Affiliation:
1. Center for Lithospheric Studies, The University of Texas at Dallas, P.O. Box 830688, Richardson, TX 75083-0688
Abstract
Numerical simulation of common‐source seismic responses of arbitrarily complicated three‐dimensional (3-D) variable‐velocity structures is implemented by pseudospectral solution of the scalar wave equation. Potential applicability of such simulation to data analysis and interpretation is demonstrated by comparing synthetic 3-D (x, y, t) common‐source gathers with those recorded on an areal grid of receivers over a physical scale model of a salt tongue. The iterative model adjustment process in fitting the physical model data is analogous to that which would be required for field data. Comparing differences between 2-D and 3-D synthetic responses allows interpretation of out‐of‐plane propagation. It is necessary to include the effects on the source directivity, because of a shield placed over the source during data acquisition, to numerically approximate the main features in the recorded scale model data.
Publisher
Society of Exploration Geophysicists
Subject
Geochemistry and Petrology,Geophysics
Cited by
16 articles.
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