The origin of low-frequency maxima in the spectra of seismic noise

被引：0
|
作者：
V. K. Sidorov
M. V. Tarantin
机构：
[1] Russian Academy of Sciences,Institute of Mining, Ural Branch
来源：
Izvestiya, Physics of the Solid Earth | 2013年 / 49卷
关键词：
Elastic Wave; Seismic Event; Versus Versus Versus; Solid Earth; Versus Versus Versus Versus;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The evidence attesting to the possibility of the largest spectral maximum in seismic noise with a peak frequency of 0.14–0.22 Hz to form as a result of low-frequency dissipation of elastic wave energy in rocks is presented. According to this mechanism, elastic wave energy in rock, which can be considered as a two-component medium (solid matrix + pore water), is dissipated in the form of low-frequency pulses whose energy is the lower the smaller the coefficient of porosity. It is assumed that weak seismic events continuously occur in the frequency range above 6 Hz, and their dissipated energy is a source of the low-frequency noise.
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页码：59 / 62
页数：3
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