Full waveform tomography for radially anisotropic structure: New insights into present and past states of the Australasian upper mantle
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Fichtner, Andreas; Kennett, Brian; Igel, Heiner; Bunge, Hans-Peter
Description
We combine spectral-element simulations and adjoint techniques in a non-linear full seismic waveform tomography for the radially anisotropic structure of the Australasian upper mantle. Our method allows us to explain 30 s waveforms in detail, and it yields tomographic images with locally 2{ring operator} lateral resolution. In the course of 19 conjugate-gradient iterations the total number of exploitable waveforms increased from 2200 to nearly 3000. The final model, AMSAN.19, thus explains data...[Show more]
Collections | ANU Research Publications |
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Date published: | 2010 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/32758 |
Source: | Earth and Planetary Science Letters |
DOI: | 10.1016/j.epsl.2009.12.003 |
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01_Fichtner_Full_waveform_tomography_for_2010.pdf | 2.26 MB | Adobe PDF | Request a copy |
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