Direct inversion of surface wave dispersion for three-dimensional shallow crustal structure based on ray tracing: methodology and application

Fang, Hongjian; Yao, Huajian; Zhang, Haijiang; Huang, Yu-Chih; D. van der Hilst, Robert

doi:10.1093/gji/ggv080

Public

Direct inversion of surface wave dispersion for three-dimensional shallow crustal structure based on ray tracing: methodology and application

Published in Geophysical Journal International • Mar 30, 2015

Authors:

Hongjian Fang

Huajian Yao

Haijiang Zhang

Abstract

We propose a method to invert surface wave dispersion data directly for 3-D variations of shear wave speed, that is, without the intermediate step of phase or group velocity maps, using frequency-dependent ray tracing and a wavelet-based sparsity-constrained tomographic inversion. A fast marching me...

Subject

Geology

Rayleigh wave

Surface wave

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