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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 3 | Copyright
Nat. Hazards Earth Syst. Sci., 14, 557-567, 2014
https://doi.org/10.5194/nhess-14-557-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 12 Mar 2014

Research article | 12 Mar 2014

Assessment methodology for the prediction of landslide dam hazard

S. F. Dal Sasso1, A. Sole2, S. Pascale2, F. Sdao2, A. Bateman Pinzòn3, and V. Medina3 S. F. Dal Sasso et al.
  • 1Consortium of Italian Universities for Hydrology (CINID), Potenza, Italy
  • 2Engineering School, University of Basilicata, Potenza, Italy
  • 3Sediment Transport Research Group (GITS), Technical University of Catalonia (UPC), Barcelona, Spain

Abstract. This paper represents a contribution to the study of hazard caused by the interaction between landslides and river courses. The effects of such interferences are often catastrophic and could include the formation of upstream lakes, potential dam failure, river bed dynamics and morphological alterations. These scenarios could be substantially reduced if it was possible to predict the eventuality that a moving landslide would block the river. This is a complex topic because it involves composite geomorphic phenomena concerning both hillslope and river systems and their interpretation, through model approaches, is still under development and testing. In this study, a methodology developed in the framework of European Research Project IMPRINTS (FP7) was adopted and integrated in order to identify the areas of triggering and propagation of landslides and to characterize the possible scenarios of the interaction with river networks. Different deterministic and probabilistic approaches, calibrated using a case test in the middle valley of the Noce River in Basilicata (Italy), were applied and compared at basin scale.

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