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Rotation change in the orientation of the centre-of-figure frame caused by large earthquakes
Zhou, Jiangcun1; Sun, Wenke2; Jin, Shuanggen3; Sun, Heping1; Xu, Jianqiao1
2016-08-01
发表期刊GEOPHYSICAL JOURNAL INTERNATIONAL
卷号206期号:2页码:999-1008
摘要A method to estimate the rotation change in the orientation of the centre-of-figure (CF) frame caused by earthquakes is proposed for the first time. This method involves using the point dislocation theory based on a spherical, non-rotating, perfectly elastic and isotropic (SNREI) Earth. The rotation change in the orientation is related solely to the toroidal displacements of degree one induced by the vertical dip slip dislocation, and the spheroidal displacements induced by an earthquake have no contribution. The effects of two recent large earthquakes, the 2004 Sumatra and the 2011 Tohoku-Oki, are studied. Results showed that the Sumatra and Tohoku-Oki earthquakes both caused the CF frame to rotate by at least tens of mu as (micro-arc-second). Although the visible co-seismic displacements are identified and removed from the coordinate time-series, the rotation change due to the unidentified ones and errors in removal is non-negligible. Therefore, the rotation change in the orientation of the CF frame due to seismic deformation should be taken into account in the future in reference frame and geodesy applications.
文章类型Article
关键词Numerical Solutions Reference Systems Space Geodetic Surveys Earthquake Ground Motions
WOS标题词Science & Technology ; Physical Sciences
DOI10.1093/gji/ggw182
关键词[WOS]TERRESTRIAL REFERENCE FRAME ; SUMATRA-ANDAMAN EARTHQUAKE ; GEOCENTER MOTION ; GRAVITY CHANGES ; INTERNAL DISLOCATIONS ; POINT DISLOCATION ; SPHERICAL EARTH ; DEFORMATION ; ORIGIN ; IMPACT
收录类别SCI
语种英语
项目资助者'973' project(2014CB845902) ; National Natural Science Foundation of China(41374025 ; Chinese Academy of Science/State Administration of Foreign Experts Affairs international partnership program(KZZD-EW-TZ-19) ; State Key Laboratory of Geodesy and Earth's Dynamics foundation(SKLGED2014-1-1-E) ; 41321063 ; 41474059 ; 41331066 ; 41174063 ; 11173050 ; 11373059)
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000379772500018
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/16117
专题南极天文中心
作者单位1.Chinese Acad Sci, Inst Geodesy & Geophys, State Key Lab Geodesy & Earths Dynam, Wuhan 430077, Peoples R China
2.Univ Chinese Acad Sci, Key Lab Computat Geodynam, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Planetary Sci, Shanghai 200030, Peoples R China
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GB/T 7714
Zhou, Jiangcun,Sun, Wenke,Jin, Shuanggen,et al. Rotation change in the orientation of the centre-of-figure frame caused by large earthquakes[J]. GEOPHYSICAL JOURNAL INTERNATIONAL,2016,206(2):999-1008.
APA Zhou, Jiangcun,Sun, Wenke,Jin, Shuanggen,Sun, Heping,&Xu, Jianqiao.(2016).Rotation change in the orientation of the centre-of-figure frame caused by large earthquakes.GEOPHYSICAL JOURNAL INTERNATIONAL,206(2),999-1008.
MLA Zhou, Jiangcun,et al."Rotation change in the orientation of the centre-of-figure frame caused by large earthquakes".GEOPHYSICAL JOURNAL INTERNATIONAL 206.2(2016):999-1008.
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