2001
DOI: 10.1029/2001jb000326
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Multiparameter two‐dimensional inversion of scattered teleseismic body waves 2. Numerical examples

Abstract: Abstract. In this paper, we investigate the formal inversion of synthetic teleseismic P coda waves for subsurface elastic properties using a ray theoretic approach which assumes single scattering [Bostock et al., this issue]. We consider a model comprising an idealized lithospheric suture zone whose geometrical configuration is drawn from previous deep crustal seismic studies. Two-dimensional, pseudospectral synthetic seismograms representing plane waves propagating through this model are preprocessed to extra… Show more

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Cited by 46 publications
(46 citation statements)
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“…The Moho appears as a strong discontinuity that closely follows topographical variations observed on the RF profile (Plate 1e). It is important to note that whereas the RF image does not exploit free-surface multiples, the 2D GRT inversion relies primarily on these backscattered signals [see Shragge et al, 2001;Rondenay et al, 2001]. Consequently, there is a large degree of independence between the two images.…”
Section: Abi96 Field Datamentioning
confidence: 99%
“…The Moho appears as a strong discontinuity that closely follows topographical variations observed on the RF profile (Plate 1e). It is important to note that whereas the RF image does not exploit free-surface multiples, the 2D GRT inversion relies primarily on these backscattered signals [see Shragge et al, 2001;Rondenay et al, 2001]. Consequently, there is a large degree of independence between the two images.…”
Section: Abi96 Field Datamentioning
confidence: 99%
“…Overall, shot-profile migration of this synthetic data set generates results equal to, or better than, the results presented in Shragge et al (2001). However, the imaging improvements are more appropriately attributed to the more accurate migration velocity profile (i.e., true 2D vs. an approximate 1D model) than the differing imaging formalisms (i.e., wave-equation migration vs. migration and material property inversion through a GRT).…”
Section: Application To Synthetic Datamentioning
confidence: 71%
“…This section presents the results of applying the shot-profile migration algorithm to the synthetic data set described in Shragge et al (2001). The structural profile of the synthetic test model is shown in Figure 4, and consists of a low-velocity crust, a high-velocity mantle, and a remnant un- Shot-profile migration results for this synthetic data set are presented in Figure 5.…”
Section: Application To Synthetic Datamentioning
confidence: 99%
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“…Interestingly, the teleseismic community has recognized independently that the coda of transmission responses from distant sources contains reflection information which can be used to image the earth's crust ͑Bostock et al, 2001; Rondenay et al, 2001;Shragge et al, 2001Shragge et al, , 2006Mercier et al, 2006͒. The link between teleseismic coda imaging and seismic interferometry is exploited by Kumar and Bostock ͑2006͒, Nowack et al ͑2006͒, Chaput and Bostock ͑2007͒, and Tonegawa et al ͑2009͒.…”
Section: ͑14͒mentioning
confidence: 99%