Non-uniqueness with refraction inversion - the Mt Bulga shear zone

ABSTRACT The tau‐p inversion algorithm is widely employed to generate starting models with many computer programs that implement refraction tomography. However, this algorithm can frequently fail to detect even major lateral variations in seismic velocities, such as a 50 m wide shear zone, which is...

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Bibliographic Details
Published in:	Geophysical Prospecting Vol. 58; no. 4; pp. 561 - 575
Main Author:	Palmer, Derecke
Format:	Journal Article
Language:	English
Published:	Oxford, UK Blackwell Publishing Ltd 01.07.2010 Blackwell
Subjects:	Algorithms Applied geophysics Computer programs Data processing Earth sciences Earth, ocean, space Exact sciences and technology Internal geophysics Inversion Inversions Mathematical models Prospecting Refraction Seismic phenomena Seismics Shear zone Tomography Velocity analysis reversals waves algorithms models inverse problem computer programs geologic sections spectral analysis accuracy weathering velocity seismic profiles velocity analysis lateral variations boreholes amplitude tomography shear zones travel time reduction
ISSN:	0016-8025, 1365-2478
Online Access:	Get full text
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