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Seismic Tomography Globe

Note for SEMUCB_WM1

Link to a viewer (SEMUCB_WM1)

Description for SEMUCB_WM1

  • Seismic tomography model

    • Seismic tomography model: 2 x 2 degree grid of SEMUCB_WM1 (the relative Voigt-average shear velocity (%) and ξ (= Vsh^2 / Vsv^2) (xi) perturbations (%) (relative to the reference 1D model data/model.ref))

    Scott French, Barbara Romanowicz, "Whole-mantle radially anisotropic shear velocity structure from spectral-element waveform tomography", Geophysical Journal International, 2014, 199, doi: 10.1093/gji/ggu334

    Scott French, Vedran Lekic, Barbara Romanowicz, "Waveform Tomography Reveals Channeled Flow at the Base of the Oceanic Asthenosphere", Science, 2013, 342:227, doi: 10.1126/science.1241514

  • Color Scale

  • IsoDepth Texture Map

    • S-wave velocity map (depth): 60 km, 150 km, 220 km, 300 km, 370 km, 470 km, 600 km, 700 km, 800 km, 925 km, 1075 km, 1225 km, 1375 km, 1525 km, 1675 km, 1825 km, 1975 km, 2125 km, 2275 km, 2425 km, 2575 km, 2775 km

    ξ velocity map (depth): 60 km, 150 km, 220 km, 300 km, 370 km, 470 km, 600 km, 700 km, 800 km, 925 km, 1075 km, 1225 km, 1375 km, 1525 km, 1675 km, 1825 km, 1975 km, 2125 km, 2275 km, 2425 km, 2575 km, 2775 km

    Description for the Earth's surface data

    • Topography: ETOPO1

      • Amante, C; Eakins, B W (2009): ETOPO1, Global Relief Model converted to PanMap layer format. NOAA-National Geophysical Data Center, PANGAEA, doi:10.1594/PANGAEA.769615 (Download colorbar (eps), texture (jpg))

    • Moho depth: CRUST1.0

      • Laske, G., Masters., G., Ma, Z. and Pasyanos, M., Update on CRUST1.0 - A 1-degree Global Model of Earth's Crust, Geophys. Res. Abstracts, 15, Abstract EGU2013-2658, 2013 (Download colorbar (eps), texture (jpg))

    • Depth of lithosphere-asthenosphere boundary: LITHO1.0 (Tessellation level 7)

      • Pasyanos, M.E., T.G. Masters, G. Laske, and Z. Ma (2014). LITHO1.0: An updated crust and lithospheric model of the Earth, J. Geophys. Res., 119 (3), 2153-2173, DOI: 10.1002/2013JB010626 (Download colorbar (eps), texture (jpg))

    • Formation time of ocean floor: Agegrid (Earth Byte)

      • Müller, R.D., M. Sdrolias, C. Gaina, and W.R. Roest 2008. Age, spreading rates and spreading symmetry of the world's ocean crust, Geochem. Geophys. Geosyst., 9, Q04006, doi:10.1029/2007GC001743 (Download colorbar (eps), texture (jpg))

    • Terrestrial heat flow

      • Goutorbe, B., J. Poort, F. Lucazeau, and S. Raillard (2011), Global heat flow trends resolved from multiple geological and geophysical proxies, Geophys. J. Int., 187, 1405–1419 (Download colorbar (eps), texture (jpg))

    • Geoid height: EGM2008

      • Nikolaos K. Pavlis, Simon A. Holmes, Steve C. Kenyon, John K. Factor, The development and evaluation of the Earth Gravitational Model 2008 (EGM2008), Journal of Geophysical Research: Solid Earth, 117, B4, 2012 (Download colorbar (eps), texture (jpg))

    • Free-air and Bouguer gravity anomalies: WGM2012

      • Balmino, G., Vales, N., Bonvalot, S. and Briais, A., 2011. Spherical harmonic modeling to ultra-high degree of Bouguer and isostatic anomalies. Journal of Geodesy. DOI 10.1007/s00190-011-0533-4 (Download colorbar (eps), texture (jpg) for Free-air anomaly. colorbar (eps), texture (jpg) for Bouguer anomaly)


      for Free-air anomaly.

      for Bouguer anomaly.

    Map Creation

    All the isodepth maps are created by Generic Mapping Tool (GMT) except for an image with cloud.

    GMT: Wessel,P. and W.H.F.Smith, New, improved version of Generic Mapping Tools released, EOS Trans. Amer. Geophys. U., vol.79 (47), pp.579, 1998
    Image with cloud: Tom Patterson, www.shadedrelief.com