[Japanese]

Refereed Papers

• Balmaseda, M. A., O. J. Alves, A. Arribas, T. Awaji, D. W. Behringer, N. Ferry, Y. Fujii, T. Lee, M. Rienecker, T. Rosati, and D. Stammer (2009):
  Ocean initialization for seasonal forecasts.
  Oceanogr., 22, 144-153.

• Fujii, Y. (2005):
  Preconditioned Optimizing Utility for Large-dimensional analyses (POpULar).
  J. Oceanogr., 61, 167-181

• Fujii, Y., S. Ishizaki, and M. Kamachi (2005):
  Application of nonlinear constraints in a three-dimensional variational ocean analysis.
  J. Oceanogr., 61, 655-662

• Fujii, Y., H. Tsujino, N. Usui, H. Nakano, and M. Kamachi (2008):
  Application of singular vector analysis to the Kuroshio large meander.
  J. Geophys. Res., 113, C07026, doi:10.1029/2007JC004476.

• Fujii, Y., T. Nakaegawa, S. Matsumoto, T. Yasuda, G. Yamanaka, and M. Kamachi (2009):
  Coupled climate simulation by constraining ocean fields in a coupled model with ocean data.
  J. Climate, 22(20), 5541-5557.

• Galperin, B., H. Nakano, H.-P. Huang, and S. Sukoriansky (2004):
  The ubiquitous zonal jets in the atmospheres of giant planets and Earth's oceans.
  Geophys. Res. Lett., 31, L13303, doi:10.1029/2004GL019691.

• Hasegawa, T., and K. Hanawa (2006):
  Impact of Quasi-decadal Variability in the Tropical Pacific on ENSO Modulations.
  J. Oceanogr., 62, 224-227.

• Hasegawa, T., T. Horii, and K. Hanawa (2006):
  Two different features of discharge of equatorial upper oncean heat content related to El Nino events.
  Geophys. Res. Lett., 33, L02609, doi:10.1029/2005GL024832.

• Hasegawa, T. and K. Hanawa (2007):
  Upper ocean heat content and atmospheric anomaly fields in the off-equatorial North Pacific related to ENSO.
  J. Oceanogr., 63, 561-572.

• Hirabara, M., H. Ishizaki, and I. Ishikawa (2007) :
  Effects of the Westerly Wind Stress over the Southern Ocean on the Meridional Overturning
  J. Phys. Oceanogr., 37, 2114-2132.

• Hurlburt, H. E., G. B. Brassington, Y. Drillet, M. Kamachi, M. Benkiran, R. Bourdalle-Badie, E. P. Chassignet, G. A. Jacobs, O. Le Galloudec, J. M. Lellouche, E. J. Metzger, O. M. Smedstad, B. Tranchant, H. Tsujino, N. Usui, and A. J. Wallcraft (2009) :
  High-Resolution Global and Basin-Scale Ocean Analyses and Forecasts.
  Oceanography, 22, 110-127.

• Ishikawa, I., and H. Ishizaki (2009):
  Importance of eddy representation for modeling the intermediate salinity minimum in the North Pacific: Comparison between eddy-resolving and eddy-permitting models
  J. Oceanogr., 65, 407-425.

• Ishizaki, H., and I. Ishikawa (2004):
  Simulation of Formation and Spreading of Salinity Minimum Associated with NPIW Using a High-Resolution Model
  J. Oceanogr., 60, 463-485

• Ishizaki, H., and I. Ishikawa (2006):
  High parallelization efficiency in barotropic-mode computation of ocean models based on multi-grid boundary ghost area
  Ocean Modelling, 13, 238-254.

• Ishizaki, H., and G. Yamanaka (2010):
  Impact of explicit sun altitude in solar radiation on an ocean model simulation
  Ocean Modelling, 33, 52-69

• Isobe, A., M. Kamachi, N. Masumoto, H. Uchida, and T. Kuragano (2004):
  Seasonality of the Kuroshio transport revealed in a Kuroshio assimilation system
  J. Oceanogr., 60, 321-328

• Kamachi, M., T. Kuragano, H. Ichikawa, H. Nakamura, A. Nishina, A. Isobe, D. Ambe, M. Arai, N. Gohda, S. Sugimoto, K. Yoshita, T. Sakurai, and F. Uboldi (2004):
  Operational data assimilation system for the Kuroshio south of Japan: Reanalysis and validation
  J. Oceanogr., 60, 303-312

• Kamachi, M., T. Kuragano, S. Sugimoto, K. Yoshita, T. Sakurai, T. Nakano, N. Usui, and F. Uboldi (2004):
  Short-range prediction experiments with operational data assimilation system for the Kuroshio south of Japan.
  J. Oceanogr., 60, 269-282

• Kitoh, A, T. Motoi and O. Arakawa (2009):
  Climate modeling study on mountain uplift and Asian monsoon evolution.
  Geological Society of London “Monsoon Evolution and Techtonics-Climate Linkage in Asia”.

• Kuragano, T., and M. Kamachi (2004):
  Balance of volume transports between horizontal circulation and meridional overturn in the North Pacific subarctic region.
  J. Oceanogr., 60, 439-451

• Midorikawa, T., M. Ishii, K. Nemoto, H. Kamiya, A. Nakadate, S. Masuda, H. Matsueda, T. Nakano, and H. Y. Inoue (2006):
  Interannual variability of winter oceanic CO2 and air-sea CO2 flux in the western North Pacific for 2 decades.
  J. Geophys. Res.,111, C07S02, doi:10.1029/2005JC003095.

• Motoi, T and W.-L. Chan (2009):
  Colder Subarctic Pacific with larger sea ice caused by closure of the Central American Seaway and its influence on East Asian monsoon: a climate model study.
  Geological Society of London “Monsoon Evolution and Techtonics-Climate Linkage in Asia”.

• Murazaki, K., H. Sasaki, H. Tsujino, I. Takayabu, Y. Sato, H. Ishizaki, and K. Kurihara (2004):
  Climatic Change Projection for the Ocean around Japan using a High-Resolution Coupled Atmosphere-Ocean Regional Climate Model.
  SOLA, 1, 101-104

• Nakano, H., and H. Hasumi (2005):
  A Series of Zonal Jets Embedded in the Broad Zonal Flows in the Pacific Obtained in Eddy-Permitting Ocean General Circulation Models.
  J. Phys. Oceanogr., 35, 474-488

• Nakano, H., H. Tsujino, and R. Furue (2008):
  The Kuroshio Current System as a jet and twin ``relative'' recirculation gyres embedded in the Sverdrup circulation.
  Dynamics of Atmosphere and Ocean, 45, 135-164.

• Nakano, H., and I. Ishikawa (2010):
  Meridional shift of the Kuroshio Extension induced by response of recirculation gyre to decadal wind variations.
  Deep-Sea Research Part II., (in press)

• Nakano, H., T. Motoi, K. Hirose, M. Aoyama (2010):
  Analysis of 137Cs concentration in the Pacific using a Lagrangian approach.
  J. Geophys. Res., (in press)

• Nakano, T., I. Kaneko, M. Endoh, and M. Kamachi (2005):
  Interannual and Decadal Variabilities of the NPIW Salinity Minimum Core Observed along JMA's Hydrographic Repeat Sections.
  J. Oceanogr., 61, 681-697

• Oke, P. R., M. A. Balmaseda, M. Benkiran, J. A. Cummings, E. Dombrowsky, Y. Fujii, S. Guinehut, G. Larnicol, P.-Y. Le Traon, and M. J. Martin (2009):
  Observing system evaluations using GODAE systems.
  Oceanogr., 22, 144-153.

• Sakamoto, K., H. Tsujino, S. Nishikawa, H. Nakano, T. Motoi (2010):
  Dynamics of the Coastal Oyashio and its seasonal variation in a high-resolution western North Pacific Ocean model.
  J. Phys. Oceanogr., (in press), doi:10.1175/2010JPO4307.1.

• Sasaki, H. K. Kurihara, I. Takayabu, K. Murazaki, Y. Sato, and H. Tsujino (2006):
  Preliminary Results from the Coupled Atmosphere-Ocean Regional Climate Model at the Meteorological Research Institute.
  J. Meteor. Soc. Jpn., 84, 389-403.

• Sato, Y., S. Yukimoto, H. Tsujino, H. Ishizaki, and A. Noda (2006):
  Response of North Pacific ocean circulation in a Kuroshio-resolving ocean model to an Arctic Oscillation (AO)-like change in Northern Hemisphere atmospheric circulation due to greenhouse-gas forcing.
  J. Meteor. Soc. Jpn., 84, 295-309.

• Shimizu, Y., T. Iwao, I. Yasuda, S. Ito, T. Watanabe, K. Uehara, N. Shikama, and T. Nakano (2004):
  Formation Process of North Pacific Intermediate Water Revealed by Profiling Floats Set to Drift on 26.7 sigma-theta Isopycnal Surface
  J. Oceanogr., 60, 435-462

• Suzuki, T., H. Sasaki, N. Nakashiki, and H. Nakano (2008):
  Common success and failure in simulating the Pacific surface currents shared by four high-resolution ocean models.
  In Ocean Modeling in an Eddying Regime, M. W. Hecht and H. Hasumi (eds.)
  Geophysical Monograph. 177pp, 165-175, AGU, Washington D.C.

• Tsujino, H., and T. Yasuda (2004):
  Formation and Circulation of Mode Waters of the North Pacific in a High-Resolution GCM.
  J. Phys. Oceanogr., 34, 399-415

• Tsujino, H., N. Nusui, and H. Nakano (2006):
  Dynamics of Kuroshio path variations in a high-resolution GCM.
  J. Geophys. Res., 111 , C11001, doi:10.1029/2005JC003118

• Tsujino, H., H. Nakano, and T. Motoi (2008):
  Mechanism of currents through the Straits of the Japan Sea: Mean State and Seasonal Variation.
  J. Oceanogr., 64, 141-161.

• 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.
  Adv. Space Res., 37, 806-822, doi:10.1016/j.asr.2005.09.022

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  Short-range prediction experiments of the Kuroshio path variabilities south of Japan.
  Ocean Dynamics, 56, 607-623.

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2008):
  Generation of a trigger meander for the 2004 Kuroshio large meander.
  J. Geophys. Res., 113, C01012, doi:10.1029/2007JC004266.

• Usui, N., H. Tsujino, H. Nakano, and Y. Fujii (2008):
  Formation process of the Kuroshio large meander in 2004.
  J. Geophys. Res., 113, C08047, doi:10.1029/2007JC004675.

• Wada, A, and N. Usui (2007):
  Importance of Tropical Cyclone Heat Potential for Tropical Cyclone Intensity and Intensification in the Western North Pacific. J. Oceanogr., 63, 427-447.

• Wada, A., K. Sato, N. Usui and Y. Kawai (2009):
  Comment on “Importance of pre-existing oceanic conditions to upper ocean response induced by Super Typhoon Hai-Tang” by Z.-W. Zheng, C.-R. Ho, and N.-J. Kuo. Geophys. Res. Lett., 36, L09603, doi:10.1029/2008GL036890.

• Yamanaka, G. (2008):
  Discrepancies between observed and ocean general circulation model-simulated anomalies in recent SSTs of the tropical Indian Ocean caused by apparent trends in atmospheric reanalysis data. Geophys. Res. Lett., 35, L18603, doi:10.1029/2008GL034737.

• Yamanaka, G., H. Ishizaki, M. Hirabara, and I. Ishikawa (2008):
  Decadal variability of the Subtropical Front of the western North Pacific in an eddy-resolving ocean general circulation model. J. Geophys. Res., 113, C12027, doi:10.1029/2008JC005002.

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

Non-refereed papers

• Kamachi, M., S. Sugimoto, K. Yoshita, T. Sakurai, T. Nakano, and T. Kuragano, (2006):
  Prediction of the Kuroshio Meander with JMA Operational Ocean Assimilation-Prediction System (COMPASS-K).
  Proceedings of the fourth WMO International symposium on assimilation of observations in Meteorology and Oceanography.

• Fujii, Y., M. Kamachi, N. Usui, H. Tsujino, and H. Nakano (2009):
  Application of singular vector analysis to the Kuroshio large meander.
  5th WMO Data Assimilation Symposium Extended Abstract, 262. 1-8.

• Fujii, Y., N. Usui, H. Tsujino, and M. Kamachi, (2006):
  A new strategy with a time-spreading correction technique in the 4DVAR version of MRI Multivariate Ocean Variational Estimation (MOVE) System.
  Proceedings of the fourth WMO International symposium on assimilation of observations in Meteorology and Oceanography.

• Fujii, Y., T. Yasuda, T. Nakaegawa, and M. Kamachi (2008):
  Coupled Ocean and Atmosphere Simulation by Assimilating Ocean Observation Data to a Coupled Model.
  Third WCRP International Conference on Reanalysis Extended Abstract.

• Ishizaki, S., T. Yasuda, Y. Fujii, N. Usui, and M. Kamachi, (2006):
  Global temperature and salinity reanalysis experiment using MRI Multivariate Ocean Variational Estimation (MOVE) System.
  Proceedings of the fourth WMO International symposium on assimilation of observations in Meteorology and Oceanography.

• Motoi, T., W.-L. Chan, T. Miyakawa and N. Usui (2008):
  Sea-ice flow from the Okhotsk Sea to the Pacific Ocean through the Nemuro Strait in 2008.
  Proceedings of 2008 PICES Workshop on the Okhotsk Sea and Adjacent Waters.

• Nakano, H., M.Hirabara, H.Tsujino, and T.Motoi, (2008):
  Development of a global ocean model with the resolution 1ox1/2oand 1/8o x 1/12o.
  CLIVAR Exchanges, 44, 11-13.

• Soga,　T., I. Ishikawa, S. Matsumoto, Y. Fujii, and T. Yasuda, (2008):
  New Ocean Data Assimilation System for monitoring ENSO at Japan Meteorological Agency.
  Third WCRP International Conference on Reanalysis Extended Abstract.

• Tsujino, H., and Y. Fujii, (2007):
  Improved representation of currents and water masses in the upper layer of the North Pacific Ocean in eddy-resolving OGCMs.
  CLIVAR Exchanges, 42, 19-21.

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  Reanalysis experiment using MRI Multivariate Ocean Variational Estimation (MOVE) System in the Western North Pacific.
  Proceedings of the fourth WMO International symposium on assimilation of observations in Meteorology and Oceanography.

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  Formation process of the Kuroshio Large Meander in 2004.
  Proceedings of the Symposium on "15 years of progress in Rader Altimetry"

• Usui, N., S. Ishizaki, Y. Fujii, and M. Kamachi (2009):
  Improving strategies with constraints regarding non-Gaussian statistics in MOVE/MRI.COM.
  5th WMO Data Assimilation Symposium Extended Abstract, 260.1-8.

• Yamanaka, G. (2008):
  A discrepancy between observed and OGCM-simulated trends in recent SSTs of the Indian Ocean: Apparent trends in atmospheric reanalysis data.
  Proceedings of the 3rd WCRP International Conference on Reanalysis

• Yamanaka, G. (2009):
  Discrepancies between observed and OGCM-simulated anomalies in recent SSTs of the tropical Indian Ocean.
  Proceedings of the OceanObs’09

Oral and poster presentations (in English)

• Awaji, T., N. Sugiura, N. Ishida, Y. Sasaki, T. Miyama, T. Mochizuki, H. Igarashi, S. Masuda, T. Nakamura, Y. Ishikawa, N. Komori, and M. Kamachi (2004):
  The MEXT's Coupled Data Assimilation Experiment in Japan.
  CLIVAR Ocean Reanalysis Workshop

• Balmaseda , M. A., O. Alves, A. Arribas, T. Awaji, D. Behringer, N. Ferry, Y. Fujii, T. Lee, M. Rienecker, T. Rosati, and D. Stammer (2008):
  Ocean Initialization for Seasonal Forecasts.
  GODAE Final Symposium.

• Balmaseda, M., Y. Fujii, O. Alves, T. Lee, M. Rienecker, T. Rosati, D. Stammer, Y. Xue, H. Freeland, M. McPhaden, L. Goddard, and C. Coelho (2009):
  Ocean Observations for an End-to-End Seasonal Forecasting System.
  OceanObs'09, Venice, Italy.

• Balmaseda, M., O. Alves, T. Awaji, D. Behringer, N. Ferry, Y. Fujii, T. Lee, M. Rienecker, T. Rosati, D. Stammer, D. Smith, F. Molteni (2009):
  Initialization for Seasonal and Decadal Forecasts.
  OceanObs'09, Venice, Italy.

• Derber, J., D. McLaughlin, A. O'Neil, and M. Kamachi (2005):
  Panel discussion: What can the research and operations communities offer each other?.
  The Fourth WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

• Fujii, Y., S. Ishizaki, and M. Kamachi (2003):
  Three-Dimensional Analysis of Temperature and Salinity in the Equatorial Pacific Using a Variational Method with Vertical Coupled Temperature- Salinity EOF modes.
  International Workshop On the Low-Frequency Modulation of ENSO

• Fujii, Y., S. Ishizaki, N. Usui, T. Yasuda, H. Tsujino and M. Kamachi (2004):
  Impact of salinity correction in the Meteorological Research Institute Ocean Variational Estimation System
  COSPAR2004

• Fujii, Y., S. Matsumoto, S. Ishizaki, and T. Yasuda (2006):
  Variation of South Pacific Tropical Water in an ocean data assimilation system (MRI-MOVE) and its relation to ENSO.
  2006 AGU fall meeting

• Fujii, Y., N. Usui, S. Ishizaki, and M. Kamachi (2004):
  Preconditioned Optimizing Utility for Large-dimensional analyses (POpULar) in the MRI Multivariate Ocean Variational Estimation (MOVE) System.
  GODAE Summer School 2004

• Fujii, Y., N. Usui, S. Ishizaki, and M. Kamachi (2004):
  MRI Multivariate Ocean Variational Estimation (MOVE) System Part 1: System Design.
  Second Symposium on the Global Ocean Data Assimilation System "GODAE in Operation: Demonstrating Utility"

• Fujii, Y., N. Usui, S. Ishizaki, H. Tsujino, T. Yasuda, M. Kamachi (2004):
  MRI Multivariate Ocean Variational Estimation (MOVE) System.
  OST/ST Meeting 2004

• Fujii, Y., N. Usui, S. Ishizaki, H. Tsujino, T. Yasuda, and M. Kamachi (2004):
  Assimilation of satellite altimetry data into Meteorological Research Institute Ocean Variational Estimation System (MOVE-System).
  Workshop of the Ocean Surface Topography Science Team (OST/ST) of Japan

• Fujii, Y., N. Usui, S. Ishizaki, H. Tsujino, T. Yasuda, M. Kamachi, K. Yoshita, T. Sakurai, K. Sakamoto, T. Yoshida, T. Kuragano, Y. Kitamura (2004):
  Assimilation of ARGO Float Salinity Data in Ocean Data Assimilation Systems in the Japan Meteorological Agency.
  Intl. Workshop on the application of ARGO

• Fujii, Y., N. Usui, S. Ishizaki, S. Matsumoto, H. Tsujino, T. Yasuda, T. Nakano, and, M. Kamachi (2006):
  Modeling of background error statistics with temperature-salinity coupling.
  GODAE Symposium on ocean data assimilation and prediction in Asia-Oceania

• Fujii, Y., N. Usui, H. Tsujino, and M. Kamachi (2005):
  A new strategy with a time-spreading correction technique in the 4DVAR version of MRI Multivariate Ocean Variational Estimation System (MOVE-4DVAR)
  4th WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

• Fujii, Y., N. Usui, H. Tsujino, H. Nakano, S. Ishizaki, and M. Kamachi (2005):
  The Kuroshio meandering south of Japan: prediction and interpretation in JMA/MRI.
  EGU2005

• Fujii, Y., S. Matsumoto, S. Ishizaki, and M. Kamachi (2006):
  Variation of the South Pacific Tropical Water in an ocean data assimilation system (MRI-MOVE) and its relation to ENSO.
  Second Argo Science Workshop

• Fujii, Y., S. Matsumoto, T. Yasuda, and M. Kamachi (2007):
  Role of TAO-TRITON Arrays in the ENSO analysis and prediction using the ocean data assimilation system and the coupled model of MRI and JMA.
  Symposium on Observational studies of climate variability in the Pacific and Indian Oceans - Roles of surface buoy network -.

• Fujii, Y., H. Tsujino, N. Usui, S. Ishizaki, S. H. Nakano, and M. Kamachi (2007):
  OSSE-OSE activities with Multivariate Ocean Variational Estimation (MOVE) System. I: Application of singular vector analysis to the Kuroshio large meander.
  2007 OOPC- GODAE OSSE-OSE meeting.

• Fujii, Y., T. Yasuda, T. Nakaegawa, and M. Kamachi (2008):
  Coupled Ocean and Atmosphere Analysis by Assimilating Ocean Observation Data to a Coupled Model.
  Third WCRP International Conference on Reanalysis.

• Fujii, Y., S. Matsumoto, T. Nakano, T. Yasuda, and M. Kamachi (2008):
  Salinity variability in the tropical and subtropical Pacific in the MRI Multivariate Ocean Variational Estimation (MOVE) System.
  2008 Ocean Sciences Meeting.

• Fujii, Y., T. Yasuda, T. Nakaegawa, and M. Kamachi (2008):
  Coupled Ocean and Atmosphere Analysis by Assimilating Ocean Observation Data to a Coupled Model.
  Asia-Oceania Geosciences Society 2008.

• Fujii, Y., H. Tsujino, N. Usui, H. Nakano, and M. Kamachi (2008):
  Singular Vector Analysis of the Kuroshio Large Meander.
  Sasaki Symposium in Asia-Oceania Geosciences Society 2008.

• Fujii, Y., T. Yasuda, T. Nakaegawa, and M. Kamachi (2008):
  Coupled Ocean and Atmosphere Analysis by Assimilating Ocean Observation Data to a Coupled Model.
  CLIVAR-GSOP 2008.

• Fujii, Y., S. Matsumoto, N. Usui, H. Tsujino, T. Yasuda, and M. Kamachi (2008):
  OSE-OSSE activities using the ocean data assimilation and prediction system MOVE/MRI.COM.
  GODAE Final Symposium.

• Fujii, Y., T. Soga, S. Ishizaki, N. Usui, and M. Kamachi (2009):
  Quality Control and Diagnostic of Observation Data in Operational Ocean Data Assimilation Systems in JMA.
  2nd GODAE Ocean System Evaluation Workshop, Toulouse, France.

• Fujii, Y, S. Matsusmoto, T. Yasuda, M. Kamachi, and K. Ando (2009):
  OSE Experiments Using the JMA-MRI ENSO Forecasting System.
  2nd GODAE Ocean System Evaluation Workshop, Toulouse, France.

• Fujii, Y., M. Kamachi, N. Usui, S. Matsumoto, T. Yasuda, and S. Ishizaki (2009):
  Observing System evaluation using the ocean data assimilation and prediction system, MOVE/MRI.COM.
  OceanObs'09, Venice, Italy.

• Fujii, Y., M. Kamachi, N. Usui, H. Tsujino, and H. Nakano (2009):
  Application of singular vector analysis to the Kuroshio large meander.
  5th WMO Data Assimilation Symposium, Melbourne, Australia.

• Hasegawa, T., and K. Hanawa (2004a):
  Decadal-Scale Variability of Upper Ocean Heat Content Anomaly in the Central Equatorial Pacific and Its Relationship with Atmospheric Anomaly Fields.
  CLIVR2004

• Hasegawa, T., and K. Hanawa (2004b):
  Relationship between Upper Ocean Heat Content Anomaly in the Central Equatorial Pacific and Large-scale Atmospheric Anomaly Fields at Decadal Timescale.
  2004 Western Pacific Geophysics Meeting

• Hasegawa, T., and K. Hanawa (2005):
  A relationship between low-frequency modulation of ENSO and ENSO-like quasi-decadal variation.
  Dynamic Planet 2005

• Hasegawa, T., T. Yasuda, and K. Hanawa (2005):
  A quasi-decadal variability in the tropical Pacific: propagation characteristics of upper ocean heat content and variation of Sverdrup transport.
  Dynamic Planet 2005

• Hasegawa, T., T. Yasuda, and K. Hanawa (2006):
  Multidecadal Variability of Heat Content Anomaly Field in the North Pacific and Its Relationship to the Aleutian Low and the Kuroshio Transport.
  2006 Ocean Sciences Meeting

• Hasegawa, T., T. Yasuda, and K. Hanawa (2006):
  Impact of Decadal Variability in the Tropical Pacific on Low-frequency Modulation of ENSO.
  2006 Western Pacific Geophysics Meeting

• Hasegawa, T., T. Horii, T. Yasuda, and K. Hanawa (2006):
  Two Different Features of Discharge of Equatorial Upper Ocean Heat Content Related to El Nino Events: Observational Evidence and OGCM Simulation.
  2006 Western Pacific Geophysics Meeting, July, Beijing.

• Hasegawa, T., and K. Hanawa (2006):
  Why do upper ocean heat content anomalies not propagate westward in the tropical South Pacific after ENSO events?
  Climate Change: Past and Future, Sendai, Nov., 2006.

• Hirabara, M., H. Ishizaki, and I. Ishikawa (2005):
  Effects of the westerly wind stress over the Southern Ocean on the abyssal circulation.
  Dynamic Planet 2005

• Hirabara, M., H. Ishizaki, G. Yamanaka, I. Ishikawa (2007):
  Parameterization of Sub-Grid Tracer Transport in Eddy-Permitting Ocean Models.
  2007 IUGG XXIV

• Ishikawa, I., and H. Ishizaki (2004):
  Spontaneous interannual to decadal scale variations in the Kuroshio and its recirculation in a high-resolution North Pacific Model.
  2004 AGU Fall Meeting.

• Hirabara, M. and H. Ishizaki (2006):
  Anisotropic Eddy Parameterizations Implemented in a Coarse Ocean General Circulation Model.
  2006 AGU Fall Meeting.

• Ishikawa, I., and H. Ishizaki (2004):
  Spontaneous interannual to decadal scale variations in the Kuroshio and its recirculation in a high-resolution North Pacific Model.
  2004 AGU Fall Meeting.

• Ishikawa, I., and H. Ishizaki (2006):
  Comparison between eddy-permitting and eddy-resolving North Pacific models on eddy fluxes of heat and salt.
  2006 Ocean Sciences Meeting

• Ishizaki, S., Y. Fujii, T. Yasuda, M. Kamachi (2005):
  Correction of zonal wind stress data based on oceanic observations in the equatorial Pacific in an ocean data assimilation system.
  Dynamic Planet 2005

• Ishizaki, S., T. Yasuda, Y. Fujii, N. Usui, and M. Kamachi (2004):
  MRI Multivariate Ocean Variational Estimation (MOVE) System. Part 2: Global Experiment and Reanalysis Product.
  Second Symposium on the Global Ocean Data Assimilation System "GODAE in Operation: Demonstrating Utility"

• Ishizaki, H., M. Hirabara, G. Yamanaka, and I. Ishikawa (2006):
  Lateral Mixing of Tracers due to Small-Scale Disturbances Simulated in an Eddy-Resolving OGCM.
  2006 AGU Fall Meeting.

• Ishizaki, S., T. Yasuda, Y. Fujii, N. Usui, and M. Kamachi (2004):
  MRI Multivariate Ocean Variational Estimation (MOVE) System. Part 2: Global Experiment and Reanalysis Product.
  Second Symposium on the Global Ocean Data Assimilation System "GODAE in Operation: Demonstrating Utility"

• Ishizaki, S., T. Yasuda, Y. Fujii, N. Usui, and M. Kamachi (2005):
  Global temperature and salinity reanalysis experiment using MRI Multivariate Ocean Variational Estimation (MOVE) System.
  4th WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

• Ishizaki, S., S. Matsumoto, Y. Fujii, T. Sakurai, T. Yoshida, T. Kuragano, and M. Kamachi (2006):
  Salinity impacts and balance correction of wind stress and sea surface height in MRI-MOVE system.
  Second Argo Science Workshop

• Ishizaki, S., N. Usui, H. Tsujino, T. Umeda, and M. Kamachi (2008):
  Operational use of regional ocean data assimilation system.
  GODAE Final Symposium

• Iwao, T., M. Endoh, N. Shikama, and T. Nakano (2003):
  Intermediate Circulation in the Northwestern North Pacific Derived from Subsurface Float Movements (1998-2002)
  First Argo Science Workshop

• Kamachi, M. (2004):
  Data Assimilation and Ocean Prediction.
  (GODAE). IGOS International Workshop

• Kamachi, M. (2004):
  JMA Operational Ocean State Estimation and Prediction System in the North Pacific.
  Sixth IOC/WESTPAC International Scientific Symposium "Challenges for Marine Science in the Western Pacific"

• Kamachi, M. (2004):
  Japan National Report.
  GODAE/IGST X, France

• Kamachi, M. (2005):
  Impacts of ship-based observation on ocean re-analysis.
  International Repeat Hydrography Workshop

• Kamachi, M. (2005):
  An overview of application of ocean data assimilation.
  The Fourth WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

• Kamachi, M., Y. Fujii, S. Ishizaki, N. Usui (2005):
  Impacts of multivariate analysis in MRI ocean data assimilation system.
  Joint Workshop on Coupled Model Simulation and Assimilation

• Kamachi, M., Y. Fujii, S. Ishizaki, N. Usui, T. Nakano, T. Kuragano, S. Sugimoto, T. Sakurai, K. Yoshita, N. Yoshioka (2004):
  Data assimilation in the Pacific Ocean as an application of observing system to physical oceanography and climate research.
  PICES 13th Annual Meeting

• Kamachi, M., Y. Fujii, S. Ishizaki, N. Usui, T. Nakano, T. Yasuda, H. Tsujino (2003):
  Three-dimensional analyses of salinity and temperature in the Pacific using a variational method with vertical coupled temperature-salinity EOF modes
  First Argo Science Workshop

• Kamachi, M., Y. Fujii, S. Ishizaki, and T. Yasuda (2004):
  Three Dimensional Analysis of Temperature and Salinity in the Equatorial Pacific Using a 3DVAR-Coupled EOF Decomposition Method.
  Sixth IOC/WESTPAC International Scientific Symposium "Challenges for Marine Science in the Western Pacific"

• Kamachi, M., Y. Fujii, S. Ishizaki, and N. Usui (2004):
  Inter-Comparison Pilot Project in the North and Equatorial Pacific.
  MERSEA Strand-1 and GODAE-Intercomparison Workshop

• Kamachi, M., S. Ishizaki, S. Masuda, N. Usui, and Y. Fujii (2005):
  Inter-Comparison of Pacific Ocean Data Assimilation Systems: Preliminary Results in the GODAE Pacific IC Pilot Project.
  Colloquium in honour and in memory of Christian Le Provost

• Kamachi, M., S. Matsumoto, T. Nakano, Y. Fujii, N. Usui, and T. Yasuda (2006):
  Multivariate Ocean Variational Estimation (MOVE/MRI.COM) System in JMA/MRI: Synthesis and Reanalysis with Emphasis on Temperature-Salinity Water Mass Variation.
  CLIVAR/GODAE Meeting on Ocean Synthesis Evaluation

• Kamachi, M., T. Sakurai, Y. Kurihara, and T. Kuragano, (2006):
  JMA_MGDSST: Operational Product of Japan GHRSST -Merged Satellite and In-situ Data Global Daily SST-
  GODAE Symposium on ocean data assimilation and prediction in Asia-Oceania

• Kamachi, M., S. Sugimoto, K. Yoshita, T. Sakurai, T. Nakano, and T. Kuragano (2005):
  Prediction of Kuroshio Meander With JMA Operational Ocean Assimilation-Prediction System (COMPASS-K)
  4th WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

• Masuda, S., M. Kamachi, T. Awaji, N. Sugiura, Y. Ishikawa, H. Igarashi (2004):
  Dynamical Ocean State During 1990-2002, Estimated from a 4 Dimensional Variational Data Assimilation.
  International Symposium "GODAE in Operation: Demonstration Utility"

• Matsumoto, S., T. Nakano, Y. Fujii, S. Ishizaki and M. Kamachi (2006):
  MOVE/MRI.COM System : Practical Implementations of Multivariate Structure in B-matrix and Water Mass Analyses.
  GODAE Symposium on ocean data assimilation and prediction in Asia-Oceania

• Matsumoto, S., Y. Fujii, T. Soga, T. Yasuda, S. Ishizaki, N. Usui, and M. Kamachi (2007):
  OSSE-OSE activities with Multivariate Ocean Variational Estimation (MOVE) System. II: Impacts of salinity and TAO/TRITON.
  2007 OOPC-GODAE OSSE-OSE meeting.

• Motoi, T., W.-L. Chan, T. Miyakawa and N. Usui (2008):
  Sea-ice flow from the Okhotsk Sea to the Pacific Ocean through the Nemuro Strait in 2008.
  2008 PICES Workshop on the Okhotsk Sea and Adjacent Waters.

• Motoi, T., H.Nakano, M.Aoyama and K.Hirose (2008):
  Spreading of injected 137Cs fallout from the subarctic Atlantic to the Antarctic deep ocean.
  SCAR/IASC IPY Open Science Conference.

• Motoi, T., W.-L. Chan, T. Miyakawa and N. Usui (2008):
  Sea-ice flow from the Okhotsk Sea to the Pacific Ocean through the Nemuro Strait in 2008.
  2008 PICES Workshop on the Okhotsk Sea and Adjacent Waters.

• Motoi, T. (2009):
  Sensitivity of ocean mixed-layer features in the North Pacific and its marginal seas to paleosalinity .
  2009 AGU Fall Meeting .

• Nakano, H., and H. Tsujino (2004):
  Dynamics of separation of Kuroshio in eddy-permitting general circulation models in an idealized basin,
  2004 AGU Fall Meeting.

• Nakano, H., and H. Tsujino (2006):
  A new point of view on the Kuroshio Current System.
  2006 Ocean Sciences Meeting

• Nakano, H. (2006):
  Zonal jets in fine-resolution OGCMs.
  AGU Chapman Conference on Jets and Annular Structures in Geophysical Fluid

• Nakano, H., M. Hirabara, and H. Tsujino (2008):
  Impact of the Increase in the Horizontal Resolution from 1/2 to 1/12 on a global ocean model.
  2008 Ocean Science Meeting

• Nakano, H. (2008):
  Mechanism of the Kuroshio Current System.
  SCOR 50th Anniversary Symposium

• Nakano, H. (2008):
  Alternating Zonal Jets in a Series of High-resolution OGCMs.
  2008 AGU Fall Meeting.

• Nakano, H., H. Tsujino, and R. Furue (2008):
  Problem of Western Boundary Current Separation.
  2008 AGU Fall Meeting.

• Nakano, T., I. Kaneko, T. Soga, H. Tsujino, T. Yasuda, H. Ishizaki, and M. Kamachi (2006)
  Freshening of themed-depth in the North Pacific subtropical gyre observed along JMA's repeat and WOCE hydrographic sections
  The 21st Century COE Program at TohokuUniversity "Climate change: Past and Future"

• Nakano, T., T. Kuragano, and M. Kamachi (2006):
  Variabilities of Upper-Ocean Heat Content in the North Pacific Subtropical Region.
  2006 Ocean Sciences Meeting

• Nakano, T., S. Matsumoto, Y. Fujii, T. Soga, M. Kamachi (2006):
  Variability of North Pacific Tropical Water using MRI ocean data assimilation system (MOVE/MRI. COM-G) from 1993 to 2004.
  2006 Western Pacific Geophysics Meeting.

• Nishikawa, S., Tsujino, H., Nakano, H, (2008):
  Improved representation of mixed layer depth and mode waters in the high-resolution models of the Western North Pacific.
  2008 Ocean Sciences Meeting, March 2-7, 2008, Orlando, USA.

• Oke, O. R., M. A. Balmaseda, J. A. Cummings, E. Dombrowsky, Y. Fujii, S. Guinehut, G. Larnicol, P.-Y. Le Traon, and M. J. Martin (2008):
  Observing System Evaluation.
  GODAE Final Symposium.

• Oke, P. R., M. A. Balmaseda, M. Benkiran, J. A. Cummings, E. Dombrowsky, Y. Fujii, S. Guinehut, G. Larnicol, P.-Y. Le Traon, M. Martin (2009):
  Observing System Evaluation.
  OceanObs'09, Venice, Italy.

• Sakamoto, K., H. Tsujino, S. Nishikawa, H. Nakano, T. Motoi (2010):
  Dynamics of the Coastal Oyashio and its seasonal variation in a high-resolution western North Pacific Ocean model.
  2010 Ocean Sciences Meeting, Portland, USA.

• Soga, T., I. Ishikawa, S. Matsumoto, Y. Fujii, and T. Yausda(2008):
  New Ocean Data Assimilation System for Monitoring ENSO an Japan Meteorological Agency.
  Third WCRP International Conference on Reanalysis.

• Soga, T., I. Ishikawa, S. Matsumoto, Y. Fujii, and M. Kamachi (2008):
  Operational Ocean Data Assimilation System for Monitoring ENSO at Japan Meteorological Agency.
  GODAE Final Symposium.

• Sugimoto, S., Hasegawa, T. and K. Hanawa: (2006):,
  20-year period circulation of upper ocean heat content in the North Pacific subtropical gyre.
  Climate Change: Past and Future, Sendai, Nov.

• Tsujino, H. Nakano, N. Usui, and M. Kamachi (2005):
  Dynamics of Kuroshio path variations in a high resolution GCM.
  Colloquium in honour and in memory of Christian Le Provost

• Tsujino, H., N. Usui, Y. Fujii, H. Nakano, and M. Kamachi (2006) :
  The Kuroshio Path Transition: Prediction and Underlying Mechanism.
  2006 Ocean Sciences Meeting

• Tsujino, H., 2007:
  Improved representation of currents and water masses in the upper layer of the North Pacific Ocean in eddy-resolving OGCMs.
  Workshop on Numerical Methods in Ocean Models, August 23-24, 2007 in Bergen, Norway.

• Usui, N., H. Tsujino, Y. Fujii, S. Ishizaki, and M. Kamachi (2005):
  Short-range prediction experiments of the Kuroshio path variabilities south of Japan.
  Colloquium in honour and in memory of Christian Le Provost

• Usui, N., H. Tsujino, Y. Fujii and M. Kamachi (2004):
  MRI Multi-Variate Ocean Variational Estimation (MOVE) System. Part 3: Western North Pacific Experiment and Reanalysis Product.
  Second Symposium on the Global Ocean Data Assimilation System "GODAE in Operation: Demonstrating Utility"

• Usui, N., H. Tsujino, Y. Fujii and M. Kamachi (2005):
  Reanalysis experiment using MRI Multivariate Ocean Variational Estimation (MOVE) System in the western North Pacific
  4th WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  Formation process of the Kuroshio Meander southeast of Kyushu in 2003 fall
  2006 Western Pacific Geophysics Meeting

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  Formation process of the Kuroshio Large Meander in 2004.
  15 years of Progress in Radar Altimetry Symposium

• Usui, N., H. Tsujino, Y. Fujii and M. Kamachi (2005):
  Reanalysis experiment using MRI Multivariate Ocean Variational Estimation (MOVE) System in the western North Pacific
  4th WMO International Symposium on Assimilation of Observations in Meteorology and Oceanography

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  Formation process of the Kuroshio Meander southeast of Kyushu in 2003 fall
  2006 Western Pacific Geophysics Meeting

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  Formation process of the Kuroshio Large Meander in 2004.
  15 years of Progress in Radar Altimetry Symposium

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2006):
  A process study of the Kuroshio large meander in 2004 using a regional assimilation system MOVE/MRI.COM-WNP.
  GODAE Symposium on ocean data assimilation and prediction in Asia-Oceania

• Usui, N., H. Tsujino, Y. Fujii, and M. Kamachi (2007):
  Roles of frontal wave in the East China Sea on the Kuroshio path variation.
  2007 GODAE Coastal Workshop "Assessing the value of GODAE products in coastal and shelf seas"

• Usui, N., H. Tsujino, H. Nakano, Y. Fujii, and M. Kamachi (2008):
  Formation process of the Kuroshio large meander using a regional assimilation system MOVE/MRI.COM-WNP.
  2008 Ocean Sciences Meeting

• Usui, N., S. Ishizaki, Y. Fujii, H. Tsujino, M. Kamachi (2008):
  REPRODUCIBILITY OF CURRENTS AND WATER MASSES IN THE NORTH PACIFIC SUBARCTIC REGION IN MOVE/MRI.COM.
  GODAE Final Symposium.

• Usui, N., S. Ishizaki, Y. Fujii, and M. Kamachi (2009)：
  Improving strategies with constraints regarding non-Gaussian statistics in MOVE/MRI.COM.
  5th WMO Data Assimilation Symposium, Oct. 6th, 2009, Melbourne, Australia.

• Usui, N., H. Tsujino, H. Nakano, Y. Fujii, and M. Kamachi (2010)：
  Decay mechanism of the 2004/05 Kuroshio large meander.
  2010 Ocean Sciences Meeting, Portland, Oregon.

• Wada, A., N. Usui, N. Kohno, Y. Kawai and K. Sato (2009)：
  The ocean response to Typhoon Hai-Tang in 2005 and its influence.
  International Workshop on Tropical Cyclone-Ocean Interaction in the Northwest pacific, Jeju, Korea.

• Wada, A., N. Kohno, N. Usui and Y. Kawai (2009)：
  Preliminary numerical experiments for Typhoon Hai-Tang in 2005 by Typhoon-wave-ocean coupled model.
  Fourth Japan-China-Korea Joint Conference on Meteorology, Tsukuba, Japan.

• Yamanaka, G., H. Ishizaki, M. Hirabara, and I. Ishikawa (2007):
  Decadal variations of the subtropical front in a North Pacific eddy resolving ocean general circulation model
  2007 AGU Fall Meeting

• Yamanaka, G. (2008):
  A discrepancy between observed and OGCM-simulated trends in recent SSTs of the Indian Ocean: Apparent trends in atmospheric reanalysis data
  3rd WCRP International Conference on Reanslysis

• Yamanaka G., T. Yasuda, Y. Fujii, and H. Ishizaki (2008):
  Mixed layer heat balance on seasonal to interannual timescales in the western tropical Pacific: An OGCM study
  2008 Ocean Sciences Meeting

• Yamanaka G. (2009):
  Discrepancies between observed and OGCM-simulated anomalies of the recent SSTs in the tropical Indian Ocean
  OceanObs’09

• Yasuda, T., and T. Hasegawa (2006) :
  Decadal variability of the sea surface height in the North Pacific.
  2006 Ocean Sciences Meeting

• Zhu, J., T. Awaji, G. B. Brassington, N. Usuii, N. Hirose, Y. H. Kim, Q. Liu, J. She, Y. Miyazawa, T. Watanabe, and M. Ravichandran (2008):
  ASIA AND OCEANIA APPLICATIONS.
  GODAE Final Symposium