A three-dimensional lithospheric-scale thermal model of Germany

Anikiev, Denis; Lechel, Adrian; Gomez Dacal, Maria Laura; Bott, Judith; Cacace, Mauro; Scheck-Wenderoth, Magdalena

We present a 3-D lithospheric-scale model covering the area of Germany that images the regional characteristics of the structural configuration and of the thermal field. The structural model resolves major sedimentary, crustal and lithospheric mantle units integrated from previous studies of the Central European Basin System, the Upper Rhine Graben and the Molasse Basin, together with published geological and geophysical data. A combined workflow consisting of 3-D structural, gravity and thermal modelling is applied to derive the 3-D thermal configuration. The modelled temperature distribution is highly variable in response to an imposed heterogeneous distribution of thermal properties assigned to the different units. First order variations in the temperature field are mainly attributed to the thermal blanketing effect from the sedimentary cover, the variability in the amount of radiogenic heat produced within the different crystalline crust compartments and the implemented topology of the thermal Lithosphere-Asthenosphere Boundary.

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Anikiev, Denis / Lechel, Adrian / Gomez Dacal, Maria Laura / et al: A three-dimensional lithospheric-scale thermal model of Germany. 2019. Copernicus Publications.

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