An alternative parameterisation for surface waves in a transverse isotropic medium

Details An alternative parameterisation for surface waves in a transverse isotropic medium An alternative parameterisation for surface waves in a transverse isotropic medium

Feb 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pepi..118..125m&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 118, Issue 1-2, p. 125-133.

Physics

1

Scientific paper

The elastic properties of the Earth can only be retrieved by seismic waves when assumptions about the seismic anisotropy are made. One such an assumption is to assume that the Earth is transverse isotropic. In a transverse isotropic Earth Love waves are sensitive to two independent elastic parameters and Rayleigh waves to four parameters. In addition these waves are sensitive to density. However, resolving four elastic parameters together with density as function of depth from Rayleigh waves phase velocity curves is difficult as the large number of parameters can make the inverse problem easily under-determined. We show that the partial derivatives of fundamental and higher mode Rayleigh wave phase velocities with respect to the parameters of transverse isotropy for periods 20

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