The saltwater contamination in the Venice watershed between the southern edge of the Venice Lagoon and the Adige River, Italy

The salt water contamination process in the Venice watershed between the southern edge of the lagoon of Venice and the Adige River extends up to 20 km inland from the coast. The depth of the fresh/salt-water interface varied from 2 to 30 m below the ground level and exhibits a significant, mainly seasonal, time variation and its dynamics is especially sensitive to the riverbed seepage of sea water, encroaching from river mouths.