Normal mode splitting due to inner core attenuation anisotropy

Mäkinen, Anna M and Deuss, Arwen (2013) Normal mode splitting due to inner core attenuation anisotropy. Geophysical Journal International. ISSN ISSN: 0956-540X, ESSN: 1365-246X DOI 10.1093/gji/ggt332

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Abstract

The Earth's inner core displays transverse velocity anisotropy with cylindrical symmetry, which causes the anomalous zonal splitting of inner core sensitive normal modes. In this paper, we extend existing theory for calculating normal mode splitting from models of cylindrical velocity anisotropy to include models of anelastic attenuation anisotropy. Furthermore, we derive the equations that can be used to rewrite the attenuation anisotropy parameters natural to normal mode considerations in terms of body wave attenuation anisotropy for compressional and shear waves.

Item Type: Article
Additional Information: © The Authors 2013. Published by Oxford University Press on behalf of The Royal Astronomical Society.
Uncontrolled Keywords: 2013AREP; IA66;
Subjects: 02 - Geodynamics, Geophysics and Tectonics
Divisions: 02 - Geodynamics, Geophysics and Tectonics
Journal or Publication Title: Geophysical Journal International
Identification Number: 10.1093/gji/ggt332
Depositing User: Sarah Humbert
Date Deposited: 28 Sep 2013 23:00
Last Modified: 06 Nov 2013 11:56
URI: http://eprints.esc.cam.ac.uk/id/eprint/2889

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