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首页> 外文期刊>Pure and Applied Geophysics >The Spherical Block Model: Dynamics of the Global System of Tectonic Plates and Seismicity
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The Spherical Block Model: Dynamics of the Global System of Tectonic Plates and Seismicity

机译：球形块模型：构造板块整体系统动力学与地震活动

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摘要

The spherical block model is used to study dynamics of the global system of tectonic plates and seismicity by means of numerical simulation. A brief description of the model is presented. Two block structures are considered: The first is characterized by specifying the largest plates as boundary blocks, whereas the second is the closed spherical structure without boundary blocks. Results of numerical experiments include the qualitative information on displacements of plates, and on the nature of their interaction along boundaries. Synthetic earthquake catalogs reveal some patterns of observed seismicity. Model frequency-magnitude (FM) plots are nearly linear. Analysis of numerical simulations shows dependence of synthetic seismic properties on model parameters. The dynamics of the global system of tectonic plates is more accurately modeled by means of the closed block structure than with the structure for that boundary blocks are specified.
机译：球形块模型用于通过数值模拟研究构造板块整体系统的动力学和地震活动性。介绍了该模型的简要说明。考虑了两个块结构：第一个特征是将最大的板指定为边界块，而第二个是没有边界块的封闭球形结构。数值实验的结果包括关于板的位移以及它们沿边界相互作用的性质的定性信息。综合地震目录显示了一些观测到的地震活动模式。模型的频率幅值（FM）图几乎是线性的。数值模拟分析表明，合成地震特性与模型参数有关。与封闭边界块的结构相比，封闭块结构可以更精确地模拟构造板块整体系统的动力学。

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  • 来源
    《Pure and Applied Geophysics》 |2005年第1期|145-164|共20页
  • 作者

    V. L. Rozenberg; P. O. Sobolev; A. A. Soloviev; L. A. Melnikova;

  • 作者单位

    Institute of Mathematics and Mechanics Ural Branch Russian Academy of Sciences;

    International Institute of Earthquake Prediction Theory and Mathematical Geophysics Russian Academy of Sciences;

    International Institute of Earthquake Prediction Theory and Mathematical Geophysics Russian Academy of Sciences;

    Institute of Mathematics and Mechanics Ural Branch Russian Academy of Sciences;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Block models; tectonic plates; earthquake catalogs;

    机译：块模型;构造板块;地震目录;

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