A report on Adriatic SeaAcqua alta and Venice

A satellite image of the Adriatic Sea, highlighting the long and narrow rectangular shape which is the source of an oscillating water motion (called seiche) along the minor axis. The oscillation, which has a period of 21 hours and 30 minutes and an amplitude around 0.5 meters at the axis' extremities, supplements the natural tidal cycle, so that the Adriatic sea experiences much more extreme tidal events than the rest of the Mediterranean.
Bay of Kotor, a ria in the Southern Adriatic
Acqua alta in Venice, fondamenta di Borgo, December 2019
Gjipe Canyon in southern Albania, where the Adriatic Sea meets the Ionian Sea
Fondamenta del Squero flooded in December 2019
Grand Canal from Rialto to Ca'Foscari
Depth of the Adriatic Sea
Tide Monitoring and Forecast Center.
Venice in autumn, with the Rialto Bridge in the background
Schematic layout of Adriatic Sea currents
Tourists on the gangways queueing to enter the San Marco Basilica.
Venice view from the Bridge Priuli a Santa Sofia, to the Bridge de le Vele
A submarine spring near Omiš, observed through sea surface rippling
Monument to sea and land soldiers, sculpted by Augusto Benvenuti, to commemorate the help given by the army during the catastrophic 1882 flood (Biennale gardens)
Gondola Punta and Basilica Salute
As seen from the map, most of the landmass surrounding the Adriatic sea is classified as Cfa, with the southern region (near the Ionian sea) being Csa.
St Mark's Basilica houses the relics of St Mark the Evangelist
MOSE Project north of Lido di Venezia
The Doge's Palace, the former residence of the Doge of Venice
Adriatic Microplate boundaries
The Republic of Venice and its colonial empire Stato da Màr.
Sediment billowing out from Italy's shore into the Adriatic
Piazza San Marco in Venice, with St. Mark's Campanile.
Pebble beach at Brač island, in the Adriatic Sea within Croatia
View of San Giorgio Maggiore Island from St. Mark's Campanile.
Coast of Conero in Italy
Monument to Bartolomeo Colleoni (1400-1475), captain-general of the Republic of Venice from 1455 to 1475.
Isole Tremiti protected area
The Fra Mauro Map of the world. The map was made around 1450 and depicts Asia, Africa and Europe.
Kornati National Park
View of San Marco basin in 1697.
Karavasta Lagoon in Albania
Venice viewed from the International Space Station
Pula Arena, one of the six largest surviving Roman amphitheatres
Venice and surroundings in false colour, from Terra. The picture is oriented with North at the top.
Mosaic of Emperor Justinian and his court, from the Basilica of San Vitale in Ravenna, Italy
Piazza San Marco under water in 2007
The Republic of Venice was a leading maritime power in Europe
Acqua alta ("high water") in Venice, 2008
Battle of Lissa, 1811
Like Murano, Burano is also a tourist destination, usually reached via vaporetto
Battle of Lissa, 1866
The beach of Lido di Venezia
The last moments of SMS Szent István, hit and sank by the Italian MAS
Bridge of Sighs, one of the most visited sites in the city
The Duce Benito Mussolini in a beach of Riccione, in 1932
Venetian Arsenal houses the Naval Historical Museum
The town of Izola in the Gulf of Koper, southwestern Slovenia
Piazzetta San Marco with Doge's Palace on the left and the columns of the Lion of Venice and St. Theodore in the center.
A Trabucco, old fishing machine typical of Abruzzo region in Italy
Gondolas share the waterway with other types of craft (including the vaporetti)
Fishing boat in Croatia
Cleaning of canals in the late 1990s.
Port of Trieste, the largest port in the Adriatic
Gondoliers on the Grand Canal
Rimini is a major seaside tourist resort in Italy
Venice Guggenheim Museum.
The Barcolana regatta in Trieste, Italy, was named "the greatest sailing race" by the Guinness World Record for its 2,689 boats and over 16,000 sailors on the starting line.<ref>{{cite web |url=https://www.sail-world.com/news/218597/Barcolana-the-largest-regatta-in-the-world |title=Barcolana, the largest regatta in the world is presented in London |website=Sail World}}</ref>
Cruise ships access the port of Venice through the Giudecca Canal.
View of Ulcinj, Montenegro
Cruise ship and gondolas in the Bacino San Marco
The Zlatni Rat (Golden Cape) on the island of Brač
Aerial view of Venice including the Ponte della Libertà bridge to the mainland.
The Palace of the Emperor Diocletian in Split
Giudecca Canal. View from St Mark's Campanile.
The coast of Neum, the only town to be situated along Bosnia and Herzegovina's {{convert|20|km|0|abbr=on}} of coastline
Sandolo in a picture of Paolo Monti of 1965. Fondo Paolo Monti, BEIC.
Portorož is the largest seaside tourist centre in Slovenia
P & O steamer, circa 1870.
Port of Durrës, the largest port in Albania
Rialto Bridge
Port of Rijeka, the largest cargo port in Croatia
Vaporetti on the Grand Canal
Port of Koper, the largest port in Slovenia
The Venice Santa Lucia station
Port of Trieste, the largest cargo port in the Adriatic
Cruise ships at the passenger terminal in the Port of Venice (Venezia Terminal Passeggeri)
Port of Bar, the largest seaport in Montenegro
Marco Polo International Airport (Aeroporto di Venezia Marco Polo)
Port of Ancona, a large passenger port
Ca' Foscari University of Venice
The Travels of Marco Polo.
The Santa Maria della Salute
An 18th-century view of Venice by Venetian artist Canaletto.
The Palazzo Cavalli-Franchetti is an example of Venetian Gothic architecture alongside the Grand Canal.
The Ca' d'Oro.
Palazzo Dandolo.
The Baroque Ca' Rezzonico.
Murano glass chandelier Ca' Rezzonico
A Venetian glass goblet
La Fenice operahouse in the city.
The Venice Film Festival is the oldest film festival in the world and one of the most prestigious and publicized.
Francesco Guardi's Regatta in Venice, Guardi was a member of the Venetian School.
The Morning Chocolate, by Pietro Longhi. Hot chocolate was a fashionable drink in Venice during the 1770s and 1780s.
Luxury shops and boutiques along the Rialto Bridge.
The Doge Andrea Gritti, reigned 1523–1538, portrait by Titian.
Carlo Goldoni, the most notable name in Italian theatre.
The explorer Sebastian Cabot.
thumb|The Grand Canal in Venice from Palazzo Flangini to Campo San Marcuola, Canaletto, circa 1738, J. Paul Getty Museum.
thumb|Francesco Guardi, The Grand Canal, circa 1760 (Art Institute of Chicago)
thumb|Morning Impression along a Canal in Venice, Veneto, Italy by Rafail Levitsky (1896)
thumb|View from the Bridge of Sighs (2017)
The whole comune (red) in the Metropolitan City of Venice
Ca' Loredan is Venice's City Hall
Palazzo Corner is the seat of the Metropolitan City of Venice
Palazzo Ferro Fini is the seat of the Regional Council of Veneto
People Mover in Venice
A map of the waterbus routes in Venezia
Bus in Mestre
Tram in Venice leaving Piazzale Roma
Iconic Della Salute by UK based Artist Raouf Oderuth

Acqua alta is the term used in Veneto, Italy for the exceptional tide peaks that occur periodically in the northern Adriatic Sea.

- Acqua alta

The peaks reach their maximum in the Venetian Lagoon, where they cause partial flooding of Venice and Chioggia; flooding also occurs elsewhere around the northern Adriatic, for instance at Grado and Trieste, but much less often and to a lesser degree.

- Acqua alta

Tidal movements in the Adriatic are slight, although larger amplitudes are known to occur occasionally.

- Adriatic Sea

Venice has been known as "La Dominante", "La Serenissima", "Queen of the Adriatic", "City of Water", "City of Masks", "City of Bridges", "The Floating City", and "City of Canals".

- Venice

The Adriatic's shores are populated by more than 3.5 million people; the largest cities are Bari, Venice, Trieste and Split.

- Adriatic Sea

Subsidence, the gradual lowering of the surface of Venice, has contributed—along with other factors—to the seasonal Acqua alta ("high water") when much of the city's surface is occasionally covered at high tide.

- Venice

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A 2012 aerial photograph of the Lido inlet and the worksites where MOSE was constructed


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A 2012 aerial photograph of the Lido inlet and the worksites where MOSE was constructed
Acqua alta floods in Piazza San Marco. This ever more frequent event causes considerable damage and has driven the authorities to pursue projects such as MOSE
Map of the Venetian Lagoon
Working principle of the gates
Lido inlet. In the foreground, the sea-side basin of the small craft harbour, flooded with water again after launch and positioning of the gate housing structures for the Lido Treporti row; at the centre, the new island which will serve as an intermediate structure between the two rows of gates to be installed in this inlet
Malamocco inlet with work underway
The Chioggia inlet, with the new breakwater in the foreground
Gate cross-section 1. gate 2. hinge 3. gate base 4. plant and access tunnels 5. land compaction piles
The area of the Arsenal where maintenance of Mose and management of the lagoon system will be located.

MOSE (Modulo Sperimentale Elettromeccanico, Experimental Electromechanical Module) is a project intended to protect the city of Venice, Italy, and the Venetian Lagoon from flooding.

The project is an integrated system consisting of rows of mobile gates installed at the Lido, Malamocco, and Chioggia inlets that are able to isolate the Venetian Lagoon temporarily from the Adriatic Sea during acqua alta high tides.