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Quantitative Analysis of Near‐Surface Seismological Complexity Based on the Generalized Lippmann–Schwinger Matrix Equation
Bin Liu;  Li‐Yun Fu;  Geng‐Xin Yu;  Gao‐Xiang Chen
2017
发表期刊Bulletin of the Seismological Society of America
卷号108期号:1页码:278-290
摘要

Near-surface complexity is characteristic of rugged topographies and strong volume heterogeneities, which significantly affects seismic data recorded at the free surface. An efficient method is presented here to quantitatively analyze the nearsurface seismological complexity. We use a boundary–volume element numerical method to discretize the generalized Lippmann–Schwinger integral equation formulated in terms of volume scattering and boundary scattering. The integral equation technique provided sufficient accuracy to model rough topographies, large-scale structures, and volume heterogeneities in a straightforward and efficient manner. Rather than solving the resultant global matrix equation at a very high computational cost, certain characteristic parameters of the scattering amplitude matrix were estimated and used as indicators to assess the near-surface seismological complexity. Applications to numerous examples validated the method’s applicability, reliability, and efficiency, whereby the resultant matrix characteristic parameters varied consistently with the near-surface complexity in geometric structures, volume heterogeneities, and computational frequencies.

语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/8367
专题矿床地球化学国家重点实验室
作者单位1.University of Chinese Academy of Sciences, Beijing, China
2.Key Laboratory of the Earth’s Deep Interior, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
3.Zhejiang Provincial Institute of Communication, Planning,Design and Research, Zhejiang, China
推荐引用方式
GB/T 7714
Bin Liu;Li‐Yun Fu;Geng‐Xin Yu;Gao‐Xiang Chen. Quantitative Analysis of Near‐Surface Seismological Complexity Based on the Generalized Lippmann–Schwinger Matrix Equation[J]. Bulletin of the Seismological Society of America,2017,108(1):278-290.
APA Bin Liu;Li‐Yun Fu;Geng‐Xin Yu;Gao‐Xiang Chen.(2017).Quantitative Analysis of Near‐Surface Seismological Complexity Based on the Generalized Lippmann–Schwinger Matrix Equation.Bulletin of the Seismological Society of America,108(1),278-290.
MLA Bin Liu;Li‐Yun Fu;Geng‐Xin Yu;Gao‐Xiang Chen."Quantitative Analysis of Near‐Surface Seismological Complexity Based on the Generalized Lippmann–Schwinger Matrix Equation".Bulletin of the Seismological Society of America 108.1(2017):278-290.
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