Masami Nonaka: Senior Scientist/Team leader,

Climate Variation Predictability and Applicability Research Program,
Research Institute for Global Change
Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
e-mail: nona @ jamstec. go. jp

My memo....　 　GrADS .... Sea surface height anomalies in the Kuroshio Extension

Introduction of myself ....
Education

• 1998 - Ph.D. (Environmental Earth Science), Hokkaido University, Hokkaido, Japan. Dissertation Title: "A numerical investigation of the effects of the Subtropics on the Tropics through the ocean circulation."
• 1994 - M.S. (Geophysics), Hokkaido University, Hokkaido, Japan
• 1991 - B.S. (Geophysics), Hokkaido University, Hokkaido, Japan

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Research Interests

• Connection between the subtropics and the tropics through the ocean circulation 
• Upper layer circulation in the South Pacific Ocean 
• Role of ocean in decadal climate variability over the Pacific domain
• Air-sea interactions in midlatitudes
• Role of physical oceanographic variations on oceanic ecosystem

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Scientific Work Experience

• Research Scientist, Frontier Research Program for Global Change, Institute for Global Change Research, International Pacific Research Center, School of Ocean & Earth & Technology, University of Hawaii at Manoa. (1999-2003)
• Research Scientist, Climate Variations Research Program, Frontier Research Center for Global Change. (2003-2008)
• Senior Scientist/Sub leader, Climate Variations Research Program, Frontier Research Center for Global Change, JAMSTEC. (2008-2009)
• Senior Scientist/Team leader, Climate Variation Predictability and Applicability Research Program, Research Institute for Global Change, JAMSTEC. (2009-)

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Journal Reviews

　　　　　　　 J. Physical Oceanography, J. Climate, J. Oceanography, J. Meteorological Society of Japan, Geophysical Research Letters, J. Geophysical Research, Deep Sea Research, Climate Dynamics, Tenki, AGU Monograph,

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所属学会等

• Japan Oceanographic Society
• Meteorological Society of Japan
• American Geophysical Union
• American Meteorological Society
• 気象庁異常気象分析検討委員会作業部会委員(2007-)
• Editor, Scientific Online Letters on the Atmosphere (SOLA), 2008–
• Associate Editor, Journal of Climate, 2009-

Lists...
Refereed publications:

34. Komori, N., B. Taguchi, A. Kuwano-Yoshida, H. Sasaki, T. Enomoto, M. Nonaka, Y. Sasai, M. Honda, K. Takaya, A. Ishida, Y. Masumoto, W. Ohfuchi, and H. Nakamura, 2010: A high-resolution simulation of the global coupled atmosphere–ocean system using CFES: 23-year surface climatology. Ocean Dynamics., submitted.

33. Taguchi, B., B. Qiu, M. Nonaka, H. Sasaki, S.-P. Xie, and N. Schneider, 2010: Decadal Variability in the Kuroshio Extension: Mesoscale Eddies and Recirculations. Ocean Dynamics, 60, 673-691. DOI 10.1007/s10236-010-0295-1

32. Nakamura, H.-H, M. Nonaka, and H. Sasaki, 2010: Seasonality of the Kuroshio path destabilization phenomenon in the Okinawa Trough: A numerical study of its mechanism, J. Phys. Oceanogr., 40, 530-550.

31. Sasaki, H., S.-P. Xie, B. Taguchi, M. Nonaka, and Y. Masumoto, 2010: Seasonal Variations of the Hawaiian Lee Countercurrent induced by the meridional migration of the Trade Winds. Ocean Dynamics, 60, 705-715. DOI 10.1007/s10236-009-0258-6.

30. Tomita, T., M. Nonaka, and T. Yamaura, 2009: Interannual Variability in the Seasonal Northward Excursion of the Baiu Front. International J. Climatology, doi:10.1002/joc.2040.

29. Taguchi, B., H. Nakamura, M. Nonaka, S.-P. Xie, 2009: Influences of the Kuroshio/Oyashio Extension on air-sea heat exchanges and storm track activity as revealed in regional atmospheric model simulations for the 2003/04 season. J. Climate, 22, 6536-6560.

28. Nonaka, M., H. Nakamura, B. Taguchi, N. Komori, A. Kuwano-Yoshida, and K. Takaya, 2009: Air-sea heat exchanges characteristic of a prominent midlatitude oceanic front in the South Indian Ocean as simulated in a high-resolution coupled GCM. J. Climate, 22, 6515-6535.

27. Chiba, S, H. Sugisaki, M. Nonaka, and T. Saino, 2009: Geographical shift of zooplankton communities and decadal dynamics of the Kuroshio-Oyashio Currents in the western North Pacific. Global Change Biology, doi:10.1111/j.1365-2486.2009.01890.x.

26. Tanimoto, Y., S.-P. Xie, K. Kai, H. Okajima, H. Tokinaga, T. Murayama, M. Nonaka, H. Nakamura, 2009: Observations of marine atmospheric boundary layer transitions across the summer Kuroshio Extension, J. Climate, 22, 1360-1374, doi:10.1175/2008JCLI2420.1.

25. Nonaka, M., H. Nakamura, Y. Tanimoto, T. Kagimoto, and H. Sasaki, 2008: Interannual-to-decadal variability in the Oyashio Current and its influence on temperature in the subarctic frontal zone: An eddy-resolving OGCM simulation. J. Climate, 21, 6283-6303.

24. Nakamura, H.-H, A. Nishina, H. Ichikawa, M. Nonaka, and H. Sasaki, 2008: Deep countercurrent beneath the Kuroshio in the Okinawa Trough, J. Geophys. Res., doi:10.1029/2007JC004574, 113, C06030, doi:10.1029/2007JC004574.

23. Sasaki, Y. N., S. Minobe, N. Schneider, T. Kagimoto, M. Nonaka and H. Sasaki, 2008: Decadal sea level variability in the South Pacific in a global eddy-resolving ocean model hindcast. J. Phys. Oceanogr., 38, 1731-1747.

22. Sasaki, H., M. Nonaka, Y. Masumoto, Y. Sasai, H. Uehara, and H. Sakuma, 2008: An eddy-resolving hindcast simulation of the quasi-global ocean from 1950 to 2003 on the Earth Simulator. High Resolution Numerical Modelling of the Atmosphere and Ocean, W. Ohfuchi and K. Hamilton (eds.), chapter 10, pp. 157-186, Springer, New York.

21. Tomita, T., H. Sato, M. Nonaka, and M. Hara, 2007: Interdecadal variability of the early summer surface heat flux in the Kuroshio region and its impact on the Baiu frontal activity. Geophys. Res. Lett., 34, L10708, doi:10.1029/2007GL029676.

20. Taguchi, B., S.-P. Xie, N. Schneider, M. Nonaka, H. Sasaki, and Y. Sasai, 2007: Decadal variability of the Kuroshio Extension: Observations and an eddy-resolving model hindcast. J. Climate, 20, 2357-2377.

19. Nonaka, M., and H. Sasaki, 2007: Formation mechanism for isopycnal temperature-salinity anomalies propagating from the eastern South Pacific to the equatorial region. J. Climate, 20, 1305–1315.

18. Sasaki, H., Y. Sasai, M. Nonaka, Y. Masumoto, S. Kawahara, 2006: An eddy-resolving simulation of the quasi-global ocean driven by satellite-observed wind field. J. Earth Simulator, 6, 35-49.

17. Sasaki, H., and M. Nonaka, 2006: Far-reaching Hawaiian Lee Countercurrent driven by wind-stress curl induced by warm SST band along the current. Geophys. Res. Lett., 33, L13602, doi:10.1029/2006GL026540.

16. Nonaka, M., H. Nakamura, Y. Tanimoto, T. Kagimoto, and H. Sasaki, 2006: Decadal variability in the Kuroshio-Oyashio Extension simulated in an eddy-resolving OGCM. J. Climate, 19, 1970–1989.

15. Tokinaga, H., Y. Tanimoto, M. Nonaka, B. Taguchi, T. Fukamachi, S.-P. Xie, H. Nakamura, T. Watanabe, and I. Yasuda, 2006: Atmospheric sounding over the winter Kuroshio Extension: Effect of surface stability on atmospheric boundary layer structure. Geophys. Res. Lett., 33, L04703, doi:10.1029/2005GL025102.

14. Tomita, T., and M. Nonaka, 2006: Upper ocean mixed layer and the wintertime sea surface temperature variability in the North Pacific. J. Climate, 19, 300-307.

13. Nonaka, M., J. P. McCreary, and S.-P. Xie, 2006: Influence of midlatitude winds on the stratification of the equatorial thermocline. J. Phys. Oceanogr., 36, 222-237.

12. Xie, S.-P., H. Xu, W. S. Kessler, and M. Nonaka, 2005: Air-sea interaction over the eastern Pacific warm pool: Gap winds, thermocline dome, and atmospheric convection. J. Climate, 18, 5-25.

11. Hosoda, S., S.-P. Xie, K. Takeuchi, and M. Nonaka, 2004: Interdecadal Temperature Variations in the North Pacific Central Mode Water Simulated by an OGCM. J. Oceanogr. 60, 865-877.

10. Yu, Z., N. Maximenko, S.-P. Xie and M. Nonaka, 2003: On the termination of the Hawaiian Lee Countercurrent. Geophys. Res. Lett., 30 (5), 1215, doi:10.1029/2002GL016710.

9. Nonaka, M., and S.-P. Xie, 2003: Co-Variations of Sea Surface Temperature and Wind over the Kuroshio and its Extension: Evidence for Ocean-to-Atmospheric Feedback. J. Climate, 16, 1404-1413.

8. Tomita, T., S.-P. Xie, and M. Nonaka, 2002: Estimates of Surface and Subsurface Forcing for Decadal Sea Surface Temperature Variability in the Mid-Latitude North Pacific. J. Meteor. Soc. Japan, 80, 1289-1300.[pdf]

7. Nonaka M., S.-P. Xie, and J. P. McCreary, 2002: Decadal variations in the Subtropical Cells and equatorial Pacific SST. Geophys. Res. Lett., 29 (7), 1116, doi:10.1029/2001GL013717.

6. Hosoda, S., S.-P. Xie, K. Takeuchi, and M. Nonaka, 2001: Eastern North Pacific Subtropical Mode Water in a GCM: Formation mechanism and Salinity Effects. J. Geophys. Res., 106, 19671-19681

5. Xie, S.-P., W. T. Liu, Q. Liu, and M. Nonaka, 2001: Far-Reaching Effects of the Hawaiian Islands on the Pacific Ocean-Atmosphere. Science, 292, 2057-2060

4. Nonaka, M., and K. Takeuchi, 2001: Tropical subsurface salinity and tritium distributions in the Pacific: Their differences and formation mechanisms. J. Phys. Oceanogr., 31, 1388-1395

3. Nonaka, M., and S.-P. Xie, 2000: Propagation of North Pacific interdecadal subsurface temperature anomalies in an ocean GCM. Geophys. Res. Lett., 27, 3747-3750

2. Xie, S.-P., T. Kunitani, A. Kubokawa, M. Nonaka, and S. Hosoda, 2000: Interdecadal thermocline variability in the North Pacific for 1958-1997: A GCM simulation. J. Phys. Oceanogr., 30, 2798-2813

1. Nonaka, M., S.-P. Xie, and K. Takeuchi, 2000: Equatorward spreading of a passive tracer with application to North Pacific interdecadal temperature variations. J. Oceanogr., 56, 173-183. 

• Nonaka, M., 1998: A numerical investigation of the effects of the Subtropics on the Tropics Through the Ocean Circulation., Ph.D. Dissertation, Hokkaido University, Sapporo, Japan, 124 pp.
• Nonaka, M., 1994: A numerical study of the ocean circulation in the tropical Pacific (in Japanese)., M.S. thesis, Dept. of Geophysics, Hokkaido University, Sapporo, Japan, 61 pp.

Others:

• Xie, S.-P., M. Nonaka, Y. Tanimoto, H. Tokinaga, H. Xu, W. S. Kessler, R. J. Small, W. T. Liu, and J. Hafner, 2004: A fine view from space. Bull. Amer. Meteor. Soc., 85, 1060-1062.
• Sasaki, H., B. Taguchi, M. Nonaka, and Y. Masumoto, 2007: A series of quasi-global eddy-resolving ocean simulations. CLIVAR Exchanges, No. 42 (Vol.12, No. 3), 5-7.
• Nonaka, M., and H. Nakamura, 2007: Are sea surface temperature variations in the Kuroshio Extension and subarctic frontal zones in the western North Pacific Ocean coherent? Proceedings for the International Symposium on the Origin and Evolution of Natural Diversity, 201-205.

Publications in Japanese:

査読有り

• 田口文明、野中正見，2010：海面水温前線，天気，57，423-425.
• 谷本陽一、野中正見，2007：中高緯度域の大気海洋相互作用，天気，54, 525-528.

査読無し

• 野中正見、田口文明、佐々木英治，2010：数値モデルから見た1970年前後の黒潮続流域から親潮域の変動，月刊海洋，42，404-413.
• 野中正見、中村尚、田口文明、小守信正、吉田聡、高谷康太郎、佐々木英治, 2008：海面水温前線の海面熱fluxへの影響, 月刊海洋号外No. 49, 175-183, 海洋出版
• 谷本陽一、謝 尚平、甲斐浩平、時長宏樹、岡島秀樹、村山利幸、野中正見、中村尚, 2008：夏季黒潮続流上における海洋性大気境界層の変質過程, 月刊海洋号外No. 49, 42-48, 海洋出版
• 小橋史明、谷本陽一、岩坂直人、村山利幸、野中正見、時長宏樹、根田昌典, 2008：冬季黒潮続流域で観測された大気境界層の変動, 月刊海洋号外No. 49, 49-56, 海洋出版
• 冨田智彦、佐藤弘康、野中正見、原政之、山浦剛, 2008：黒潮域における初夏海面熱フラックスの数十年規模変動とその梅雨前線活動への影響, 月刊海洋号外No. 49, 159-164, 海洋出版
• 野中正見、谷本陽一、中村尚, 2007:北太平洋十年規模変動：黒潮･親潮続流域の大気海洋相互作用に注目して, 月刊海洋, 39, 698-705.
• 野中正見、中村尚、谷本陽一、鍵本崇、佐々木英治, 2006: 西部北太平洋における十年規模変動と親潮の経年変動−高解像度海洋大循環モデルOFESによる研究-, 月刊海洋号外No. 43, 19-34, 海洋出版
• 野中正見・乾朋子, 2001:  中緯度と低緯度の海水交換―数十年スケール変動における役割を念頭において− , 月刊海洋号外No. 24, 海洋出版
• 乾朋子・野中正見, 2001: Subduction processとその亜熱帯、熱帯循環への影響 , 月刊海洋号外No. 24, 海洋出版