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AuthorsCaserta, A.* 
Di Bona, M.* 
TitleMonte Carlo technique in modeling ground motion coherence in sedimentary filled valleys
Issue DateNov-2009
Series/Report no./ (2009)
KeywordsCoherence of seismic waves
Monte Carlo numerical simulations
Subject Classification04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis 
AbstractUsing a Monte Carlo method based on a random walk in ad hoc N-dimensional phase space, we construct N random time series having prescribed coherence spatial decay. We apply the method in seismology by designing a numerical experiment to investigate how the coherence of the bedrock motion relates to the coherence of the surface ground motion in a sedimentary valley. The main features of the coherence behavior in the valley are found to tie in with data analysis and field observations.
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