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首页> 外文期刊>Journal of Geoscience and Environment Protection >Conventional and Fractal Variogram Based on Time—Space Analysis of Seismicity Distribution—Case Study: Algeria Seismicity (1673-2010)
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Conventional and Fractal Variogram Based on Time—Space Analysis of Seismicity Distribution—Case Study: Algeria Seismicity (1673-2010)

机译：基于时间的常规和分形方差图-地震分布的空间分析-案例研究：阿尔及利亚地震（1673-2010）

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摘要

Geostatistics belongs to the wide class of statistical methods. It is used and applied to analyze and predict the values associated with spatial or spatio-temporal phenomena such as seismological events. Thus, in addition to its adaptability to perform spatial data analysis based on the principles of variography, many other methods more representative of the spatial distributions of the epicentres have been experimented. The unidirectional or isotropic fractal variogram associates the criterion of variance with the fractal dimension which is a better descriptive parameter of the spatial organization of events. The same analysis procedure carried out through a directional or azimuthal variogram introduces the context of a preferential direction of earthquake evolution. Moreover, b -value is a privileged seismological parameter that can be studied alone or in combination with other more advanced geostatistical analysis factors such as fractals, fractal dimensions and the anisotropic variogram. All these concepts were used as methodology for a protocol of analysis of the catalog of the Algeria seismicity including 1919 events for the period extending from 1673 to 2010. This catalog is provided by the compilation of partial catalogs synthesized by the CRAAG (Research Centre in Astronomy, Astrophysics and Geophysics).
机译：地统计学属于一类广泛的统计方法。它用于并分析和预测与空间或时空现象（例如地震事件）相关的值。因此，除了基于变异学原理进行空间数据分析的适应性之外，还尝试了许多其他方法来代表震中的空间分布。单向或各向同性的分形变异函数将方差准则与分形维数相关联，分形维数是事件空间组织的较好描述参数。通过定向或方位角变异函数执行的相同分析过程引入了地震演化优先方向的上下文。此外，b值是一种特权地震学参数，可以单独研究，也可以与其他更高级的地统计学分析因素（例如分形，分形维数和各向异性变异函数）结合起来研究。所有这些概念都用作分析阿尔及利亚地震活动目录的协议的方法，包括从1673年到2010年的1919个事件。该目录由CRAAG（天文学研究中心）合成的部分目录的汇编提供。 ，天体物理学和地球物理学）。

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