Love wave Dispersion curve

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mohammadnb
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Joined: Tue May 07, 2019 2:45 pm

Love wave Dispersion curve

Postby mohammadnb » Thu Jun 06, 2019 1:26 am

I have a sample of data passive array, that has been taken as a circular array of microtremors, and I want to get the Love wave Dispersion curve and invert it.
can you guide me on how to do this?
Thanks.

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Re: Love wave Dispersion curve

Postby admin » Thu Jun 06, 2019 10:30 am

To get Love dispersion curve from ambient vibrations, you must process 3-component recordings. Various alternatives are:
  • Three component SPAC (Köhler et al., Geophysical Journal International, 2007). It is implemented in Geopsy but undocumented. It will soon evolve.
  • WaveDec (Marano et al., Geophysical Journal International, 2012 and 2017). The code can be requested at http://mercalli.ethz.ch/~marra/WaveDec
  • RTBF (Wathelet et al., Geophysical Journal International, 2018). Available in latest geopsy releases. A tutorial can be found at http://www.geopsy.org/wiki/index.php/Geopsy-fk

Love and Rayleigh dispersion curves as well as the Rayleigh ellipticity can inverted in dinver. Higher modes are also considered.


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