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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/6993

Authors: Molinari, I.*
Morelli, A.*
Title: EPcrust : A reference crustal model for the European plate
Title of journal: Geophysical Journal International
Series/Report no.: 1/185(2011)
Publisher: Blackwell Publishing Ltd
Issue Date: Apr-2011
DOI: 10.1111/j.1365-246X.2011.04940.x
Keywords: Europe
crust
crustal properties
Moho
Abstract: We present a new crustal model for the European plate, derived from collection and critical integration of information selected from the literature. The model covers the whole European plate from North Africa to the North Pole (20N - 90N) and from the Mid-Atlantic Ridge to the Urals (40W - 70E). The chosen parameterization represents the crust in three layers (sediments, upper crust and lower crust), and describes the 3D geometry of the interfaces and seismologically-relevant parameters — isotropic P- and S-wave velocity, plus density — with a resolution of 0.5 × 0.5 degrees on a geographical latitude-longitude grid. We selected global and local models, derived from geological assumptions, active seismic experiments, surface-wave studies, noise correlation, receiver functions. Model EPcrust presents significant advantages with respect to previous models: it covers the whole European plate; it is a complete and internally-consistent model (with all the parameters provided, also for the sedimentary layer); it is reproducible; it is easy to update in the future by adding new contributions; and it is available in a convenient digital format. EPcrust could be used to account for crustal structure in seismic wave propagation modeling at continental scale or to compute linearized crustal corrections in continental-scale seismic tomography, gravity studies, dynamic topography and other applications that require a reliable crustal structure. Because of its resolution, our model is not suited for local-scale studies, such as the computation of earthquake scenarios, where more detailed knowledge of the structure is required. We plan to update the model as new data will become available, and possibly improve its resolution for selected areas in the future.
Appears in Collections:Papers Published / Papers in press
04.01.99. General or miscellaneous
04.01.01. Composition and state

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