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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Debris Flow Risk Assessment in the Aguas Calientes Village (Cusco, Perù)
verfasst von : Claudio Puglisi, Luca Falconi, Azzurra Lentini, Gabriele Leoni, Carlos Ramirez Prada
Erschienen in: Landslide Science and Practice
Verlag: Springer Berlin Heidelberg
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Abstract
In this paper a landslide risk assessment in the area of Aguas Calientes village (Machu Picchu, Cusco, Perù) is applied. A study carried out into a capacity building project (FORGEO) was focused on localising source areas and runout of debris flows triggered by heavy rainfall in the Alcamayo catchment and on assessing debris flow intensity. Starting from an inventory of several previous debris flows occurred in the area, an evaluation of the local predisposing parameters to these events was used as input for susceptibility and hazard GIS based analysis. Empirical formulas reported in the literature were adapted to the research area context to estimate the runout of potential events. An analysis of exposure of structures and infrastructures was also performed during the project and high residual risk conditions were found for the Aguas Calientes village. These results may aid local authorities involved in land use planning, management policies and landslide risk reduction.