JAMSTEC

Welcome to Masaki Yoshida Website

Masaki YOSHIDA, Ph.D. (Senior Scientist)

Institute for Research on Earth Evolution (IFREE),
Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan.
e-mail:

Major Geodynamics (mantle dynamics, surface tectonics), Computational fluid dynamics
Societies
  • American Geophysical Union*
  • Japan Geoscience Union*
  • Seismological Society of Japan*
Research Subjects
  • Numerical simulation of mantle convection in a 3-D spherical shell model
  • Interaction between mantle convection and surface tectonics (continents and plate motion)
  • Instantaneous modeling of mantle flow using geodynamic and seismic tomography models
  • Dynamics of core-mantle boundary, topography, plume heat flow
  • Mantle phase transitions and convection behavior
  • Earth's rotation dynamics and true polar wander
  • Mantle dynamics in the French Polynesia region (project research in IFREE)
  • Mantle convection in terrestrial planets
  • Slab dynamics, Intraslab stress field, large shallow intraslab earthquake

♠ Education

♠ Experience

♠ Publications

A. Reviewed Papers

  1. Masaki Yoshida, Plume's buoyancy and heat fluxes from the deep mantle, 2012, submitted.
  2. Masaki Yoshida, 3D visualization of numerically simulated, present-day, instantaneous global mantle flow based on geophysical observations, 2012, submitted.
  3. Masaki Yoshida, Fumiko Tajima, Satoru Honda, and Manabu Morishige, The 3D numerical modeling of subduction dynamics: Plate stagnation and segmentation, and crustal advection in the wet mantle transition zone, Journal of Geophysical Research - Solid Earth, 117, B04104, doi:10.1029/2011JB008989, 2012. [abstract] [offprint-pdf]
  4. Masaki Yoshida, Dynamic role of the rheological contrast between cratonic and oceanic lithospheres in the longevity of cratonic lithosphere: A three-dimensional numerical study, Tectonophysics, 532-535, 156-166, doi:10.1016/j.tecto.2012.01.029, 2012. [abstract] [offprint-pdf]
  5. Masaki Yoshida and M. Santosh, Future supercontinent assembled in the northern hemisphere, Terra Nova, 23(5), 333-338, doi:10.1111/j.1365-3121.2011.01018.x, 2011. [abstract] [offprint-pdf] [offprint-pdf with supporting information] (Related article: "The next Pangaea will have pieces missing", New Scientist, 2830, 16, 2011)
  6. Masaki Yoshida and M. Santosh, Supercontinents, mantle dynamics and plate tectonics: A perspective based on conceptual vs. numerical models, Earth-Science Reviews, 105(1-2), 1-24, doi:10.1016/j.earscirev.2010.12.002, 2011. [abstract] [offprint-pdf]
  7. Manabu Morishige, Satoru Honda, and Masaki Yoshida, Possibility of hot anomaly in the sub-slab mantle as an origin of low seismic velocity anomaly under the subducting Pacific plate, Physics of the Earth and Planetary Interiors, 183(1-2), 353-365, doi:10.1016/j.pepi.2010.04.002, 2010. [abstract] [offprint-pdf]
  8. Masaki Yoshida, Preliminary three-dimensional model of mantle convection with deformable, mobile continental lithosphere, Earth and Planetary Science Letters, 295(1-2), 205-218, doi:10.1016/j.epsl.2010.04.001, 2010. [abstract] [offprint-pdf]
  9. Claudia Adam, Masaki Yoshida, Takehi Isse, Daisuke Suetsugu, Yoshio Fukao, and Guilhem Barruol, South Pacific hotspot swells dynamically supported by mantle flows, Geophysical Research Letters, 37, L08302, doi:10.1029/2010GL042534, 2010. [abstract] [offprint-pdf] [offprint-pdf with auxiliary material]
  10. Masaki Yoshida, Temporal evolution of the stress state in a supercontinent during mantle reorganization, Geophysical Journal International, 180(1), 1-22, doi:10.1111/j.1365-246X.2009.04399.x, 2010. [abstract] [offprint-pdf]
  11. Masaki Yoshida and Tomoeki Nakakuki, Effects on the long-wavelength geoid anomaly of lateral viscosity variations caused by stiff subducting slabs, weak plate margins and lower mantle rheology, Physics of the Earth and Planetary Interiors, 172(3-4), 278-288, doi:10.1016/j.pepi.2008.10.018, 2009. [abstract] [offprint-pdf]
  12. Masaki Yoshida, Mantle convection with longest-wavelength thermal heterogeneity in a 3-D spherical model: Degree one or two?, Geophysical Research Letters, 35, L23302, doi:10.1029/2008GL036059, 2008. [abstract] [offprint-pdf]
  13. Masaki Yoshida, Core-mantle boundary topography estimated from numerical simulations of instantaneous mantle flow, Geochemistry Geophysics Geosystems, 9(7), Q07002, doi:10.1029/2008GC002008, 2008. [abstract] [offprint-pdf]
  14. Masaki Yoshida and Akira Kageyama, Low-degree mantle convection with strongly temperature- and depth-dependent viscosity in a three-dimensional spherical shell, Journal of Geophysical Research - Solid Earth, 111(B3), B03412, doi:10.1029/2005JB003905, 2006. [abstract] [offprint-pdf]
  15. Masaki Yoshida and Masaki Ogawa, Plume heat flow in a numerical model of mantle convection with moving plates, Earth and Planetary Science Letters, 239(3-4), 276-285, doi:10.1016/j.epsl.2005.09.006, 2005. [abstract] [offprint-pdf]
  16. Akira Kageyama and Masaki Yoshida, Geodynamo and mantle convection simulations on the Earth Simulator using the Yin-Yang grid, Journal of Physics: Conference Series, 16, 325-338, doi:10.1088/1742-6596/16/1/045, 2005. [abstract] [offprint-pdf]
  17. Akira Kageyama, Masanori Kameyama, Satoru Fujihara, Masaki Yoshida, Mamoru Hyodo, and Yoshinori Tsuda, A 15.2 TFlops Simulation of Geodynamo on the Earth Simulator, 2004 ACM/IEEE Supercomputing Conference (SC2004), 35, doi:10.1109/SC.2004.1, 2004. [abstract] [offprint-pdf]
  18. Masaki Yoshida, Influence of two major phase transitions on mantle convection with moving and subducting plates, Earth, Planets and Space, 56(11), 1019-1033, 2004. [abstract] [offprint-pdf]
  19. Masaki Yoshida, Possible effects of lateral viscosity variations induced by plate-tectonic mechanism on geoid inferred from numerical models of mantle convection, Physics of the Earth and Planetary Interiors, 147(1), 67-85, doi:10.1016/j.pepi.2004.06.011, 2004. [abstract] [offprint-pdf]
  20. Masaki Yoshida and Akira Kageyama, Application of the Yin-Yang grid to a thermal convection of a Boussinesq fluid with infinite Prandtl number in a three-dimensional spherical shell, Geophysical Research Letters, 31(12), L12609, doi:10.1029/2004GL019970, 2004. [abstract] [offprint-pdf]
  21. Masaki Yoshida and Masaki Ogawa, The role of hot uprising plumes in the initiation of plate-like regime of three-dimensional mantle convection, Geophysical Research Letters, 31(5), L05607, doi:10.1029/2003GL017376, 2004. [abstract] [offprint-pdf]
  22. Tetsuzo Seno and Masaki Yoshida, Where and why do large shallow intraslab earthquakes occur?, Physics of the Earth and Planetary Interiors, 141(3), 183-206, doi:10.1016/j.pepi.2003.11.002, 2004. [abstract] [offprint-pdf]
  23. Masaki Yoshida, Satoru Honda, Motoyuki Kido, and Yasuyuki Iwase, Numerical simulation for the prediction of the plate motions: Effects of lateral viscosity variations in the lithosphere, Earth, Planets and Space, 53(7), 709-721, 2001. [abstract] [offprint-pdf]
  24. Satoru Honda, Masaki Yoshida, Sakie Ootorii, and Yasuyuki Iwase, The timescales of plume generation caused by continental aggregation, Earth and Planetary Science Letters, 176(1), 31-43, doi:10.1016/S0012-821X(99)00319-2, 2000. [abstract] [offprint-pdf]
  25. Masaki Yoshida, Yasuyuki Iwase, and Satoru Honda, Generation of plumes under a localized high viscosity lid on 3-D spherical shell convection, Geophysical Research Letters, 26(7), 947-950, doi:10.1029/1999GL900147, 1999. [abstract] [offprint-pdf]
B. Non-reviewed Papers
  1. Satoru Honda, Masaki Yoshida, Yasuyuki Iwase, and Tomoeki Nakakuki, Generation of plumes by continental insulation, Monthly Chikyu, 23(7), 507-510, 2001. (in Japanese)
C. Thesis
  1. Masaki Yoshida, Numerical studies on the dynamics of the Earth's mantle convection with moving plates, Ph. D. Thesis, University of Tokyo, pp. 203, 2003.
  2. Masaki Yoshida, Numerical modeling of mantle convection and surface tectonics, Master's Thesis, Hiroshima University, pp. 165, 2000.
  3. Masaki Yoshida, Effects of stiff continental lithosphere on three-dimensional spherical convection and analyses of toroidal-poloidal velocity fields, Bachleor's Thesis, Hiroshima Univeristy, pp. 52, 1998.

♠ Data

♠ Figures

Mantle convetion with subducting plates and phase transitions
3-D spherical mantle convection with internal heating
Core-mantle topography estimated from seismic tomography model
Copyright 1999-2012 Masaki YOSHIDA. All rights reserved.