Three-Dimensional Crustal Structure of the Capital Area Obtained by a Joint Inversion of Dss Data from Multiple Profiles

In order to carry out a unified analysis and interpretation of the 2‐D data from multiple profiles, constraints at the intersecting points of the profiles are taken into account, and solution of simultaneous equations with integrated data from all the profiles is accomplished by constructing a unifi...

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Bibliographic Details
Published in:Chinese journal of geophysics 2001-05, Vol.44 (3), p.357-365
Main Authors: LI, Song‐Lin, ZHANG, Xian‐Kang, SONG, Zhan‐Long, SHI, Jin‐Hu, DENG, Hong‐Zhao, YANG, Jian, ZHANG, Cheng‐Ke, REN, Qing‐Fang
Format: Article
Language:English
Subjects:
Capital Area
Crustal structure
Deep seismic sounding
Joint inversion
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Summary:In order to carry out a unified analysis and interpretation of the 2‐D data from multiple profiles, constraints at the intersecting points of the profiles are taken into account, and solution of simultaneous equations with integrated data from all the profiles is accomplished by constructing a unified matrix of partial derivatives. The method is used to reprocess and reinterpret data from 6 wide‐angle reflection/refraction Deep Seismic Sounding (DSS) profiles conducted in the Capital Area by the Research Center of Exploration Geophysics, China Seismological Bureau (CSB). As a result, a 3‐D velocity structure and tectonic characteristics of the crust in this area are revealed. On this basis, and in the light of results by other geophysical techniques, the spatial scope of 4 crustal lowv elocity layers (bodies) and fault strikes are determined.
ISSN:0898-9591
2326-0440
DOI:10.1002/cjg2.150