• Ind. UNEP MAP - EcAp 7.2.4: "Extent of area affected by coastal erosion due to sediment supply alterations"
• Ind. UNEP MAP - EcAp 8.1.1:  "Areal extent of coastal erosion and coastline instability"
• Ind. Principale Qual.Amb. 4 SUSTAIN - Allegato 3:"Erosione costiera"

cfr. paper Valpreda et al., 2004:
www.agile-online.org/.../7-3-2_Valpreda.pdf