唐梓柯,丁开华,周伟,刘蓬,明祖涛

• 1:中国地质大学(武汉)地理与信息工程学院

摘要(Abstract)：

针对经典螺旋位错模型和考虑倾角的螺旋位错模型的差异,该文通过模拟实验对比分析了基于螺旋位错模型进行走滑型断层滑移速率反演时断层倾角对反演结果的影响。在此基础上,以川滇地区1999—2019年中国地壳运动观测网络提供的GPS资料为约束,采用带有倾角改正的螺旋位错模型反演了鲜水河断裂带北中南各段的现今滑移速率。通过与未考虑断层倾角的经典螺旋位错模型反演结果的对比,发现带有倾角改正的模型的反演精度更高,在一定程度上能更加客观地反映鲜水河断层的形态特征:各段的倾角、闭锁深度以及滑移速率各异;相比中段,北段和南段的闭锁程度较高,表明其具有更高的地震危险性。

关键词(KeyWords)： GPS速度场;螺旋位错模型;鲜水河断裂带;滑移速率

Abstract:

Keywords:

基金项目(Foundation): 国家博士后基金项目（2016M592408）

作者(Author): 唐梓柯,丁开华,周伟,刘蓬,明祖涛

DOI: 10.16251/j.cnki.1009-2307.2021.12.002

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