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地球学报  2004 

青藏高原东北侧断层活动引起的地壳三维变形与重力场变化研究

Keywords: 断层活动,三维变形,重力变化,地震活动

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Abstract:

本文推导了断层活动与地面重力变化的理论关系,讨论了与断层活动有关的三维形变场变化与实际观测的重力变化之间的关系。利用位错理论模型模拟了青藏高原东北侧的多组断层活动引起的地壳三维变形与重力场变化分布。并结合该地区2001年11月14日昆仑山Ms8.1地震前观测的两期重力资料,讨论了该地区的地质构造活动与重力变化过程与地震活动的关系。

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