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板内与板间地震活动时空分布的多重分形特征研究 被引量:3
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作者 陈时军 孙龙梅 马丽 《地震学报》 CSCD 北大核心 2007年第1期38-47,共10页
利用多重分形分析方法,考察了中国大陆和台湾地区以及新西兰的地震活动广义应变释放时间和空间分布的多重分形特征.结果表明,地震活动时空分布的多重分形特征与不同地球动力学环境关系密切.强震活动时间分布在板间地区具有比板内地区更... 利用多重分形分析方法,考察了中国大陆和台湾地区以及新西兰的地震活动广义应变释放时间和空间分布的多重分形特征.结果表明,地震活动时空分布的多重分形特征与不同地球动力学环境关系密切.强震活动时间分布在板间地区具有比板内地区更明显的丛集性,对中小地震这种丛集性差异较小;强震活动空间分布在板内地区具有比板间地区更强的丛集性,但对中小地震则相反. 展开更多
关键词 广义地震应变释放 多重分形 板内地震 板间地震
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Multifractal characteristics of spatiotemporal distribution of earthquakes in intraplate and interplate regions
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作者 陈时军 孙龙梅 马丽 《Acta Seismologica Sinica(English Edition)》 CSCD 2007年第1期40-50,共11页
This paper analyzes the multifractal characteristics of spatio-temporal distribution of generalized strain release of earthquakes (GSRE) occurred in the eastern and western Chinese mainland (as an instance of intra... This paper analyzes the multifractal characteristics of spatio-temporal distribution of generalized strain release of earthquakes (GSRE) occurred in the eastern and western Chinese mainland (as an instance of intraplate region), Taiwan region and New Zealand (as an instance of interplate region). The results show that the multifractal characteristics of GSRE are closely related to the geodynamic environment. For the temporal distribution of strong events, the clustering feature is more evident in the interplate regions than that in the intraplate regions, while for small and moderate events, this difference is ambiguous. For the spatial distribution of strong earthquakes, the clustering feature is usually clearer in the intraplate regions than that in the interplate regions, while for small and moderate events, the case is just opposite. 展开更多
关键词 generalized strain release of earthquakes MULTIFRACTAL intraplate earthquake interplate earthquake
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