The analyses developed in this paper allow us to correctly evaluate, from several points of view, the consequences of possible proposed solutions, and thence to make choices based on accurate documentation and reliable analysis of the physical, environmental, social and economic aspects, all of which are closely interrelated. The Plan has recently been developed by the regional administration to define in an objective manner a scale of priorities for the planning and intervention of the medium and long-term re-equilibrium of the coastline. This paper describes the scientific aspects analysed in the preparatory phase of a Master Plan of interventions to mitigate the risk of coastal erosion in Calabria. Finally, the huge amount of data obtained in this study was used to analyse the project proposal for different solutions to the problem. Also analysed were extreme sea storms, coastal and river sediment transport, land cover and average rainfall, in order to understand the erosive phenomena. This analysis is carried out for different historical periods over the last 50 years. 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. As a result of this, in 2015, the Calabria Basin Authority proposed a design solution which is part of the Master Plan of solutions to mitigate the risk of coastal erosion in Calabria. In fact, in early February 2014 another storm caused further damage to the beach and to the site. It was only a temporary intervention however. Following this storm, the Provincial Administration of Reggio Calabria in January 2014 built a barrier. 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. The phenomena which began in the last 50 years have been reinforced in the new millennium. 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 km.
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