The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
P wave tomography of the mantle under the Alpine‐Mediterranean area
Abstract
We study the upper mantle P wave velocity structure below the Euro‐Mediterranean area, down to 1000 km depth, by seismic travel time tomography. We invert summary residuals constructed with both regional and teleseismic first arrival data reported by the International Seismological Centre (ISC) (1964–1995), introducing some alternative strategies in the travel time tomographic approach and a new scheme to correct teleseismic data for global mantle structure. Our high‐resolution model PM0.5 is parameterized with three‐dimensional (3‐D) linear splines on a grid of nodes with 0.5° spacing in both horizontal directions and 50 km vertical spacing. We obtain about 26% root‐mean‐square (RMS) reduction of residuals by inversion in addition to roughly 31% reduction after summary rays formation and selection. Sensitivity analyses are performed through several test inversions to explore the resolution characteristics of the model at different spatial scales. The distribution of large‐scale fast anomalies suggests that two different stages of a convection process presently coexist in very close regions. The mantle dynamics of western central Europe is dominated by blockage of subducted slabs at the 660 km discontinuity and ponding of seismically fast material in the transition zone. Contrarily, in the eastern Mediterranean, fast velocity material sinks into the lower mantle, suggesting that the flow of the cold downwelling here is not blocked by the 660 km discontinuity. On a smaller scale, the existence of tears in the subducted slab (lithospheric detachment) all along both margins of the Adriatic plate, as proposed by some authors, is not supported by our tomographic images.
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Cites
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Cited by
Lateral slab deformation and the origin of the western Mediterranean arcs
Faccenna, C., Piromallo, C., Crespo‐Blanc, A., Jolivet, L., & Rossetti, F. (2004) · Tectonics · doi:10.1029/2002tc001488 · Cited by 983
Self-citationAegean tectonics: Strain localisation, slab tearing and trench retreat
Jolivet, L., Faccenna, C., Huet, B., Labrousse, L., Le Pourhiet, L., Lacombe, O., Lecomte, E., Burov, E., Denèle, Y., Brun, J.-P., et al. (2013) · Tectonophysics · doi:10.1016/j.tecto.2012.06.011 · Cited by 632
Self-citationMantle dynamics in the Mediterranean: MEDITERRANEAN DYNAMIC
Faccenna, C., Becker, T. W., Auer, L., Billi, A., Boschi, L., Brun, J. P., Capitanio, F. A., Funiciello, F., Horvàth, F., Jolivet, L., et al. (2014) · Reviews of Geophysics · doi:10.1002/2013rg000444 · Cited by 600
Self-citationCarminati, E., Lustrino, M., & Doglioni, C. (2012) · Tectonophysics · doi:10.1016/j.tecto.2012.01.026 · Cited by 489
Fukao, Y., Obayashi, M., Nakakuki, T., & the Deep Slab Project Group (2009) · Annual Review of Earth and Planetary Sciences · doi:10.1146/annurev.earth.36.031207.124224 · Cited by 386
Metadata
- Authors
- Piromallo, C., & Morelli, A.
- Venue
- Journal of Geophysical Research: Solid Earth
- Publisher
- American Geophysical Union (AGU)
- Published
- 2003-02
- Volume
- 108
- Issue
- B2
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W1996650279
- Cited by
- 782
- References
- 36
- FWCI
- 16.76
- Type
- journal article
- Language
- en
- Open access
- closed
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