Effects of Earth's Lateral Inhomogeneous Structures on Coseismic Gravity Changes

Fu GY; Sun WK

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Effects of Earth's Lateral Inhomogeneous Structures on Coseismic Gravity Changes

机译：地球横向不均匀结构对同震重力变化的影响

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Based on the perturbation method, we present a new method to study the effects of Earth's laterally inhomogeneous structures on coseismic gravity changes caused by dislocations within a 3-D heterogeneous spherical earth model. We describe this method by six independent dislocations: A vertical strike-slip, two vertical dip-slips perpendicular to each other, and three tensile openings on three perpendicular planes. We derived the calculation formulae for the six independent dislocations. A combination of the six independent dislocations is useful to compute the effects on coseismic gravity changes resulting from an arbitrary seismic source at an arbitrary position.

机译：基于微扰方法，我们提出了一种新的方法来研究地球横向不均匀结构对3-D异质球形地球模型中的位错引起的同震重力变化的影响。我们通过六个独立的位错来描述这种方法：一个垂直的走滑，两个相互垂直的垂直的滑移以及在三个垂直平面上的三个拉伸孔。我们推导了六个独立位错的计算公式。六个独立位错的组合可用于计算由任意位置的任意地震源引起的同震重力变化的影响。

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《Pure and Applied Geophysics》 |2009年第9期|共26页
作者
Fu GY; Sun WK;
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正文语种 eng
中图分类地球物理学;
关键词
Dislocation theory; perturbation method; gravity change; earth model; spherical function; auxiliary solution;

机译：位错理论摄动法重力变化地球模型球形函数辅助解;

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1. Effects of Earth’s Lateral Inhomogeneous Structures on Coseismic Gravity Changes [J] . Guangyu Fu, Wenke Sun Pure and Applied Geophysics . 2009,第8a9期

机译：地球横向不均匀结构对同震重力变化的影响
2. Topographic effects on coseismic gravity change for the 2011 Tohoku-Oki earthquake and comparison with GRACE [J] . Li Jin, Chen J. L., Wilson C. R. Journal of geophysical research. Solid earth: JGR . 2016,第7期

机译：地形对2011年东北冲积地震同震重力变化的影响及其与GRACE的比较
3. Coseismic Effects of the 2011 Magnitude 9.0 Tohoku-Oki Earthquake Measured at Far East Russia Continental Coast by Gravity and GPS Methods [J] . Vladimir Timofeev, Ruslan Kulinich, Maxim Valitov, International Journal of Geosciences . 2013,第2期

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4. Inhomogeneous Spherical-Earth Finite Element Model of Coseismic Offset due to The 2012 Indian Ocean Earthquake [C] . Cecep Pratama, Takeo Ito, Takao Tabei International Symposium on Earth Hazard and Disaster Mitigation . 2017

机译：由于2012年印度洋地震，电影偏移的不均匀球形有限元模型
5. Computational methods for the discrete downward continuation of the Earth gravity and effects of lateral topographical mass density variation on gravity and the geoid. [D] . Huang, Jianliang. 2002

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6. Publisher Correction: A database of the coseismic effects following the 30 October 2016 Norcia earthquake in Central Italy [O] . Fabio Villani, Riccardo Civico, Stefano Pucci, 2019

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7. Coseismic Effects of the 2011 Magnitude 9.0 Tohoku-Oki Earthquake Measured at Far East Russia Continental Coast by Gravity and GPS Methods [O] . Zoya Proshkina, Tatyana Kolpashikova, Gulshat Gil’manova, 2013

机译：利用重力和GPS方法测得的俄罗斯远东大陆海岸2011年9.0级东北冲地震的同震效应

Effects of Earth's Lateral Inhomogeneous Structures on Coseismic Gravity Changes

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