GUZZETTI, F; CARDINALI, M, 1991, DEBRIS-FLOW PHENOMENA IN THE CENTRAL APENNINES OF ITALY, TERRA nova (Print) 3 (1991): 619–627. doi_10.1111/j.1365-3121.1991.tb00204.x,
URL: http://www.cnr.it/prodotto/i/313743

The results of a research project on the extent of debris-flow processes in the Monti Sibillini area (Central Italy) are presented. Debris flows have greatly contributed in shaping the landscape of the Monti Sibillini territory. Based on the dominant active process they can be subdivided into three sections_ a source area, a transport area and a depositional area. Four environments can be identified as source areas_ landslide deposits, highly fractured rocks, scree or talus deposits, and glacial deposits. The evolution of some of the largest features present in the area is examined. These may have developed from an initial stage of mostly gully erosion and minor landsliding, through an intermediate stage characterized by extensive mass-movement, to a final stage dominated by fluvial processes. Lastly, generalizations on the debris-flow hazard in the study area are made.

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