IGGCAS OpenIR  > 地球与行星物理院重点实验室
Regularizing the 3-D teleseismic wavefield for receiver function imaging using a radial basis function
Xie, Chengliang1; Fang, Yuanyuan2,3; Zhan, Jinhai2,3
2022-01-31
Source PublicationGEOPHYSICAL JOURNAL INTERNATIONAL
ISSN0956-540X
Volume229Issue:2Pages:1255-1267
AbstractReceiver function is important for imaging crustal and upper-mantle discontinuities. However, sparsely scattered stations could introduce imaging artefacts or misinterpretations for complex structures. We regularize a 3-D teleseismic wavefield to reduce these artefacts using radial basis function interpolation. First, we evaluated the feasibility of wavefield regularization with several typical models using synthetic data. The results demonstrate the high reliability of our method for recovering local 2-D and 3-D structures, even when seismic stations intentionally miss 95 per cent of a uniform fine grid. Then, we applied this method to sparsely deployed stations in Northeast China. The waveforms reconstructed from surrounding stations show good consistency with the observed waveforms; furthermore, the imaging results using the regularized data are highly comparable with the reference results obtained by using a dense 2-D seismic array of 60 stations (with a spacing of 10-17 km), even though our input data were mainly contributed by only 9 stations (with an average spacing of similar to 80 km). Our results show better continuity of the 3-D topography of the subsurface compared with that obtained by the traditional method. Our regularization method could significantly improve the spatial resolution of receiver function imaging for both sparse and dense distributions of seismic stations, especially for imaging relatively complex structures with lateral variations.
KeywordCrustal imaging Wave propagation Crustal structure
DOI10.1093/gji/ggab536
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
Language英语
Funding ProjectNational Natural Science Foundation of China[42004039] ; National Natural Science Foundation of China[42074083]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000763003500019
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/104948
Collection地球与行星物理院重点实验室
Corresponding AuthorZhan, Jinhai
Affiliation1.China Univ Geosci, Sch Geophys & Informat Technol, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xie, Chengliang,Fang, Yuanyuan,Zhan, Jinhai. Regularizing the 3-D teleseismic wavefield for receiver function imaging using a radial basis function[J]. GEOPHYSICAL JOURNAL INTERNATIONAL,2022,229(2):1255-1267.
APA Xie, Chengliang,Fang, Yuanyuan,&Zhan, Jinhai.(2022).Regularizing the 3-D teleseismic wavefield for receiver function imaging using a radial basis function.GEOPHYSICAL JOURNAL INTERNATIONAL,229(2),1255-1267.
MLA Xie, Chengliang,et al."Regularizing the 3-D teleseismic wavefield for receiver function imaging using a radial basis function".GEOPHYSICAL JOURNAL INTERNATIONAL 229.2(2022):1255-1267.
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