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Improving global shear-wave delay-time tomography using three-dimensional ray tracing and iterative inversion

Widiyantoro, S; Gorbatov, A.; Kennett, Brian; Fukao, Yoshio

Description

A fully non-linear approach to global tomography using S-wave arrival times has been implemented using 3-D ray tracing with an iterative linearized inversion scheme. The starting model for the 3-D inversion was the long-wavelength SAW12D model derived from inversion of global waveforms. The traveltime tomography leads to the introduction of smaller-scale structure, and a final model in which small-scale detail exists and can be resolved with a smooth interconnection through long-wavelength...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
URI: http://hdl.handle.net/1885/23995
Source: Geophysical Journal International
DOI: 10.1046/j.1365-246X.2000.00112.x

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