Upper mantle shear attenuation model QRLW8

Yuancheng Gung and Barbara Romanowicz, "Q tomography of the upper mantle using three component long period waveforms", Geophys. J. Int., 157, 813-830 (2004).

view abstract or download pdf reprint
 See also:
 Barbara Romanowicz and Yuancheng Gung, " Superplumes from the core-mantle boundary to the lithosphere", Science, 296, 513-516. download pdf reprint

Model parametrization:
The model  is  parametrized laterally in spherical harmonics up to degree 8 and radially in 7 unevenly spaced splines.


Lateral sections of QRLW8
Download a reprint(3.1Mb)
Download a offprint and model (tarfile)

For all enquiries, please contact Yuancheng Gung:


or Barbara Romanowicz: