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Reconstruction of subsurface structure from ambient seismic noise: an example from Ketzin, Germany
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics.
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2012 (English)In: Geophysical Journal International, ISSN 0956-540X, E-ISSN 1365-246X, Vol. 189, no 2, 1085-1102 p.Article in journal (Refereed) Published
Abstract [en]

Passive seismic interferometry is a new promising methodology for seismic exploration. Interferometry allows information about the subsurface structure to be extracted from ambient seismic noise. In this study, we apply the cross-correlation technique to approximately 25 hr of recordings of ambient seismic noise at the Ketzin experimental CO2 storage site, Germany. Common source gathers were generated from the ambient noise for all available receivers along two seismic lines by cross-correlation of noise records. This methodology isolates the interstation Green's functions that can be directly compared to active source gathers. We show that the retrieved response includes surface waves, refracted waves and reflected waves. We use the dispersive behaviour of the retrieved surface waves to infer geological properties in the shallow subsurface and perform passive seismic imaging of the subsurface structure by processing the retrieved reflected waves.

Place, publisher, year, edition, pages
2012. Vol. 189, no 2, 1085-1102 p.
Keyword [en]
Image processing, Inverse theory, Interferometry, Wave propagation
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:uu:diva-173975DOI: 10.1111/j.1365-246X.2012.05411.xISI: 000302623600028OAI: oai:DiVA.org:uu-173975DiVA: diva2:526637
Available from: 2012-05-14 Created: 2012-05-09 Last updated: 2017-12-07Bibliographically approved

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Xu, ZhuoJuhlin, ChristopherGudmundsson, ÓlafurZhang, FengjiaoYang, Can

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