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Authors: Caserta, A.* 
Di Bona, M.* 
Title: Monte Carlo technique in modeling ground motion coherence in sedimentary filled valleys
Issue Date: Nov-2009
Series/Report no.: / (2009)
DOI: 10.1016/j.cageo.2009.08.006
Keywords: Coherence of seismic waves
Monte Carlo numerical simulations
Subject Classification04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis 
Abstract: Using 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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