Venice floods: Warnings salt water could damage artifacts

The number of people killed in weather-related incidents in ...

Posted: Nov 2, 2018 7:07 AM
Updated: Nov 2, 2018 7:07 AM

The number of people killed in weather-related incidents in Italy has risen to 11, the country's Civil Protection agency said Wednesday, as officials in the flooded lagoon city of Venice warned that salt water may have caused significant damage to historic sites.

Much of Venice was engulfed with water on Monday after high tides and strong winds caused the worst flooding for years, transforming the vast expanse of St. Mark's Square into a lake and spilling across ancient marble floors in St. Mark's Basilica.

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"In a single day, the basilica aged 20 years, but perhaps this is an optimistic consideration," Carlo Alberto Tesserin, head of the board responsible for St. Mark's Basilica, said in a statement.

The floodwaters covered several dozen square meters of the 1,000-year-old marble pavement in front of the altar of the Madonna Nicopeia, a 12th-century icon, and submerged the Baptistery and the Zen Chapel, he said.

Mosaic flooring near the entrance to the basilica was under as much as 90 centimeters (35 inches) of water for 16 hours, which also soaked the monumental bronze doors, columns and marbles, Tesserin said.

"The church has a structure made of bricks which, drenched in salt water, deteriorate even to a height of several meters, endangering the mosaics that adorn the vaults," he said.

As the floodwaters rose Monday, reaching 156 centimeters (61 inches) above average sea level at their peak, as much as three-quarters of Venice was submerged. Raised walkways were laid out in front of the Doge's Palace and other parts of the city.

Tourists and residents trudged through the waist-high water, while stores and restaurants were inundated as barriers placed across doorways failed to hold back the rising tide. Shopkeepers used buckets to remove water from their premises.

Tuesday's high tides peaked at 110 centimeters, a level that would inundate at least 12% of the city. On Wednesday city authorities were expecting 90 centimeters maximum, with a peak of 110 centimeters forecast again on Thursday. Floods of at least 110 centimeters usually happen only about four times a year. The highest ever recorded was 194 centimeters in November 1966.

"Everything is under control, just as it was last Friday," a spokesman for the office of Venice Mayor Luigi Brugnaro told CNN on Wednesday.

"Thanks to the prevention measures we took, the city is OK, as OK as a city can be in these conditions. The governor of the region, Luca Zaia, has even said that these conditions are similar to what happened in 1966."

Flood barrier project incomplete

This week's flooding was caused by a seasonal high tide and a strong low-pressure system in southern Europe that brought strong winds from the south and pushed water up the Adriatic Sea into Venice. This is the peak time of the year for seasonal flooding known as acqua alta, or high water, in the city.

Flooding at high tide has become much more common in Venice because of climate change -- a problem that will continue to worsen as seas rise because of increasing temperatures and melting ice sheets, according to CNN meteorologists.

Work to install innovative underwater flood barriers to protect Venice from serious flooding, known as the Moses Project, has been underway for years. However, it has not yet been completed, thanks in part to corruption and spiraling costs.

A spokesman for the Civil Protection Agency in Venice told CNN that the Moses system could have mitigated the impact of salt water on the city's historic sites.

"Of course if the Moses project was completed the damages we are seeing now would not have happened," he said, "but the project was not completed because of the high cost."

The spokesman for the mayor's office called for the project to be completed. "The Moses project is important to the Venetians," he said. "This infrastructure must be completed to avoid extraordinary waters, like what happened on Monday."

A spokeswoman for the New Venice Consortium, which is responsible for the Moses system, told CNN: "The work on the Moses began in 2003. At the moment it is 92-93% concluded."

Venice also has a system in place to monitor tides and warn of high water levels.

Storm damage

Other parts of northern Italy have also been affected by high winds, heavy rainfall and violent storms this week.

The Liguria, Veneto, Trentino and Friuli-Venezia Giulia regions were the hardest hit, according to the Civil Protection Agency.

The popular resort town of Portofino, on the Ligurian coast, has been left isolated after the road linking it to the nearby town of Rapallo was destroyed, Jacopo Riccamboni of the Rapallo town press office told CNN.

A yacht belonging to the family of former Prime Minister Silvio Berlusconi moored in Rapallo was also damaged, he said. "We had a sort of tsunami, eight-meter waves. I have never seen such a thing here," he said.

"The yachts here were hitting the rocks near the port, making ships tip, spilling tables and the contents of the boat into the seafront."

Rescuers were also working Wednesday to evacuate more than 190 people stranded by heavy snowfall at the Stelvio Pass in South Tyrol, the Civil Protection Agency said.

An Albanian fisherman died in the Trentino-Alto Adige region after strong winds blew him into the water as he tried to secure his boat on Lake Levico, the agency said Wednesday.

Two young people died south of Rome when a tree hit their car, while another person was killed in the nearby town of Terracina as winds brought down scores of pine trees.

Among the other victims was a 21-year-old man who was hit by a falling tree while walking in Naples, and a woman who died after being struck by debris blown off a building in the northern region of Liguria.

A volunteer firefighter who was helping with the emergency response in San Martino in Badia in the country's north is also reported to have died.

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