| 板块内部层状负位错模型及其反演 |
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| 引用本文： | 伍吉仓,邓康伟,陈永奇.板块内部层状负位错模型及其反演[J].武汉大学学报(信息科学版),2003,28(6):671-674. |
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| 作者姓名： | 伍吉仓 邓康伟 陈永奇 |
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| 作者单位： | 1. 同济大学测量与国土信息工程系,上海市四平路1239号,200092
2. 香港理工大学土地测量与地理资讯学系,香港九龙红磡 |
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| 基金项目： | 香港研究基金委员会资助项目 (PolyU5 0 73 /0 0E) |
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| 摘 要： | 提出了一种层状负位错模型，用于描述下层地壳拖带上层地壳的耦合作用所造成的上伏地壳变形，并通过模拟计算，给出了这种层状耦合模型的形变场特征，以及利用模拟形变数据反演层状负位错模型参数的结果。
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| 关 键 词： | 构造运动 GPS 反演 形变测量 层状负位错模型 地壳变形 |
| 文章编号： | 1671-8860(2003)06-0671-04 |
| 修稿时间： | 2003年9月10日 |
Negative Dislocation Layer for Intraplate Tectonic Movements and Inversion |
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| WU Jicang,DENG Kangwei,CHEN Yongqi.Negative Dislocation Layer for Intraplate Tectonic Movements and Inversion[J].Geomatics and Information Science of Wuhan University,2003,28(6):671-674. |
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| Authors: | WU Jicang DENG Kangwei CHEN Yongqi |
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| Institution: | WU Jicang 1 DENG Kangwei 2 CHEN Yongqi 2 |
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| Abstract: | A horizontal negative dislocation layer is proposed to represent the mechanism of the intraplate crustal deformation. A simulated example is designed to show the crustal deformation pattern of a horizontal negative dislocation layer model and inverse the simulated displacements to determine the model parameters. Because of the heterogeneous geological structures and rock properties of the overlying crust, the coupling between the lower crustal movements and the overlying upper crust is not homogeneous, and the shear deformation zone will occurr along the boundary of the different negative dislocation areas. On the other hand, the observed deformation data such as displacements can be used to determine the layer negative dislocation distributions inversely, so as to divide the monitoring area into different tectonic blocks and to analyze the earthquake risks. |
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| Keywords: | deformation surveying negative dislocation tectonic movement GPS |
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