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Seismic Contributions to Secular Changes in Global Geodynamic Parameters

文献类型：期刊论文

作者Xu, Changyi2; Li, Juan1,2
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
出版日期2022-08-01
卷号127期号:8页码:10
ISSN号2169-9313
DOI10.1029/2022JB024590
英文摘要Secular changes in global geodynamic parameters (polar motion excitation, length of day, and J(2), etc.) are significant to understand internal mass transport in the solid Earth system and surface geophysical fluids related to global climate. However, the glacial isostatic adjustment (GIA) and climate-driven surface mass redistribution are insufficient to explain the origin. We are motivated to report the significance of seismic effect in the pursuit of understanding the budget of secular changes in geodynamic parameters. The seismic effect is comparable to the GIA effect and amounts to 20% or larger (up to 30%) of the observed secular changes in global geodynamic parameters. Therefore, the seismic effect must be treated as one key mechanism of driving secular changes in geodynamic parameters, which is critical to invert rheological structure, clarify internal dynamic processes, and reveal the physical evolution of the Earth.
WOS关键词POSTSEISMIC RELAXATION ; COSEISMIC CHANGES ; EARTHS ROTATION ; CHANDLER-WOBBLE ; GRAVITY CHANGES ; EARTHQUAKES ; DISLOCATION ; MANTLE ; DEFORMATION ; EXCITATION
资助项目Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS)[IGGCAS-201904] ; National Natural Science Foundation of China[41704080]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000842737300001
出版者AMER GEOPHYSICAL UNION
资助机构Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences (CAS) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/108432]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Xu, Changyi
作者单位1.Univ Chinese Acad Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Changyi,Li, Juan. Seismic Contributions to Secular Changes in Global Geodynamic Parameters[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2022,127(8):10.
APA Xu, Changyi,&Li, Juan.(2022).Seismic Contributions to Secular Changes in Global Geodynamic Parameters.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,127(8),10.
MLA Xu, Changyi,et al."Seismic Contributions to Secular Changes in Global Geodynamic Parameters".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 127.8(2022):10.

入库方式： OAI收割

来源：地质与地球物理研究所

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