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Coupled normal-mode sensitivity to inner-core shear velocity and attenuation

Abstract:

We have studied the response of normal modes to perturbations in inner-core shear velocity and attenuation, using fully coupled mode synthetics. Our results indicate that (i) mode pairs nS l - n±1S l are strongly coupled by anelasticity, (ii) this coupling causes shear velocity perturbations to strongly affect the Q values of modes through exchange of inner-core characteristics, (iii) there is no...

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Publication status:
Published

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Authors


Andrews, J More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
GEOPHYSICAL JOURNAL INTERNATIONAL
Volume:
167
Issue:
1
Pages:
204-212
Publication date:
2006-10-05
DOI:
EISSN:
1365-246X
ISSN:
0956-540X
URN:
uuid:e4a1afa6-8215-4597-a1c3-dbc3a02fab0e
Source identifiers:
82713
Local pid:
pubs:82713
Language:
English
Keywords:

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