Mapping of the risk of coastal erosion for two case studies: Pianosa island (Tuscany) and Piscinas (Sardinia) Bresciani, M.; De Carolis, G.; De Santi, F.; Fornaro, G.; Ghirardi, N.; Giardino, C.; Luciani, G.; Zamparelli, V. BOOK CHAPTER Part of the book: Eighth International Symposium “Monitoring of Mediterranean Coastal Areas. Problems and Measurement Techniques”