Estimating frequency-dependent shear wave velocity in near-surface sediment based on seismic interferometry
Hao Zhang,
Yang Shi,
Hongjun He
et al.
Abstract:Near-surface seismic shear wave is a basic tool for seismic investigations. However, its frequency-dependent property is not fully investigated, especially by the in-situ observation method. Here, we develop the seismic interferometry with a moving frequency window to process the natural seismic signals recorded by the KiK-net network. It is observed that the phase velocity of the shear wave decreases sharply as the frequency increases in the low-frequency range, and remains constant in the high-frequency rang… Show more
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