Rayleigh Wave Dispersive Properties of a Vector Displacement as a Tool for P- and S-Wave Velocities Near Surface Profiling

Andrey Konkov (), Andrey Lebedev () and Sergey Manakov ()
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Andrey Konkov: The Institute of Applied Physics of the Russian Academy of Sciences
Andrey Lebedev: The Institute of Applied Physics of the Russian Academy of Sciences
Sergey Manakov: The Institute of Applied Physics of the Russian Academy of Sciences

A chapter in Handbook of Geomathematics, 2015, pp 2189-2206 from Springer

Abstract: Abstract This article presents the simultaneous analysis of the frequency dependence of the Rayleigh wave velocity accompanied with the frequency dependence of the ratio of projection amplitudes of particle displacement on the ground. As was shown, this complex analysis enables evaluating both shear wave velocity and the Poisson ratio profile in a horizontally layered media. On the one hand, data inversion including the Poisson ratio profile reduces the ambiguity of the inverse problem solution. On the other hand, the Poisson ratio is a well-known clue to distinguish remotely fluid saturation of rocks and soils as well as a nature of bonds between structural elements. Therefore, the seismic data inversion proposed provides valuable information for practical applications. Experiments were carried out at different times on the same site. Their results manifest the evidence to use the method proposed for remote diagnostics of the degree of fluid saturation of porous media in situ.

Keywords: Rayleigh Wave; Shear Wave Velocity; Poisson Ratio; Fluid Saturation; Impulsive Source (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-54551-1_98

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DOI: 10.1007/978-3-642-54551-1_98

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