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#DSurfTomo DSurfTomo is a surface wave inversion program which can directly invert surface wave dispersion data to 3D shear wave speed without the intermediate step of constructing the phase or group velocity maps.
DSurfTomo is the surface wave inversion program which can directly invert surface wave The fast marching method (FMM) (Rawlinson et al., 2004) is used to compute, at each period, surface wave travel times and ray paths between sources and receivers. This avoids the assumption of great-circle propagation that is used in most surface wave tomographic studies, but which is not appropriate in complex media.
dispersion data to 3D shear wave speed without the intermediate step of constructing Please refer to Fang et al. (2015 , GJI) for the detail description of the method.
the phase or group velocity maps.A fast march method (FMM) is used to compute, at each
period, surface wave travel times and ray paths between sources and receivers. This
avoids the assumption of great-circle propagation that is used in most surface wave
tomographic studies, but which is not appropriate in complex media.
For detail description of the method, please refer to:
Fang, H., Yao, H., Zhang, H., Huang, Y. C., & van der Hilst, R. D. (2015).
Direct inversion of surface wave dispersion for three-dimensional shallow
crustal structure based on ray tracing: methodology and application. Geophysical Journal International, 201(3), 1251-1263.
This is the source code without users' manual and examples about how to use it. If you need a detail description and some examples, Fang, H., Yao, H., Zhang, H., Huang, Y. C., & van der Hilst, R. D. (2015). Direct inversion of surface wave dispersion for three-dimensional shallow crustal structure based on ray tracing: methodology and application. Geophysical Journal International, 201(3), 1251-1263.
feel free to send an email to Hongjian Fang (fanghj@mail.ustc.edu.cn) with a brief introduction about yourself and why you want to Rawlinson, N. & Sambridge, M., 2004. Wave front evolution in strongly heterogeneous layered media using the fast marching method, Geophys. J. Int., 156(3), 631–647
use it. We will be happy to help.