Estimation of S-Wave Velocity Structure Model by Joint Inversion of Site Amplification Factor and Receiver Function

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Other Title
  • 地震記録から抽出された地盤増幅特性とレシーバーファンクションの同時逆解析によるS 波速度構造モデルの推定

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Description

In order to estimate S-wave velocity structure model at ground motion observation site, joint inversion technique using site amplification factor and receiver function is developed and the applicability is examined. Numerical experiments for the joint inversion reveal that S-wave profile is accurately estimated by the proposed method. The proposed method is applied to the actual data observed at four K-NET observation sites in Hiroshima and Okayama.The site amplification factors obtained by the spectral inversion technique are used. The receiver functions and the travel time of PS-wave converted from P-wave at the seismic bedrock are evaluated from the observed ground motion data. The result of the joint inversion shows that the site amplification factors and the receiver functions are well reproduced by the estimated S-wave velocity structure model. The estimated models are verified by comparing with the result of the array observations of microtremor.

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Details 詳細情報について

  • CRID
    1390001205357396864
  • NII Article ID
    130004714284
  • DOI
    10.5610/jaee.14.5_31
  • ISSN
    18846246
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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