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Coastal vulnerability to wave storms of Sele littoral plain (southern Italy) |
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| Authors: | Gianluigi Di Paola Pietro Patrizio Ciro Aucelli Guido Benassai Germán Rodríguez |
| Institution: | 1. Dipartimento di Bioscienze e Territorio, Università degli Studi del Molise, Pesche, IS, Italy 2. Dipartimento di Scienze e Tecnologia, Università degli Studi “Parthenope”, Naples, Italy 3. Dipartimento d’Ingegneria, Università degli Studi “Parthenope”, Naples, Italy 4. Departamento de Física, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain |
| Abstract: | This paper presents a new method for coastal vulnerability assessment (CVA), which relies upon three indicators: run-up distance (as a measurement of coastal inundation), beach retreat (as a measurement of potential erosion), and beach erosion rate (obtained through the shoreline positions in different periods). The coastal vulnerability analysis of Sele Coastal Plain to storm impacts is examined along a number of beach profiles realized between 2008 and 2009. This particular study area has been selected due to its low-lying topography and high erosion propensity. Results are given in terms of an impact index, performed by combining the response due to coastal inundation, storm erosion, and beach erosion rate. This analysis is implemented on the basis of morphosedimentary characteristics of the beach, wave climate evaluation, and examination of multitemporal aerial photographs and topographic maps. The analysis of the final results evidences different coastal responses as a function of the beach width and slope, which in turn depend on the local anthropization level. The comparison of this method with a Coastal Vulnerability Index method evidences the better attitude of CVA index to take into account the different beach features to explain the experienced damages in specific stretches of the coastline considered. |
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