Imaging near-surface heterogeneities by natural migration of surface waves

Zhaolun Liu, Abdullah AlTheyab, Sherif M. Hanafy, Gerard T. Schuster

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

We demonstrate that near-surface heterogeneities can be imaged by natural migration of backscattered surface waves in common shot gathers. No velocity model is required because the data are migrated onto surface points with the virtual Green's functions computed from the shot gathers. Migrating shot gathers recorded by 2D and 3D land surveys validates the effectiveness of detecting nearsurface heterogeneities by natural migration. The implication is that more accurate hazard maps can be created by migrating surface waves in land surveys.
Original languageEnglish (US)
Title of host publicationSEG Technical Program Expanded Abstracts 2016
PublisherSociety of Exploration Geophysicists
Pages4946-4950
Number of pages5
DOIs
StatePublished - Sep 2016

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