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Authors: Di Giulio, G.* 
Savvaidis, A.* 
Theodoulidis, N* 
Ohrnberger, M.* 
Endrun, B.* 
Wathelet, M.* 
Cornou, C.* 
Renalier, F.* 
Bard, P.* 
Title: Inversion of surface wave dispersion at european strong motion sites using a multi-model parameterization and an information-theoretic approach
Issue Date: 2010
Keywords: surface waves, inversion of dispersion curves, Akaike's information criterion
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.99. General or miscellaneous 
Abstract: Within the scope of the EC-projects NERIES and ITSAK-GR we have applied a procedure able to combine a multi-model space parameterization and an information theoretic approach in analysis of dispersion curve inversion. In detail we considered the dispersion curve assessed at 14 strong motion European sites. At each site we investigated the model space through four different parameterization groups within the wavelength range estimated by actual dispersion curves. In order to explore the influence of model space we increased progressively the number of layers for each parameterization. We therefore addressed the model evaluation among a set of competing models obtained by inversion following the corrected Akaike’s Information Criterion(AICc). By using such information-theoretic approach, we found an acceptable agreement between the inverted shear-velocity profiles of the best models and the available borehole results.
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