Data Services Products: EMC-TNA_SNA Average of the TNA and SNA models

Summary

An average of the TNA (Tectonic North America) and SNA (Shield North America) S velocity models of Grand and Helmberger (1984)

Description

Name TNA/SNA
Title Average of the TNA and SNA models
Type 1-D Reference Earth Model
Sub Type S velocity
Year 2010
Short Description   An average of the TNA (Tectonic North America) and SNA (Shield North America) S velocity models of Grand and Helmberger (1984)
Authors:  
Nathan A. Simmons
Atmospheric, Earth and Energy Division
Lawrence Livermore National Laboratory
Livermore, California, USA
Alessandro M. Forte
GEOTOP, Departement des Sciences de la Terre et de l’Atmosphere
Universite du Quebec
Montreal, Montreal, Quebec, Canada
Lapo Boschi
Eidgenossische Technische Hochschule Honggerberg
Institute of Geophysics, Zurich, Switzerland
Stephen P. Grand
Jackson School of Geosciences
University of Texas at Austin
Austin, Texas, USA
 
Based on the models of Grand and Helmberger (1984)
 
Stephen P. Grand
Department of Geological Sciences
The University of Texas
Austin, Texas
Donald V. Helmberger
Division of Geological and Planetary Sciences
California Institute of Technology
Pasadena, California
 
Base Model TNA (Tectonic North America) & SNA (Shield North America)
Referenced by GyPSuM
Model Download  
in its original format (StartingVsModel_TNA-SNA-average.txt ) with columns left to right representing Radius (km), and Vs (km/s)
 
in comma separated value (CSV) file format (StartingVsModel_TNA-SNA-average.csv ) with columns left to right representing Radius (km), and Vs (km/s)
 
in IDV CSV file format (StartingVsModel_TNA-SNA-average_IDV.csv ).
Model Homepage
Depth Coverage 0 to 2891 km
Areal Coverage Point data
 

Average of TNA and SNA models

Average of TNA and SNA models

Citation

  • Simmons, N.A., A.M. Forte, L. Boschi, and S.P. Grand. 2010. “GyPSuM: A joint tomographic model of mantle density and seismic wave speeds.” J. Geophys. Res. 115:B12310.
  • 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 application, Seismological Research Letters, 83(6), 846:854. doi: 10.1785/0220 120032

Reference

  • Grand, S.P., and D.V. Helmberger. 1984. “Upper mantle shear structure of North America.” Geophys. J. R. Astr. Soc. 76:399-438.

Credits

  • Nathan A. Simmons, Alessandro M. Forte, Lapo Bosch, and Stephen P. Grand

DOI

doi:10.1029/2010JB007631

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