Joint Inversion of Surface Wave Tomography and Body Wave Tomography Applied to 2D Media

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Abstract

Surface Wave Tomography is used to obtain a shear wave velocity model by inverting computed dispersion curves. Body Wave Tomography is used to obtain a longitudinal wave model through travel time inversion of picked first break travel times. Individual inversions suffer from various different limitations. Joint surface and body wave tomography inversion aims to reduce the limitations and produce better subsurface velocity models than either individual inversion. We integrate these two methods by inverting dispersion curves and first breaks simultaneously in a 2D joint inversion scheme. We propose a joint inversion algorithm in which Poisson’s ratio provides the physical link between the shear and longitudinal wave velocities. The joint inversion results show encouraging improvements compared with individual inversion results.
Original languageEnglish
Title of host publication82nd EAGE Conference & Exhibition 2020
Subtitle of host publication8-11 June 2020, Amsterdam, The Netherlands
PublisherEAGE
Pages1-5
Number of pages5
DOIs
Publication statusPublished - 2020
Event82nd EAGE Annual Conference & Exhibition
- Amsterdam, Netherlands
Duration: 18 Oct 202121 Oct 2021
https://eage.eventsair.com/eageannual2021/

Conference

Conference82nd EAGE Annual Conference & Exhibition
Country/TerritoryNetherlands
CityAmsterdam
Period18/10/2121/10/21
Internet address

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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