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2009 Fiscal Year Final Research Report

Detection of tidal dissipation energy by seismic-acoustic observation

Research Project

  • PDF
Project/Area Number 19740282
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Solid earth and planetary physics
Research InstitutionJapan Agency for Marine-Earth Science and Technology

Principal Investigator

SUGIOKA Hiroko  Japan Agency for Marine-Earth Science and Technology, 地球内部ダイナミクス領域, 技術研究主任 (00359184)

Project Period (FY) 2007 – 2009
Keywords海底広帯域地震観測 / 海洋潮汐 / 長周期海洋重力波
Research Abstract

本研究は、深海底における海洋潮汐エネルギー散逸過程に関わる現象を海底地震観測で検出し、そのメカニズムを解明することを目的とした。代表者は深海底における広帯域地震観測から得られたデータ解析により、長周期海洋重力波が海洋潮汐と共鳴するという新規の事実を見出し、海洋潮汐エネルギー散逸過程として長周期海洋重力波との共鳴励起という全く新しいメカニズムを提案した。一方でこれを検証する理論を構築し観測を説明した。以上の結果をNature communications誌に投稿した。

  • Research Products

    (4 results)

All 2010 2009 2008

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (2 results)

  • [Journal Article] Wave-tide resonance in the deep ocean2010

    • Author(s)
      Sugioka, H., Y. Fukao, T. Kanazawa
    • Journal Title

      Nature communications (in press)

    • Peer Reviewed
  • [Journal Article] Fast P-and S-wave velocities associated with the "cold" stagnant slab beneath the north Philippine Sea2010

    • Author(s)
      Sugioka, H., D. Suetsugu, M. Obayashi, Y. Fukao, G. Yuan
    • Journal Title

      Physics of the Earth and Planetary Interiors 179

      Pages: 1-6

    • Peer Reviewed
  • [Presentation] Detection, location and characterizations of hydroacoustic signals using a seafloor cable networks offshore2009

    • Author(s)
      Sugioka, H., K. Suyehiro, M. Shinohara
    • Organizer
      Japan at AGU fall meeting
    • Year and Date
      2009-12-16
  • [Presentation] Resonance of infragravity waves with ocean tides2008

    • Author(s)
      Sugioka, H., Y. Fukao, D. Suetsugu, H. Shiobara, T. Kanazawa
    • Organizer
      AGU fall meeting
    • Year and Date
      2008-12-18

URL: 

Published: 2011-06-18   Modified: 2016-04-21  

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