Full waveform tomography with the spectral element method

Full waveform tomography with the spectral element method

Map of lateral variations in the velocity of seismic shear waves (S-waves) at a depth of 125 km. Warm colors denote slower wavespeeds, and are...

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Frequency dependence of seismic attenuation

Frequency dependence of seismic attenuation

Preferred model (solid line) of frequency dependence of attenuation within the absorption band compared with constraints from laboratory studies (hachured region) and the frequency-independent assumption...

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Lithospheric structure beneath continental rifts

Lithospheric structure beneath continental rifts

Isotropic shear wavespeed variations in the upper mantle from the SEMum model [Lekic and Romanowicz, 2008]. The model is developed using the spectral element method...

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