3D2017_09Sv is the latest Sv wave model of the upper mantle and transition zone based on the waveform modeling of 1,517,611 Rayleigh waves recorded between 1976 and September 2017. The use of approximate forward theory and modeling allows updating the model following the publication of the monthly CMT catalog. 3D2017_09Sv contains azimuthal anisotropy and achieves a lateral resolution of ~600 km in the upper mantle.
|Title||Global SV wave upper mantle model updated until September 2017|
|Type||3-D Tomography Earth Model|
|Sub Type||SV wave velocity, Azimuthal anisotropy and peak to peak anisotropy|
|Short Description||3D2017_09Sv is the current update of our background model 3D2015_07Sv up to September 2017. It is based on the waveform modeling of 1,517,611 Rayleigh waves recorded between 1976 and September 2017. The tomographic model is built using the same automated scheme as background model presented in Debayle et al., GRL 2016.|
|Eric Debayle, Fabien Dubuffet, Stéphanie Durand|
|Laboratoire de Géologie de Lyon: Terre, Planètes, Environnement, CNRS, UMR 5276|
|École Normale Supérieure de Lyon, Université de Lyon, Université Claude Bernard Lyon|
|3D2017-09Sv-depth.nc (see metadata ), is the netCDF file for the model as a function of depth|
|Depth Coverage||40 to 1000 km|
|Data Set Description||We requested records from IRIS and RESIF data centers starting from the CMT catalog issued at the Lamont-Doherty Earth Observatory of Columbia University. We requested all Rayleigh waveforms recorded on the LHZ channel by the virtual networks GSN_broadband,FDSN_all, and US_backbone between January 1976 and September 2017. We also used data from Program for Array Seismic Studies of the Continental Lithosphere (PASSCAL) experiments in Africa, Tibet, and New Zealand, fromthe SKIPPY temporary deployment in Australia and fromFrench temporary experiments in the Horn of Africa, French Polynesia, and in the Aegean-Anatolia region.|
To cite the original work behind this Earth model:
- Debayle, E., F. Dubuffet, and S. Durand (2016), An automatically updated S-wave model of the upper mantle and the depth extent of azimuthal anisotropy, Geophys. Res. Lett., 43, https://doi.org/10.1002/2015GL067329.
To cite IRIS DMC Data Products effort:
- Trabant, C., A. R. Hutko, M. Bahavar, R. Karstens, T. Ahern, and R. Aster (2012), Data Products at the IRIS DMC: Stepping Stones for Research and Other Applications, Seismological Research Letters, 83(5), 846–854, https://doi.org/10.1785/0220120032.
DOI for this EMC webpage:
Model provided by Fabien Dubuffet
Eric Debayle, Fabien Dubuffet, Stéphanie Durand
Laboratoire de Géologie de Lyon