Abstract:L and seismic data is contaminated commonly with coherent and high amplitude back-scattered noise generated from roughness in the surface topography; these events make generally the key information on deeper layers unclear. In Colombian foothill areas with rough topography and high lateral velocity variation, this noise has been difficult to attenuate. Conventional methods aimed at this purpose usually yield unsatisfactory results. We present a strategy based in prediction and subtraction of the unwanted waves… Show more
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