Researcher Database

（Last updated : 2026-10-10 19:59:31）　

YOSHIDA MASAKI

Department / Course College of Science and Engineering Department of Physical Sciences

Title / Position Professor

Other Affiliations
1.	Graduate School of Science and Engineering

Academic background
1.	2000/04/01～2003/03/28	Doctoral Program (2nd Semester) │ Department of Earth and Planetary Science │ Graduate School of Science │ The University of Tokyo │ Completed Ph.D. in Science
2.	1998/04/01～2000/03/24	Department of Earth and Planetary Systems Science │ Graduate School of Science │ Hiroshima University │ Completed M.Sc.
3.	1994/04/01～1998/03/25	Department of Earth and Planetary Systems Science │ Faculty of Science │ Hiroshima University │ Graduated B.Sc.

Business career
1.	2026/04/01 ～	Professor │ Department of Physical Sciences, College of Science and Engineering │ Ritsumeikan University
2.	2024/04/01 ～ 2026/03/31	Associate Professor │ Department of Physical Sciences, College of Science and Engineering │ Ritsumeikan University
3.	2011/04/01 ～ 2012/03/31	Visiting Associate Professor │ Earthquake Research Institute │ The University of Tokyo
4.	2010/04/01 ～ 2024/03/31	Senior Scientist │ Institute for Research on Earth Evolution/Department of Deep Earth Structure and Dynamics Research/Research Institute for Marine Geodynamics │ Japan Agency for Marine-Earth Science and Technology
5.	2006/04/01 ～ 2010/03/31	Research Scientist │ Institute for Research on Earth Evolution │ Japan Agency for Marine-Earth Science and Technology
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Committee and society
1.	2022/11 ～ 2024/05	Nature Publishing Group Guest Editor for a Collection "Plate tectonics" in Scientific Reports
2.	2021/10 ～ 2022/02	Elsevier B.V. Award Judging Committee for the 2021 GSF Best Paper Award
3.	2020/06 ～ 2022/06	Geological Society of Japan Representative (National Constituency)
4.	2019/06 ～ 2025/07	Elsevier B.V. Associate Editor of Energy Geoscience
5.	2016/12 ～ 2017/02	Elsevier B.V. Award Judging Committee for the 2017 GSF Best Paper Award
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Present specialized field
Geophysics, Earth's evolution, Plate tectonics, Computation fluid dynamics

Papers
1.	2025/06/11	Thermal coupling mode in mantle-outer core convection predicted from an ultra-high-resolution numerical simulation of two-layer convection with a large viscosity contrast │ Habitable Planet │ ,pp.145-156
2.	2025/04	Long-term fluctuation of Earth’s surface heat flux by the supercontinent cycle │ Gondwana Research │ ,pp.146-157
3.	2025	Earth's long-term sea-level change and surface heat flux from a theoretical model of mantle convection with the supercontinent cycle │ Annual Report of the Earth Simulator, April 2024-March 2025 │
4.	2024/10/09	Dynamic conditions for large shallow intraslab earthquakes: four categories of subduction zones │ Geoscience Letters │
5.	2024/01	Effect of the supercontinent cycle on the longest-term sea-level change from a simple conceptual and theoretical model │ Gondwana Research │ ,pp.425-445
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Winning science prize
1.	2016/10/14	Elsevier B.V. The Best Guest Editor Award of Geoscience Frontiers 2015
2.	2014/07/21	The Visualization Society of Japan The FY 2013 Scientific Image Award
3.	2013/04/11	Organization on Science and Technology The Award for 7th Panel Exhibition of the Beauty of Science and Technology
4.	2013/04/01	Japan Agency for Marine-Earth Science and Technology (JAMSTEC) The Research and Development Achievement Award
5.	2004/11/11	Institute of Electrical and Electronics Engineers (IEEE) The SC2004 Gordon Bell Award (Peak Performance) (A 15.2 TFLOPS simulation of geodynamo on the Earth Simulator)

Grants-in-Aid for Scientific Research -KAKENHI-
1.	2022/04/01 ～ 2025/03/31	Quantitative understanding of the effects of supercontinental cycles on sea-level changes on scales ranging from hundreds of millions to tens of millions of years │ Grant-in-Aid for Scientific Research(C)
2.	2020/04/01 ～ 2024/03/31	New approach for the mechanical properties and initiation of plate tectonics │ Grant-in-Aid for Scientific Research(A)
3.	2018/04/01 ～ 2021/03/31	Study on the mechanism of continental breakup at the eastern margin of Gondwanaland by numerical simulations │ Grant-in-Aid for Scientific Research(C)
4.	2014/04/01 ～ 2017/03/31	Characterization and genesis of mantle compositional hemispheres │ Grant-in-Aid for Scientific Research(A)
5.	2014/04/01 ～ 2016/03/31	Development of a new numerical simulation model of an integrated system for the convecting mantle and outer-core │ Grant-in-Aid for challenging Exploratory Research
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Home Page
https://yoshida-geophys.jp/en/