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Scatterer Characterization from Correlated Surface Wave CodaNormal access

Authors: T.E. Blum, T.D. Mikesell, K. van Wijk, R. Snieder and H. Sato
Event name: 77th EAGE Conference and Exhibition - Workshops
Session: WS15 - Imaging, Characterization and Monitoring Using Interferometric Methods - Recent Developments
Publication date: 01 June 2015
DOI: 10.3997/2214-4609.201413580
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.57Mb )
Price: € 20

Summary:
The accuracy of scattered Rayleigh waves estimated using an interferometric method is investigated. Summing the cross correlations of the wave fields measured all around the scatterers yields the Green's function between two excitation points. This accounts for the direct wave and the scattered field (coda). The correlations themselves provide insights into the location of the scatterers as well as which scatterer is responsible for particular parts of the coda.


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