Joint analysis of refractions with surface waves: An inverse solution to the refraction-traveltime problem | Zendy

Julian Ivanov | Zendy; Richard D. Miller | Zendy; Jianghai Xia | Zendy; Don W. Steeples | Zendy; Choon B. Park | Zendy

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Joint analysis of refractions with surface waves: An inverse solution to the refraction-traveltime problem

Author(s) -

Julian Ivanov,

Richard D. Miller,

Jianghai Xia,

Don W. Steeples,

Choon B. Park

Publication year - 2006

Publication title -

geophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.178

H-Index - 172

eISSN - 1942-2156

pISSN - 0016-8033

DOI - 10.1190/1.2360226

Subject(s) - refraction , inverse problem , constraint (computer aided design) , joint (building) , inverse , surface (topology) , range (aeronautics) , surface wave , geology , a priori and a posteriori , mathematical analysis , optics , mathematics , physics , geometry , materials science , architectural engineering , philosophy , epistemology , composite material , engineering

We describe a possible solution to the inverse refraction-traveltime problem (IRTP) that reduces the range of possible solutions (nonuniqueness). This approach uses a reference model, derived from surface-wave shear-wave velocity estimates, as a constraint. The application of the joint analysis of refractions with surface waves (JARS) method provided a more realistic solution than the conventional refraction/tomography methods, which did not benefit from a reference model derived from real data. This confirmed our conclusion that the proposed method is an advancement in the IRTP analysis. The unique basic principles of the JARS method might be applicable to other inverse geophysical problems.

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