""The Iberian Chain is an intraplate range located in the central-eastern Iberian Peninsula, showing a dome-shaped topography characterized by low relief landscape located at a mean elevation of 1200 m a.s.l.. The mountain range results from the tectonic inversion of a Permian-Mesozoic basin related to the Alpine compression (Late Cretaceous to Middle Miocene). During the Upper Neogene, compressive structures experienced planation processes presently recorded by wide erosion surfaces. Since about 2.5 Myr (?), a regional tectonic uplift occurred guiding the organization of the present fluvial network.. We performed numerical experiments to simulate the evolution of a landscape characterized by the same tectonic and erosion inputs of the Iberian Chain area. We tested the models using a range of physical parameters calibrated on field, radiometric, and morphometric data. For our purposes, we used SIGNUM (Simple Integrated Geomorphological Numerical Model), a Matlab TIN-based landscape evolution model able to simulate tectonic uplift, hillslope diffusion and river incision.. The comparison between real and simulated landscapes provide us a quantitative view on the origin of present topographic features of the Iberian Chain.. ""
Giachetta, E., Scotti, V.N., Faccenna, C., Molin, P. (2012). Investigating the Plio-Quaternary landscape evolution of the Iberian Chain: a numerical approach. In IL MEDITERRANEO UN ARCHIVIO GEOLOGICO TRA PASSATO E PRESENTE (pp.1116). Napoli : Domenico Calcaterra.
Investigating the Plio-Quaternary landscape evolution of the Iberian Chain: a numerical approach
GIACHETTA, EMANUELE;Scotti V. N.;MOLIN, Paola
2012-01-01
Abstract
""The Iberian Chain is an intraplate range located in the central-eastern Iberian Peninsula, showing a dome-shaped topography characterized by low relief landscape located at a mean elevation of 1200 m a.s.l.. The mountain range results from the tectonic inversion of a Permian-Mesozoic basin related to the Alpine compression (Late Cretaceous to Middle Miocene). During the Upper Neogene, compressive structures experienced planation processes presently recorded by wide erosion surfaces. Since about 2.5 Myr (?), a regional tectonic uplift occurred guiding the organization of the present fluvial network.. We performed numerical experiments to simulate the evolution of a landscape characterized by the same tectonic and erosion inputs of the Iberian Chain area. We tested the models using a range of physical parameters calibrated on field, radiometric, and morphometric data. For our purposes, we used SIGNUM (Simple Integrated Geomorphological Numerical Model), a Matlab TIN-based landscape evolution model able to simulate tectonic uplift, hillslope diffusion and river incision.. The comparison between real and simulated landscapes provide us a quantitative view on the origin of present topographic features of the Iberian Chain.. ""I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
