朱爽,王洪栋

• 1:中国地震局第一监测中心

摘要(Abstract)：

针对天山中段地区水平地壳形变特征最新动态的研究问题,提出了利用GPS连续站及流动站资料,基于速度场结果进行GPS剖面分析的方法来进行研究。结合速度场及剖面结果可以看出,北西走向的喀什河断裂带,1992—2011背景走滑运动为右旋走滑,2009—2014年右旋运动有所减弱,2013—2015年仍然较弱;天山中部的滑脱断层,1992—2011年的结果显示其走滑运动较不明显,但2009—2014期的结果表明出现了一定的左旋运动,2013—2015年的左旋运动加剧;天山中部的滑动速率结果显示出天山中段博罗科努断裂带中段变形速率较东西两侧均较小,值得进一步关注。研究结果利用了最新数据,显示了天山中段水平地壳形变的最新特征,为判定天山中段地区的地震危险性提供了支持。

关键词(KeyWords)： 全球定位系统;天山中段;GPS剖面;滑动速率;基线时间序列

Abstract:

Keywords:

基金项目(Foundation): 科技部科技基础性工作专项(2015FY210400)

作者(Author): 朱爽,王洪栋

DOI: 10.16251/j.cnki.1009-2307.2017.09.007

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