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On the relevance of Born theory in global seismic tomography
Author(s) -
Boschi Lapo,
Becker Thorsten W.,
Soldati Gaia,
Dziewonski Adam M.
Publication year - 2006
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2005gl025063
Subject(s) - tomography , seismic tomography , relevance (law) , inverse theory , geology , tomographic reconstruction , physics , surface wave , optics , political science , law
Does the application of seismic Born theory, as opposed to simpler ray theory, lead to an improvement in tomographic images of the Earth? In recent publications, Montelli et al. (2004a, 2004b) and van der Hilst and de Hoop (2005) among others have expressed opposite opinions. We propose a quantitative approach to the comparison of tomographic images, which we apply to the case of surface‐wave phase velocity maps derived with Born vs. ray theory.