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Surface wave ray tracing and azimuthal anisotropy: a generalized spherical harmonic approach

Abstract:

We explain in detail how azimuthally anisotropic maps of surface wave phase velocity can be parametrized in terms of generalized spherical harmonic functions, and why this approach is preferable to others; most importantly, generalized spherical harmonics are the only basis functions adequate to describe a tensor field everywhere on the unit sphere, including the poles of the reference frame. We introduce here a new algorithm, designed specifically for the generalized harmonic parametrization...

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Publication status:
Published

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Authors


Woodhouse, JH More by this author
Journal:
GEOPHYSICAL JOURNAL INTERNATIONAL
Volume:
164
Issue:
3
Pages:
569-578
Publication date:
2006-03-05
DOI:
EISSN:
1365-246X
ISSN:
0956-540X
URN:
uuid:9aa429bb-5e54-43dc-aeae-3ad2b5a6bdcf
Source identifiers:
83380
Local pid:
pubs:83380

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