Attenuation tomography of the upper inner core
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Pejic, Tanja; Tkalcic, Hrvoje; Sambridge, Malcolm; Cormier, Vernon F; Benavente, Roberto
Description
The solidification of the Earth's inner core shapes its texture and rheology, affecting the attenuation and scattering of seismic body waves transmitted through it. Applying attenuation tomography in a Bayesian framework to 398 high-quality PKIKP waveforms, we invert for the apparent Qp for the uppermost 400 km below the inner core boundary at latitudes 45°S to 45°N. We use damping and smoothing for regularization of the inversion, and it seems that the smoothing regularization combined with...[Show more]
Collections | ANU Research Publications |
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Date published: | 2017 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/232626 |
Source: | Journal of Geophysical Research: Solid Earth |
DOI: | 10.1002/2016JB013692 |
Access Rights: | Open Access |
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Tanja_Attenuation tomography of the upper inner core.pdf | 3.59 MB | Adobe PDF | ![]() |
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