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2016 Fiscal Year Annual Research Report

地球および惑星深部における分別結晶化と部分融解

Research Project

Project/Area Number 15F15724
Research InstitutionTokyo Institute of Technology

Principal Investigator

廣瀬 敬  東京工業大学, 地球生命研究所, 教授 (50270921)

Co-Investigator(Kenkyū-buntansha) LASBLEIS MARINE  東京工業大学, 地球生命研究所, 外国人特別研究員
Project Period (FY) 2015-04-24 – 2017-03-31
Keywordsgeodynamic / seismology / Earth’s core / inner core
Outline of Annual Research Achievements

During the second year of my fellowship, I have continued the work to understand the structure of the inner core and the inner core boundary region. The Earth’s inner core is the solid part of the Earth’s core, and is growing as the liquid part is freezing, because of the decrease of temperature in the center of the Earth. The flow inside the solid inner core is not yet fully understood. Seismic observations of the inner core have detected complex structures on several scales. During my Ph.D., I developed geodynamical models for deformation in the inner core. During this year, I developed a software to compare seismic observations and geodynamical models. This code propagates seismic rays in the geodynamical models, and allow easy comparisons.

Research Progress Status

28年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

28年度が最終年度であるため、記入しない。

  • Research Products

    (8 results)

All 2017 2016 Other

All Int'l Joint Research (4 results) Journal Article (1 results) (of which Int'l Joint Research: 1 results) Presentation (3 results) (of which Int'l Joint Research: 3 results)

  • [Int'l Joint Research] Australian National University(Australia)

    • Country Name
      Australia
    • Counterpart Institution
      Australian National University
  • [Int'l Joint Research] New Mexico State University(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      New Mexico State University
  • [Int'l Joint Research] Imperial College London(英国)

    • Country Name
      UNITED KINGDOM
    • Counterpart Institution
      Imperial College London
  • [Int'l Joint Research] ENS de Lyon/Universite Lyon 1/Universite de Nantes(France)

    • Country Name
      France
    • Counterpart Institution
      ENS de Lyon/Universite Lyon 1/Universite de Nantes
  • [Journal Article] The language of exoplanet ranking metrics needs to change2017

    • Author(s)
      E. Tasker, J. Tan, K. Heng, S. Kane, D. Spiegel, R. Brasser, A. Casey, S. Desch, C. Dorn, J. Hernlund, C. Houser, M. Laneuville, M. Lasbleis, A.-S. Libert, L. Noack, C. Unterborn & J. Wicks
    • Journal Title

      Nature Astronomy

      Volume: 1(2) Pages: 0042

    • Int'l Joint Research
  • [Presentation] A first step to compare geodynamical models and seismic observations of the inner core2016

    • Author(s)
      M. Lasbleis, L. Waszek, E. Day
    • Organizer
      AGU Fall Meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2016-12-12 – 2016-12-16
    • Int'l Joint Research
  • [Presentation] Solid iron snow in the F-layer2016

    • Author(s)
      M. Lasbleis, S. Labrosse, J. Hernlund
    • Organizer
      SEDI meeting
    • Place of Presentation
      Nantes, France
    • Year and Date
      2016-07-24 – 2016-07-29
    • Int'l Joint Research
  • [Presentation] Snow in the Earth’s core2016

    • Author(s)
      M. Lasbleis, S. Labrosse, J. Hernlund
    • Organizer
      Goldschmidt conference
    • Place of Presentation
      Yokohama, Japan
    • Year and Date
      2016-06-24 – 2016-07-01
    • Int'l Joint Research

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Published: 2018-01-16   Modified: 2022-02-16  

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