High tide events are always more frequent in Saint Mark’s Square as a result of subsidence and sea-level rising. Which natural elements influence the tides in Venice and the lagoon? How do you calculate high tide? How does the square flood?

High tide events are always more frequent in Saint Mark’s Square as a result of subsidence and sea-level rising. Which natural elements influence the tides in Venice and the lagoon? How do you calculate high tide? How does the square flood?

Venice, Saint Mark’s Square, 1545, December 18th: it was on that night that the vault under construction for the new majestic Library collapsed. It was a blow to the architect Jacopo Sansovino and to his bold ambition to introduce in Venice the architectural magnificence of ancient Rome.