A severe rainfall event occurred in southern Calabria between 29 October and 2 November 2015, causing two deaths and serious damage to transport infrastructure. Widespread slope erosion and thousands of shallow landslides were triggered on the slopes, combined with flooding and transport of debris along the streams. Rains recorded by the regional gauge network and the national radar monitoring system were analysed by means of Kriging techniques. Ground effects were surveyed in the field, and mapped using post-event air photos taken along the coastal sector. Shallow landslides, soil erosion (including sheet, rill, and gully erosion), flooding, lateral erosion, and debris deposition along streambeds, overflow on lateral slopes, and fan deposition at the mouths of the streams were mapped at 1:60,000 scale. Isohyets of the rainfall eventin terms of cumulative maxima over 24 hare also shown on the Main Map. In Annex A, a list of notices of processes and/or damage, arranged by municipalities, with coordinates, types of ground effect, and synthetic descriptions, is also provided.
Abstract. This paper analyses the erosive phenomena which affected the coast of Monasterace Marina, in the province of Reggio Calabria (Italy), where the Kaulon archaeological site is located on a dune and which extends along the coast for 1 10 km. The phenomena which began in the last 50 years have been reinforced in the new millennium. Recently, a storm that occurred in early December 2013 eroded much of the beach and caused destruction of parts of the dune, with sliding of some archaeological finds onto the beach below. Following this storm, the Provincial Administration of Reggio Calabria in January 2014 built a barrier. It was only a temporary intervention however. In fact, in early February 2014 another storm caused further damage to the beach and to the site. As a result of this, in 2015, the Calabria Basin Authority proposed a 15 design solution which is part of the Master Plan of solutions to mitigate the risk of coastal erosion in Calabria.In this paper, all the possible causes of erosion are investigated through the analysis of different types of data: bathymetric, cartographic, geological, geomorphological, sedimentological, climatic and wave climatic. This analysis is carried out for different historical periods over the last 50 years. Also analysed were extreme sea storms, coastal and river sediment transport, land cover and average rainfall, in order to understand the erosive phenomena. Finally, the huge amount of data 20 obtained in this study was used to analyse the project proposal for different solutions to the problem.
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