The Earth Simulator Center

Updated: May 21, 2012

Hideharu SASAKI

Scientist of JAMSTEC

• Sub Leader Updated!
  Geophysical Fluid Simulation Research Group
  Simulation Application Research and Development Program
  Earth Simulator Center

Research Interests

• Eddy-resolving ocean simulation

Education

• 2012: Ph.D., Earth and Planetary Science, University of Tokyo, Japan New!
• 1987: M.E., Mechanical Engineering, Nagoya University, Japan
• 1985: B.E., Mechanical Engineering, Nagoya University, Japan

Positions Held

• 04/2012–present: Sub Leader, Earth Simulator Center, JAMSTEC, Japan New!
• 04/2002–present: Research Scientist, Earth Simulator Center, JAMSTEC, Japan
• 10/1998–03/2002: Research Staff, Frontier Research System for Global Change, Japan

Awards

• 2010: Best Paper Prize, Japanese Society of Fisheries Oceanography (Itoh et al., 2009)

Professional Societies

• Oceanographic Society of Japan
• Japanese Society of Fisheries Oceanography
• American Geophysical Union

Projects

• 2007–2012: Study for the Prediction and Control of the Population Outbreak of the Marine Life in Relation to Environmental Change (POMAL)

Publications

• Nonaka, M., H. Sasaki, B. Taguchi, and H. Nakamura, 2012: Potential predictability of interannual variability in the Kuroshio Extension jet speed in an eddy-resolving OGCM. J. Climate, 25 (10), 3645–3652. New!
• Danioux, E., J. Vanneste, P. Klein, and H. Sasaki, 2012: Spontaneous inertia-gravity-wave generation by surface-intensified turbulence. J. Fluid Mech., 699 153–173. New!
• Sasai, Y., K. J. Richards, A. Ishida, and H. Sasaki, 2012: Spatial and temporal variability of the chlorophyll distribution in the Northeastern Tropical Pacific: The impact of physical processes on seasonal and interannual time scales. J. Mar. Syst., 96–97, 24–31. New!
• Nonaka, M., S.-P. Xie, and H. Sasaki, 2012: Interannual variations in low potential vorticity water and the subtropical countercurrent in an eddy-resolving OGCM. J. Oceanogr., 68 (1), 139–150.
• Sasaki, H., S.-P. Xie, B. Taguchi, M. Nonaka, S. Hosoda, and Y. Masumoto, 2012: Interannual variations of the Hawaiian Lee Countercurrent induced by low potential vorticity water ventilation in the subsurface. J. Oceanogr., 68 (1), 93–111.
• Zenimoto, K., Y. Sasai, H. Sasaki, and S. Kimura, 2011: Estimation of larval duration in Anguilla spp., based on cohort analysis, otolith microstructure, and Lagrangian simulations. Mar. Ecol. Prog. Ser., 438, 219–228.
• Klein, P., G. Lapeyre, G. Roullet, S. Le Gentil, and H. Sasaki, 2011: Ocean turbulence at meso and submesoscales: connection between surface and interior dynamics. Geophys. Astrophys. Fluid Dyn., 105 (4–5), 421–437.
• Okuyama, J., T. Kitagawa, K. Zenimoto, S. Kimura, N. Arai, Y. Sasai, and H. Sasaki, 2011: Trans-Pacific dispersal of loggerhead turtle hatchlings inferred from numerical simulation modeling. Mar. Biol., 158 (9), 2055–2063.
• Hasegawa, T., K. Ando, and H. Sasaki, 2011: Cold water flow and upper-ocean currents in the Bismarck Sea from December 2001 to January 2002. J. Phys. Oceanogr., 41 (4), 827–834.
• Kitagawa, T., Y. Kato, M. J. Miller, Y. Sasai, H. Sasaki, and S. Kimura, 2010: The restricted spawning area and season of Pacific bluefin tuna facilitate use of nursery areas: A modeling approach to larval and juvenile dispersal processes. J. Exp. Mar. Biol. Ecol., 393 (1–2), 23–31.
• Hasegawa, T., K. Ando, K. Mizuno, R. Lukas, B. Taguchi, and H. Sasaki, 2010: Coastal upwelling along the north coast of Papua New Guinea and El Niño events during 1981–2005. Ocean Dyn., 60 (5), 1255–1269.
• Aoki, S., Y. Sasai, H. Sasaki, H. Mitsudera, and G. D. Williams, 2010: The cyclonic circulation in the Australian–Antarctic basin simulated by an eddy-resolving general circulation model. Ocean Dyn., 60 (3), 743–757.
• Iskandar, I., H. Sasaki, Y. Sasai, Y. Masumoto, and K. Mizuno, 2010: A numerical investigation of eddy-induced chlorophyll bloom in the southeastern tropical Indian Ocean during Indian Ocean Dipole—2006. Ocean Dyn., 60 (3), 731–742.
• 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 Dyn., 60 (3), 705–715.
• Sasai, Y., K. J. Richards, A. Ishida, and H. Sasaki, 2010: Effects of cyclonic mesoscale eddies on the marine ecosystem in the Kuroshio Extension region using an eddy-resolving coupled physical-biological model. Ocean Dyn., 60 (3), 693–704.
• Taguchi, B., B. Qiu, M. Nonaka, H. Sasaki, S.-P. Xie, and N. Schneider, 2010: Decadal variability of the Kuroshio Extension: mesoscale eddies and recirculations. Ocean Dyn., 60 (3), 673–691.
• Melnichenko, O. V., N. A. Maximenko, N. Schneider, and H. Sasaki, 2010: Quasi-stationary striations in basin-scale oceanic circulation: vorticity balance from observations and eddy-resolving model. Ocean Dyn., 60 (3), 653–666.
• Masumoto, Y., H. Sasaki, and J.-S. von Storch, 2010: Editorial to OFES special issue of Ocean Dynamics. Ocean Dyn., 60 (3), 631–632.
• Zhuang, W., S.-P. Xie, D. Wang, B. Taguchi, H. Aiki, and H. Sasaki, 2010: Intraseasonal variability in sea surface height over the South China Sea. J. Geophys. Res., 115, C04010, doi:10.1029/2009JC005647.
• Nakamura, 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 (3), 530–550.
• Aoki, K., A. Kubokawa, H. Sasaki, and Y. Sasai, 2009: Midlatitude baroclinic Rossby waves in a high-resolution OGCM simulation. J. Phys. Oceanogr., 39 (9), 2264–2279.
• Zenimoto, K., T. Kitagawa, S. Miyazaki, Y. Sasai, H. Sasaki, and S. Kimura, 2009: The effects of seasonal and interannual variability of oceanic structure in the western Pacific North Equatorial Current on larval transport of the Japanese eel Anguilla japonica. J. Fish Biol., 74 (9), 1878–1890.
• Klein, P., J. Isern-Fontanet, G. Lapeyre, G. Roullet, E. Danioux, B. Chapron, S. Le Gentil, and H. Sasaki, 2009: Diagnosis of vertical velocities in the upper ocean from high resolution sea surface height. Geophys. Res. Lett., 36, L12603, doi:10.1029/2009GL038359.
• Itoh, S., I. Yasuda, H. Nishikawa, H. Sasaki, and Y. Sasai, 2009: Transport and environmental temperature variability of eggs and larvae of the Japanese anchovy (Engraulis japonicus) and Japanese sardine (Sardinops melanostictus) in the western North Pacific estimated via numerical particle-tracking experiments. Fish. Oceanogr., 18 (2), 118–133.
• Kitagawa, T., S. Kimura, H. Nakata, H. Yamada, A. Nitta, Y. Sasai, and H. Sasaki, 2009: Immature Pacific bluefin tuna, Thunnus orientalis, utilizes cold waters in the Subarctic Frontal Zone for trans-Pacific migration. Environ. Biol. Fishes, 84 (2), 193–196.
• Nonaka, M., H. Nakamura, Y. Tanimoto, T. Kagimoto, and H. Sasaki, 2008: Interannual-to-decadal variability in the Oyashio and its influence on temperature in the subarctic frontal zone: An eddy-resolving OGCM simulation. J. Climate, 21 (23), 6283–6303.
• Masumoto, Y., Y. Morioka, and H. Sasaki, 2008: High-resolution Indian Ocean simulations—Recent advances and issues from OFES—. In Ocean Modeling in an Eddying Regime, M. W. Hecht and H. Hasumi (eds.), Geophysical Monograph 177, pp. 199–212, AGU, Washington D.C.
• 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 177, pp. 165–175, AGU, Washington D.C.
• Hua, B. L., M. D'orgeville, M. D. Fruman, C. Menesguen, R. Schopp, P. Klein, and H. Sasaki, 2008: Destabilization of mixed Rossby gravity waves and the formation of equatorial zonal jets. J. Fluid Mech., 610, 311–341.
• Kawai, Y., T. Doi, H. Tomita, and H. Sasaki, 2008: Decadal-scale changes in meridional heat transport across 24°N in the Pacific Ocean. J. Geophys. Res., 113, C08021, doi:10.1029/2007JC004525.
• Qiu, B., S. Chen, P. Hacker, N. G. Hogg, S. R. Jayne, and H. Sasaki, 2008: The Kuroshio Extension northern recirculation gyre: Profiling float measurements and forcing mechanism. J. Phys. Oceanogr., 38 (8), 1764–1779.
• Klein, P., B. L. Hua, G. Lapeyre, X. Capet, S. Le Gentil, and H. Sasaki, 2008: Upper ocean turbulence from high-resolution 3D simulations. J. Phys. Oceanogr., 38 (8), 1748–1763.
• 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 (8), 1731–1747.
• Ogata, T., H. Sasaki, V. S. N. Murty, M. S. S. Sarma, and Y. Masumoto, 2008: Intraseasonal meridional current variability in the eastern equatorial Indian Ocean. J. Geophys. Res., 113, C07037, doi:10.1029/2007JC004331.
• Nakamura, H., A. Nishina, H. Ichikawa, M. Nonaka, and H. Sasaki, 2008: Deep countercurrent beneath the Kuroshio in the Okinawa Trough. J. Geophys. Res., 113, C06030, doi:10.1029/2007JC004574.
• Maximenko, N. A., O. V. Melnichenko, P. P. Niiler, and H. Sasaki, 2008: Stationary mesoscale jet-like features in the ocean. Geophys. Res. Lett., 35, L08603, doi:10.1029/2008GL033267.
• Komori, N., W. Ohfuchi, B. Taguchi, H. Sasaki, and P. Klein, 2008: Deep ocean inertia-gravity waves simulated in a high-resolution global coupled atmosphere–ocean GCM. Geophys. Res. Lett., 35, L04610, doi:10.1029/2007GL032807.
• Komori, N., A. Kuwano-Yoshida, T. Enomoto, H. Sasaki, and W. Ohfuchi, 2008: High-resolution simulation of global coupled atmosphere–ocean system: Description and preliminary outcomes of CFES (CGCM for the Earth Simulator). In High Resolution Numerical Modelling of the Atmosphere and Ocean, K. Hamilton and W. Ohfuchi (eds.), chapter 14, pp. 241–260, Springer, New York.
• Richards, K., H. Sasaki, and F. Bryan, 2008: Jets and waves in the Pacific Ocean. In High Resolution Numerical Modelling of the Atmosphere and Ocean, K. Hamilton and W. Ohfuchi, chapter 11, pp. 187–196, Springer, New York.
• Sasaki, H., M. Nonaka, Y. Masumoto, Y. Sasai, H. Uehara, and H. Sakuma, 2008: An eddy-resolving hindcast simulation of the quasiglobal ocean from 1950 to 2003 on the Earth Simulator. In High Resolution Numerical Modelling of the Atmosphere and Ocean, K. Hamilton and W. Ohfuchi (eds.), chapter 10, pp. 157–185, Springer, New York.
• Sasai, Y., K. Sasaoka, H. Sasaki, and A. Ishida, 2007: Seasonal and intra-seasonal variability of chlorophyll-a in the North Pacific: Model and satellite data. J. Earth Simulator, 8, 3–11.
• Sasai, Y., H. Sasaki, K. Sasaoka, A. Ishida, and Y. Yamanaka, 2007: Marine ecosystem simulation in the eastern tropical Pacific with a global eddy resolving coupled physical–biological model. Geophys. Res. Lett., 34, L23601, doi:10.1029/2007GL031507.
• Doi, T., T. Tozuka, H. Sasaki, Y. Masumoto, and T. Yamagata, 2007: Seasonal and interannual variations of oceanic conditions in the Angola Dome. J. Phys. Oceanogr., 37 (11), 2698–2713.
• Kim, H., S. Kimura, A. Shinoda, T. Kitagawa, Y. Sasai, and H. Sasaki, 2007: Effect of El Niño on migration and larval transport of the Japanese eel (Anguilla japonica). ICES J. Mar. Sci., 64 (7), 1387–1395.
• Ohfuchi, W., H. Sasaki, Y. Masumoto, and H. Nakamura, 2007: “Virtual” atmospheric and oceanic circulation in the Earth Simulator. Bull. Amer. Meteor. Soc., 88 (6), 861–866.
• 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 (11), 2357–2377.
• Aoki, S., M. Hariyama, H. Mitsudera, H. Sasaki, and Y. Sasai, 2007: Formation regions of Subantarctic Mode Water detected by OFES and Argo profiling floats. Geophys. Res. Lett., 34, L10606, doi:10.1029/2007GL029828.
• Aoki, S., D. Fukai, T. Hirowake, S. Ushio, S. R. Rintoul, H. Sasumoto, T. Ishimaru, H. Sasaki, T. Kagimoto, Y. Sasai, and H. Mitsudera, 2007: A series of cyclonic eddies in the Antarctic Divergence off Adélie Coast. J. Geophys. Res., 112, C05019, doi:10.1029/2006JC003712.
• 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 (7), 1305–1315.
• von Storch, J.-S., H. Sasaki, and J. Marotzke, 2007: Wind-generated power input to the deep ocean: An estimate using a 1/10° general circulation model. J. Phys. Oceanogr., 37 (3), 657–672.
• d'Orgeville, M., B. L. Hua, and H. Sasaki, 2007: Equatorial deep jets triggered by a large vertical scale variability within the western boundary layer. J. Marine Res., 65 (1), 1–25.
• Furuichi, M., F. Araki, and H. Sasaki, 2006: Visualization analysis of large-scale three-dimensional scalar data of ocean simulation. J. Visualization, 9 (4), 356 (Frontispieces).
• Iskandar, I., T. Tozuka, H. Sasaki, Y. Masumoto, and T. Yamagata, 2006: Intraseasonal variations of surface and subsurface currents off Java as simulated in a high-resolution ocean general circulation model. J. Geophys. Res., 111, C12015, doi:10.1029/2006JC003486.
• Qu, T., Y. Du, and H. Sasaki, 2006: South China Sea throughflow: A heat and freshwater conveyor. Geophys. Res. Lett., 33, L23617, doi:10.1029/2006GL028350.
• Sasai, Y., A. Ishida, H. Sasaki, S. Kawahara, H. Uehara, and Y. Yamanaka, 2006: A global eddy-resolving coupled physical-biological model: Physical influences on a marine ecosystem in the North Pacific. Simulation, 87 (7), 467–474.
• Sasaki, H., Y. Sasai, M. Nonaka, Y. Masumoto, and S. Kawahara, 2006: An eddy-resolving simulation of the quasi-global ocean driven by satellite-observed wind field: Preliminary outcomes from physical and biological fields. J. Earth Simulator, 6, 35–49.
• 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.
• 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 (10), 1970–1989.
• Richards, K. J., N. A. Maximenko, F. O. Bryan, and H. Sasaki, 2006: Zonal jets in the Pacific Ocean. Geophys. Res. Lett., 33, L03605, doi:10.1029/2005GL024645.
• Sasai, Y., A. Ishida, H. Sasaki, S. Kawahara, H. Uehara, and Y. Yamanaka, 2005: Spreading of Antarctic Bottom Water examined using the CFC-11 distribution simulated by an eddy-resolving OGCM. Polar Meteorol. Glaciol., 19, 15–27.
• Maximenko, N. A., B. Bang, and H. Sasaki, 2005: Observational evidence of alternating zonal jets in the world ocean. Geophy. Res. Lett., 32 (12), L12607, doi:10.1029/2005GL022728.
• Du, Y., T. Qu, G. Meyers, Y. Masumoto, and H. Sasaki, 2005: Seasonal heat budget in the mixed layer of the southeastern tropical Indian Ocean in a high-resolution ocean general circulation model. J. Geophys. Res., 110, C04012, doi:10.1029/2004JC002845.
• Sasaki, H., Y. Sasai, S. Kawahara, M. Furuichi, F. Araki, A. Ishida, Y. Yamanaka, Y. Masumoto, and H. Sakuma, 2004: A series of eddy-resolving ocean simulations in the world ocean —OFES (OGCM for the Earth Simulator) project—. Proc. OCEANS'04 MTS/IEEE TECHNO-OCEAN'04, 3, 1535–1541.
• Sasai, Y., A. Ishida, Y. Yamanaka, and H. Sasaki, 2004: Chlorofluorocarbons in a global ocean eddy-resolving OGCM: Pathway and formation of Antarctic Bottom Water. Geophys. Res. Lett., 31, L12305, doi:10.1029/2004GL019895.
• Masumoto, Y., H. Sasaki, T. Kagimoto, N. Komori, A. Ishida, Y. Sasai, T. Miyama, T. Motoi, H. Mitsudera, K. Takahashi, H. Sakuma, and T. Yamagata, 2004: A fifty-year eddy-resolving simulation of the world ocean—Preliminary outcomes of OFES (OGCM for the Earth Simulator). J. Earth Simulator, 1, 35–56.
• Sakuma, H., H. Sasaki, K. Takahashi, T. Kagimoto, T. Yamagata, and T. Sato, 2003: Global Eddy-resolving simulation by the Earth Simulator: Brief report on the first run. In Recent Advances in Marine Science and Technology, 2002, N. K. Saxena (Ed.), PACON International, 47–59.