Abstract
EuCRUST-07: A new reference model for the European crust
Netherlands Research Centre for Integrated Solid Earth Science, Faculty of Earth and Life Sciences, Vrije Universiteit, Amsterdam, Netherlands
GeoForschungsZentrum Potsdam, Potsdam, Germany
GeoForschungsZentrum Potsdam, Potsdam, Germany
Institute for Physics of the Earth, Moscow, Russia
Netherlands Research Centre for Integrated Solid Earth Science, Faculty of Earth and Life Sciences, Vrije Universiteit, Amsterdam, Netherlands
We present a new digital model (EuCRUST-07) for the crust of Western and Central Europe and surroundings (35°N–71°N, 25°W–35°E). Available results of seismic reflection, refraction and receiver functions studies are assembled in an integrated model at a uniform grid (15′ × 15′). The model consists of three layers: sediments and two layers of the crystalline crust. Besides depth to the boundaries, we provide average P-wave velocities in the upper and lower parts of the crystalline crust. The new model demonstrates large differences in the Moho depth compared to previous compilations, over ±10 km in some specific areas (e.g. the Baltic Shield). Furthermore, the velocity structure of the crust is much more heterogeneous than in previous maps. EuCRUST-07 offers a starting point for numerical modeling of deeper structures by allowing correction for crustal effects beforehand and to resolve trade-off with mantle heterogeneities.
Received 8 October 2007; accepted 12 December 2007; published 14 March 2008.
Citation: (2008), EuCRUST-07: A new reference model for the European crust, Geophys. Res. Lett., 35, L05313, doi:10.1029/2007GL032244.
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