Coda wave interferometry for estimating nonlinear behavior in seismic velocity

Coda wave interferometry for estimating nonlinear behavior in seismic velocity
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DOI:
10.1126/science.1070015
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发表时间:
2002-03-22
期刊:
影响因子:
56.9
通讯作者:
Scales, J
Scales, J
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Snieder, R;Grêt, A;Scales, J

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在尾波干涉测量中,人们在有限数量的接收器处记录多次散射波,以推断介质随时间的变化。利用这种技术,我们已经确定了花岗岩中地震速度对温度的非线性依赖关系和相关的声发射。该技术可用于警告模式,以检测介质中的时间变化的存在,或用于诊断模式,其中介质中的时间变化被量化。
In coda wave interferometry, one records multiply scattered waves at a limited number of receivers to infer changes in the medium over time. With this technique, we have determined the nonlinear dependence of the seismic velocity in granite on temperature and the associated acoustic emissions. This technique can be used in warning mode, to detect the presence of temporal changes in the medium, or in diagnostic mode, where the temporal change in the medium is quantified.