okuno (2004), The estimation method for vertical distribution of phytoplankton in the Western Pacific Equatorial Ocean, Journal of Kansai Society of Naval Architects, Japan, 242, 133-138. (in Japanese with English abstract) 

1. Nakatani, N., T. Shiozaki, M. Hayashi, T. Okuno (2003), In-situ measurement in the Western Pacific Equatorial Ocean -Characteristics of vertical distribution for phytoplankton-, Journal of Kansai Society of Naval Architects, Japan, 240, 197-202. (in Japanese with English abstract)

    2004 Excellent Paper Award, The Kansai Society of Naval Architects