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Lagoon
The Venetian Lagoon or the Venetian Lagoon is a lagoon in the northern Adriatic Sea along the coasts of the Veneto.
The surface of the lagoon is about 550 km ², of which 8% are occupied by land (Venice itself and the many smaller islands). About 11% is permanently made up of water, or dredged channels, while about 80% are flat tidal mud flats, salt marshes or artificial reclaimed.
The Venice lagoon and were evaluated by UNESCO world heritage site.
The lagoon of Venice has nearly 6000 years. In its place was a plain formed by sediments transported by rivers such as the Brenta and the Piave, after the melting of the ice after the last glaciation. In the centuries that followed there were, and continue to be, phenomena such as the lowering of the ground for the gradual consolidation of the alluvial deposits and for the rise in sea level.