The hill of Civita di Bagnoregio (Latium Region, Central Italy) represents a significant example of a mesa landscape. The main factors that produced this landscape include rigid volcanic deposits resting on plastic clay, and a geomorphological evolution, deepening the valley established on clayey formation, leaving mesas and buttes comprised by the volcanic formations. A review of available geological and geomorphological information integrated with field data allowed to produce an updated model of the area. The collection of information about the rate of soil/cliff recession, demonstrating an average erosion up to 6,28 cm/year in the badlands area, a reduction of surface plateau of about 25% since beginning of XVIII c., a vertical erosion of the access ridge of about 40 m since middle-XVIII c., about 150 major landslides in the last 7 centuries. The present research may support the geological conservation of the site, improving the understanding of evolutionary processes, as well as the structural controls on rocky cliff by geomatic techniques.










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