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Authors: Molinari, I.*
Raileanu, V.*
Morelli, A.*
Title: A Crustal Model for the Eastern Alps Region and a New Moho Map in Southeastern Europe
Title of journal: Pure and Applied Geophysics
Series/Report no.: /169 (2012)
Publisher: Springer Verlag
Issue Date: 2012
DOI: 10.1007/s00024-011-0431-y
Keywords: Crustal model
Moho depth
Eastern Alps
Abstract: In the last two decades, south-central Europe and the Eastern Alps have been widely explored by many seismic refrac- tion experiments (e.g., CELEBRATION 2000, ALP 2002, SUDETES 2003). Although quite detailed images are available along linear profiles, a comprehensive, three-dimensional crustal model of the region is still missing. This limitation makes this region a weak spot in continental-wide comprehensive represen- tations of crustal structure. To improve on this situation, we select and collect 37 published active-source seismic lines in this region. After geo-referencing each line, we sample them along vertical profiles—every 50 km or less along the line—and derive P-wave velocities in a stack of homogeneous layers (separated by discon- tinuities: depth of crystalline basement, top of lower crust, and Moho). We finally merge the information using geostatistical methods, and infer S-wave velocity and density using empirical scaling relations. We present here the resulting crustal model for a region encompassing the Eastern Alps, Dinarides, Pannonian basin, Western Carpathians and Bohemian Massif, covering the region within 45º-51ºN and 11º-22ºE with a resolution of 0.2ºx0.2º. We are also able to extend and update the map of Moho depth in a wider region within 35^-51^N and 12^-45^E; gathering Moho values from the collected seismic lines, other published dataset and using the European plate reference EPcrust as a background. All the digitized profiles and the resulting model are available online.
Appears in Collections:04.06.07. Tomography and anisotropy
Papers Published / Papers in press

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