| Mapping crustal S—wave velocity structure with SV—component receiver function method |
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| 引用本文： | 邹最红,陈晓非. Mapping crustal S—wave velocity structure with SV—component receiver function method[J]. 地震学报(英文版), 2003, 16(1): 16-25. DOI: 10.1007/s11589-003-0002-0 |
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| 作者姓名： | 邹最红 陈晓非 |
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| 作者单位： | DepartmentofGeophysics,PekingUniversity,Beijing100871,China |
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| 基金项目： | State Key Basic Research Development and Programming Project (G199804070201)，State Natural Science Foundation (40074008). |
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| 摘 要： | In this article,we analyze the characters of SV-component receiver function of teleseismic body waves and its advantages in mapping the S-wave velocity structure of crust in detail.Similar to radial receiver function,SV-component receiver function can be obtained by directly deconvolving the P-component from the SV-component of teleseismic recordings.Our analyses indicate that the change of amplitude of SV-component receiver function against the change of epicentral distance is less than that of radial receiver function.Moreover,the waveform of SV-component receiver function is simpler than the radial receiver function and gives prominence to the PS converted phases that are the most sensitive to the shear wave velocity structure in the inversion.The synthetic tests show that the convergence of SV-component receiver function inversion is faster than tnat of the radial receiver function inversion.As an example,we investigate the S-wave velocity structure beneath HIA sta-tion by using the SV-component receiver function inversion method.
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| 关 键 词： | 地震波 S波速度结构 地壳 遥测地震学 剪切波 SV分量接受函数 |
| 收稿时间： | 2002-05-23 |
| 修稿时间： | 2002-08-12 |
Mapping crustal S-wave velocity structure with SV-component receiver function method |
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| Zou Zui-hong and Chen Xiao-fei. Mapping crustal S-wave velocity structure with SV-component receiver function method[J]. Acta Seismologica Sinica(English Edition), 2003, 16(1): 16-25. DOI: 10.1007/s11589-003-0002-0 |
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| Authors: | Zou Zui-hong and Chen Xiao-fei |
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| Affiliation: | Department of Geophysics, Peking University, Beijing 100871, China |
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| Abstract: | In this article, we analyze the characters of SV-component receiver function of teleseismic body waves and its advantages in mapping the S-wave velocity structure of crust in detail. Similar to radial receiver function, SV-component receiver function can be obtained by directly deconvolving the P-component from the SV-component of teleseismic recordings. Our analyses indicate that the change of amplitude of SV-component receiver function against the change of epicentral distance is less than that of radial receiver function. Moreover, the waveform of SV-component receiver function is simpler than the radial receiver function and gives prominence to the PS converted phases that are the most sensitive to the shear wave velocity structure in the inversion. The synthetic tests show that the convergence of SV-component receiver function inversion is faster than that of the radial receiver function inversion. As an example, we investigate the S-wave velocity structure beneath HIA sta-tion by using the SV-component receiver function inversion method. |
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| Keywords: | receiver function SV-component receiver function S-wave velocity structure inversion |
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