利用强震动记录S波傅氏谱的非参数谱反演给出地震波的区域路径衰减曲线，建立经验的几何扩散模型和体现非弹性衰减的品质因子；
利用残差分析给出强震动记录的事件内残差，揭示品质因子相关的远场地震动衰减的区域性差异。

图1 伽师地区地震波路径衰减曲线、几何扩散经验模型及品质因子

图2 九寨沟Ms7.0地震和芦山Ms7.0地震强震动记录PGA、PSA事件内残差及线性回归得到的Δc

成果目录：

  1. Hongwei Wang, and Ruizhi Wen. Earthquake source characteristics and S-wave propagation attenuation in the Junction of the northwest Tarim Basin and Kepingtage fold-and-thrust zone. Frontiers in Earth Science, 2020, 8: 567939.
  2. Peibin Xu, Yefei Ren, Ruizhi Wen, Hongwei Wang. Observations on Regional Variability in Ground-Motion Amplitude from Six Mw~6.0 Earthquakes of the North–South Seismic Zone in China. Pure and Applied Geophysics, 2020, 177(1): 247–264.
  3. Yefei Ren, Hongwei Wang, Peibin Xu, Yadab P. Dhakal, Ruizhi Wen, Qiang Ma and Peng Jiang. Strong‐Motion Observations of the 2017 Ms7.0 Jiuzhaigou Earthquake: Comparison with the 2013 Ms7.0 Lushan Earthquake. Seismological Research Letters, 2018, 89(4): 1354-1365.
  4. Hongwei Wang, Yefei Ren and Ruizhi Wen. Source parameters, path attenuation and site effects from strong-motion recordings of the Wenchuan aftershocks(2008–2013) using a non-parametric generalized inversion technique. Geophysical Journal International, 2018, 212: 872–890.
  5. Ruizhi Wen and Yefei Ren. Strong-motion observations of the Lushan Earthquake on April 20, 2013. Seismological Research Letters, 2014, 85(5): 1043-1055.