Shear wave splitting animation software

It can be seen that the match between inverted quantities and the model parameters is excellent. Shear wave splitting, a seismological analogy to optical birefringence, is a frequently used tool to measure and describe anisotropy of the earth, assuming the mantle is layered in a simple manner with a laterallyuniform anisotropy. Shear wave splitting observations in the chinese tianshan. A linear array of 26 3component broadband digital stations across the chinese tianshan orogenic belt ctob was deployed for months to measure the shear wave splitting. The splitlab shearwave splitting database description. Shear wave splitting is typically used as a tool for testing the anisotropy of an area of interest. Inverted results for the interval rotation angles and time delays, which are in the reverse polarity compared to the input model, are shown in figure 1bc respectively. Shear wave splitting, also called seismic birefringence, is the phenomenon that occurs. A program for semiautomatic analysis of shear wave splitting. Automation of shearwave splitting measurements using. Animation of shear wave splitting upon entering an anisotropic medium.

Home of the pytheas software for local shearwave splitting analysis ispingos pytheassplitting. Shearwave splitting has recently been observed in many. Shear wave splitting, also called seismic birefringence, is the phenomenon that occurs when a. A shear wave splitting analysis by sks was performed from 2004 through 2007 by kaviani et al. The incident shear wave splits into two polarized shear waves fig. Pdf shear wave splitting, lithospheric anisotropy, and. The shearwave splitting sws databases data product provides the. Lessonsdemonstrations educational softwarewebtools animations animated gifs. Shearwave splitting measurements problems and solutions. Postprocessing of the combined results of such a project includes a viewer and export option. Software for teleseismic shearwave splitting analysis. Shear wave splitting analysis using simulated annealing exponential figure 2a.

Seismic anisotropy and shearwave splitting mountain building. Ebsdbased dynamic wave propagation model for studying seismic anisotropy. Shearwavesplitting, auch seismische doppelbrechung genannt entsteht, wenn eine. The seismogram viewer tool uses this database to perform the measurement interactively. A wave propagation animation can be produced using the exported images. Splitlab, matlab, shear wave splitting, seismic, splitting, anisotropy, andreas wuestefeld. Shear wave splitting analysis using simulated annealing. Iris, in collaboration with the geosciences montpellier, france, has created the splitlab shearwave splitting database swsdbsplitlab as a mirror of the. Shear wave splitting, also called seismic birefringence, is the phenomenon that occurs when a polarized shear wave enters an anisotropic medium fig. Shear wave splitting, also called seismic birefringence, is the phenomenon that occurs when a polarized shear wave enters an anisotropic medium. Largescale mantle anisotropy results from straininduced preferred orientation of minerals, mainly olivine. Shearwave splitting data base we want to faciliate the overview of existing shearwave splitting measurements and share the results of the analysis and experiments with everybody. Automation of shear wave splitting measurements using cluster analysis by n. Our emphasis lies in the application to teleseismic shearwave splitting analysis, but our code can be extended easily for other purposes.