2007
DOI: 10.1007/s00024-007-0259-7
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Crust and Upper Mantle Structure in the Caribbean Region by Group Velocity Tomography and Regionalization

Abstract: An overview of the crust and upper mantle structure of the Central America and Caribbean region is presented as a result of the processing of more than 200 seismograms recorded by digital broadband stations from SSSN and GSN seismic networks. By FTAN analysis of the fundamental mode of the Rayleigh waves, group velocity dispersion curves are obtained in the period range from 10 s to 40 s; the error of these measurements varies from 0.06 and 0.10 km/s. From the dispersion curves, seven tomographic maps at diffe… Show more

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Cited by 9 publications
(5 citation statements)
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“…The final model for each station is chosen according to the following two criteria: (i) it is the solution with the best percentage of fit for the RFs (see Table 3 and an example of RF fit in Fig. 5), and (ii) it corresponds to a dispersion curve whose difference with the experimental data at each period is within their corresponding experimental errors and the standard error with respect to observed group velocities (Table 3) is less than 0.045 km s -1 , that is equal to the value of rms used by Gonzalez et al (2007).…”
Section: J O I N T I N V E R S I O N P Ro C E D U R Ementioning
confidence: 90%
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“…The final model for each station is chosen according to the following two criteria: (i) it is the solution with the best percentage of fit for the RFs (see Table 3 and an example of RF fit in Fig. 5), and (ii) it corresponds to a dispersion curve whose difference with the experimental data at each period is within their corresponding experimental errors and the standard error with respect to observed group velocities (Table 3) is less than 0.045 km s -1 , that is equal to the value of rms used by Gonzalez et al (2007).…”
Section: J O I N T I N V E R S I O N P Ro C E D U R Ementioning
confidence: 90%
“…Van Der Hilst 1990;Montagner & Kennett 1996) and, more recently, by using the surface wave dispersion analysis (e.g. Vdovin et al 1999;Gonzalez et al 2007Gonzalez et al , 2011. Moreno 2003) and USGS used in this study.…”
Section: Introductionmentioning
confidence: 99%
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“…The tomography method of Yanovskaya and Ditmar [1990]was used to estimate 2D group velocity maps from the observed source‐receiver dispersion measurements on a 0.5 by 0.5 degree grid. This method is a generalization to 2D of the 1D inversion approach of Backus and Gilbert [1968] and has been applied in several papers [e.g., Ritzwoller and Levshin , 1998; González et al , 2007]. The density of paths, the azimuthal coverage, and the average path length control the resolution of the data set.…”
Section: Methodsmentioning
confidence: 99%
“…The inversion procedure does not lead to unique solution due to an intrinsic depth-velocity tradeoff associated with the relative nature of receiver functions (Ammon et al 1990). The representative solution was chosen among all models based on the following criteria: (a) the solution has the best percentage of fit for the receiver functions and (b) the solution corresponds to a dispersion curve whose difference with the experimental data at each period is within their corresponding experimental errors and the standard error with respect to observed group velocities (González et al 2007).…”
Section: The Joint Inversionmentioning
confidence: 99%