This high-precision model was acquired as part of national environmental remote sensing plans. It focuses heavily on riverbeds (from I to IV order) and specific critical areas.
Use the S.I.T.R. Geoportal to search for "dtm" or "mdt". dtm sicilia download
A specialized 2-meter resolution DTM focused on coastal zones near Marine Protected Areas, used for monitoring environmental crimes. This high-precision model was acquired as part of