Direct Imaging of Group Velocity Dispersion Curves in Shallow Water
نویسنده
چکیده
Geometric dispersion is commonly observed in shallow water marine data due to post-critical multiples in the water layer over a hard seafloor. Characteristics of the guided waves include formation of distinct propagation modes and associated divergence of phase and group velocity. Methods have been available since 1981 to image phase velocity dispersion curves. Here we report a method to directly image the group velocity curves.
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