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Type: Artigo de periódico
Title: A Quick Review Of 2d Topographic Traveltimes
Author: Garabito G.
Chira-Oliva P.A.
Tygel M.
Santos L.T.
Abstract: The Common-Reflection-Surface (CRS) stacking method was originally introduced as a data-driven method to simulate zero-offset sections from 2-D reflection pre-stack data acquired along a straight line, This approach is based on a second-order hiperbolic traveltime approximation parameterized with three kinematic wavefield attributes. In land data, topographic effects play an important role in seismic data processing and imaging. Thus, this feature has been recently considered by the CRS method. In this work we review the CRS traveltime approximations that consider the smooth and rugged topography. In addition, we also review the Multifocusing traveltime for a rugged topography, By means of a simple synthetic example, we finally provide first comparisons between the various traveltime expressions. © 2005 Sociedade Brasileira de Geofísica.
Rights: aberto
Identifier DOI: 
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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