Tamaki YASUDA

Research Themes

• Development of JMA/MRI ENSO prediction system

• Development of seasonal forecast system using global atmosphere-ocean coupled model

• Reproducibility of climate models in WCRP CMIP3 multi-model data set

• Decadal variability in the sea level around Japan

Education

• March 1997: Ph.D. in Science, Department of Geophysics, Graduate School of Science, Tohoku University, Japan

• March 1993: Master of Science, Department of Geophysics, Graduate School of Science, Tohoku University, Japan

• March 1991: Bachelor of Science, Department of Geophysics, Faculty of Science, Tohoku University, Japan

• March 1986: Graduated from Takikawa High School, Hokkaido, Japan

Employment Experiences

• April 2004-present: Senior research scientist, Climate Research Department, Meteorological Research Institute, Japan Meteorological Agency

• April 2001-March 2004: Research scientist, Climate Research Department, Meteorological Research Institute, Japan Meteorological Agency

• October 1998-March 2001: Research scientist, Oceanographic Research Department, Meteorological Research Institute, Japan Meteorological Agency

• October 1997-September 1998: Research scientist(PD), Japan Science and Technology Agency. Worked at Oceanographic Research Department, Meteorological Research Institute, Japan Meteorological Agency

• April 1997-September 1997: Research scientist(PD), Center for Atmospheric and Oceanic Studies, Faculty of Science, Tohoku University

Publications

• Fujii, Y., T. Nakaegawa, S. Matsumoto, T. Yasuda, G. Yamanaka, and M. Kamachi, 2009: Coupled Ocean and Atmosphere Simulation by Assimilating Ocean Observation Data to a Coupled Mode. Journal of Climate, in press.

• Sueyoshi, M., and T. Yasuda, 2009: Reproducibility and future projection of the ocean first baroclinic Rossby radius based on the CMIP3 multi-model dataset. Journal of Meteorological Society of Japan, 87, 821-827.

• Yamanaka G., T. Yasuda, Y. Fujii, and S. Matsumoto, 2009: Rapid termination of the 2006 El Nino and its relation to the Indian Ocean. Geophysical Research Letters, 36, L07702, doi:10.1029/2009GL037298.

• Hasegawa, T., T. Yasuda, and K. Hanawa, 2007: Multidecadal Variability of the Upper Ocean Heat Content Anomaly Field in the North Pacific and its Relationship to the Aleutian Low and the Kuroshio Transport. Papers in Meteorology and Geophysics, 58, 155-166.

• Nakano, T., I. Kaneko, T. Soga, H. Tsujino, T. Yasuda, H. Ishizaki, and M. Kamachi, 2007: Mid-depth freshening in the North Pacific subtropical gyre observed along the JMA repeat and WOCE hydrographic sections. 34, L23608, doi:10.1029/2007GL031433.

• Yasuda, T., Y. Takaya, C. Kobayashi, M. Kamachi, H. Kamahori, and T. Ose, 2007: Asian Monsoon Predictability in JMA/MRI Seasonal Forecast System. CLIVAR Exchanges, 43, 18-20.

• Hasegawa, T., T. Yasuda, and K. Hanawa, 2007: Generation Mechanism of Quasi-Decadal Variability of Upper Ocean Heat Content in the Equatorial Pacific Ocean. Journal of Geophysical Research, 112, C08012, doi:10.1029/2006JC003755.

• Yasuda, T., and K. Sakurai, 2006: Interdecadal Variability of the Sea Surface Height around Japan. Geophysical Research Letter, 33, L01605, doi:10.1029/2005GL024920.

• Usui, N., S. Ishizaki, Y. Fujii, H. Tsujino, T. Yasuda, and M. Kamachi, 2006: Meteorological Research Institute Multivariate Ocean Variational Estimation (MOVE) System: Some early results. Advances in Space Research, 37, 806-822.

• Tokieda, T., M. Ishii, T. Yasuda, and K. Enyo, 2004: Chlorofluorocarbon in the North Pacific Central Mode Water: possibility of under-saturation of CFC in the wintertime mixed layer. Geochemical Journal, 38, 643-650.

• Tsujino,T., and T. Yasuda, 2003: Formation and circulation of Mode Water of the North Pacific in a High Resokution GCM. submitted to Journal of Physical Oceanography, 34, 399-415.

• Yasuda, T., and Y. Kitamura, 2003: Long-term variability of the North Pacific Subtropical Mode Water in response to the spin-up of the subtropical gyre. Journal of Oceanography, Vol.59, 279-290.

• Hanawa, K. and T. Yasuda, 2000: Reconstruction of sea surface wind fields over the North Pacific using sea level pressure fields during the period of 1899-1995. Journal of the Meteorological Society of Japan, 78, 731-751.

• Yasuda, T., and K. Hanawa, 1999: Composite analysis of North Pacific subtropical mode water properties with respect to the strength of the wintertime East Asian monsoon. Journal of Oceanography, 55, 531-541.

• Yasuda, T., and K. Hanawa, 1997: Decadal changes in the mode waters in the midlatitude North Pacific. Journal of Physical Oceanography, 27, p.858-870.

• Yasuda, T., and K. Hanawa, 1996: Influence of asymmetric wind stress curl on the general ocean circulation using an eddy-resolving quasi-geostrophic model. Journal of Oceanography, 52, 189-206.

• Hanawa, K., and T. Yasuda, 1992: New detection method for XBT error and relationship between the depth error and coefficients in the depth-time equation. Journal of Oceanography, 48, 221-230.