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首页> 外文期刊>Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System >Inversion of relative motion data for estimates of the velocity gradient field and fault slip
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Inversion of relative motion data for estimates of the velocity gradient field and fault slip

机译:反演相对运动数据以估计速度梯度场和断层滑动

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摘要

A new method is presented for a purely kinematic analysis of relative motion data of crustal deformation. We start by developing a general integral formulation that links the relative motion between two positions to the velocity gradient field. Next, fault slip is explicitly incorporated, leading to the final observation equation. This equation provides a new, complete and, in practice, exact description of the time-dependent relation between surface motion and the underlying kinematics. The combination of equations belonging to paris of observation sites (e.g. of a geodetic network) leads in a natural way to a linear inverse problem from which the velocity gradient field and slip on active faults can be estimated. The method is successfully tested in a synthetic experiment.
机译:提出了一种纯运动学分析地壳变形相对运动数据的新方法。我们首先开发一个整体积分公式,该公式将两个位置之间的相对运动与速度梯度场联系起来。接下来,将断层滑动明确地纳入其中,从而得出最终的观测方程。该方程式提供了一个新的,完整的,实际上是对表面运动与基础运动学之间时间相关关系的精确描述。属于观测地点(例如大地测量网络)的巴黎的方程式的组合自然地导致了线性反问题,由此可以估计速度梯度场和活动断层上的滑动。该方法已在合成实验中成功测试。

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