Study on the Inelastic Attenuation Coefficient,Site Response and Source Parameters in the Southeast Area of Gansu Province |
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| Authors: | Guo Xiao Zhang Yuansheng Shen Hailiang and Li Wen |
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| Institution: | Lanzhou Institute of Seismology,CEA,Lanzhou 730000,China;Lanzhou Base of lnstitute of Earthquake Science,CEA,Lanzhou 730000,China;Lanzhou Institute of Seismology,CEA,Lanzhou 730000,China;Lanzhou Base of lnstitute of Earthquake Science,CEA,Lanzhou 730000,China;Lanzhou Institute of Seismology,CEA,Lanzhou 730000,China;;Lanzhou Institute of Seismology,CEA,Lanzhou 730000,China; |
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| Abstract: | Using digital seismograms recorded by the Gansu digital seismic network, the inelastic attenuation coefficient is calculated based on a genetic algorithm and the method proposed by Atkinson. Then, the site response and source parameters are investigated by the Moya method. The inversion results indicate the frequency-dependent inelastic attenuation, Q value, in the southeastern Gansu is estimated as Q(f)=404.2f~ 0.264 . Except for the Tianshui station, the site responses of the other stations do not show si... |
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| Keywords: | Quality factor (Q value) Site response Source parameter |
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