Effective Elastic Thickness of Continental Lithosphere in China with Moho Topography Admittance Method
详细信息
- 责任者：Yang Ting (Mengcheng National Geophysical Observatory ; School of Earth and Space Science ; University of Science and Technology of China ; Hefei 230026 ; China) ; Fu Rongshan
- 刊名：Chinese Journal of Geophysics
- 出版年：2013
- 卷期：56(6)
- 关键词：岩石圈 ; lithosphere ; 莫霍间断面 ; Mohorovicic discontinuity
- 页码：p.1877-1886
- 图表：6 illus., 1 table, 40 refs.
- 分类号：0400
- issnNo：ISSN0001-5733
- isbnNo：CN11-2074/P
摘要
The accuracy of the inversed elastic thickness of the lithosphere is fairly low with the conventional spectral method. We verified that using the Moho relief from gravity anomaly inversion in the Moho-topography admittance method can improve the inversion accuracy of Te greatly compared to conventional gravity-topography admittance method. Then we calculated Te in certain area of China with Moho-topography admittance method. The inversion results indicate that (1) Te in China increases stepwise from east to west on the whole, (2) Te is closely related to the lithosphere thickness, surface heat flow, seismic wave velocity in the uppermost mantle, and (3) while seismicity is more concentrated in areas where Te is low or at boundaries between high and low Te in central and eastern China, it does not show this relationship with Te in western China.
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