Saint Petersburg Dam

damSaint Petersburg Flood Prevention Facility ComplexSt Petersburg Dam
The Saint Petersburg Flood Prevention Facility Complex, unofficially the Saint Petersburg Dam, is a 25 km complex of dams for flood control near Saint Petersburg, Russia.wikipedia
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Saint Petersburg

St. PetersburgLeningradSt Petersburg
The Saint Petersburg Flood Prevention Facility Complex, unofficially the Saint Petersburg Dam, is a 25 km complex of dams for flood control near Saint Petersburg, Russia.
To prevent floods, the Saint Petersburg Dam has been constructed.

Floods in Saint Petersburg

over 300 floods in the city1824 Saint Petersburg flooda severe flood
Historically, the storm surges from the gulf had caused over 300 floods in the city, several of which had a massive devastating effect.
The construction of Saint Petersburg Dam, started in 1978 and completed in 2011, is expected to protect the city from devastating floods.

Flood control

flood protectionflood preventionflood defence
The Saint Petersburg Flood Prevention Facility Complex, unofficially the Saint Petersburg Dam, is a 25 km complex of dams for flood control near Saint Petersburg, Russia.
The Saint Petersburg Flood Prevention Facility Complex was completed in 2008, in Russia, to protect Saint Petersburg from storm surges.

Saint Petersburg Ring Road

A-118A118 beltwayRing Road
The dam tunnel is also the last completed part of the Saint Petersburg Ring Road.
The western segment of the road was planned to be constructed as a causeway forming part of a proposed flood-protection dam in the Gulf of Finland.

Kotlin Island

KotlinIsland Kotlin
The dam extends from Lomonosov northward to Kotlin Island (and the city of Kronstadt), then turns east toward Cape Lisiy Nos near Sestroretsk.
The naval approach to Saint Petersburg was greatly facilitated by the construction in 1875–85 of a canal, 7 m deep, through the shallows, whereas cars can travel overland to the island by using the Saint Petersburg Dam from the north and south shores of the Gulf of Finland.

Neva Bay

Kronstadt BayNevskaya guba
The complex is intended to protect Saint Petersburg from storm surges by separating the Neva Bay from the rest of the Gulf of Finland.
The entire bay has been separated from the Gulf of Finland by the 25 km long Saint Petersburg Dam.

Gulf of Finland

Finnish GulfBay of FinlandGulf
The complex is intended to protect Saint Petersburg from storm surges by separating the Neva Bay from the rest of the Gulf of Finland. Flow from Lake Ladoga is significant and the Neva's current is rapid, but flooding is generally caused by water backing up the Neva from its outlet, the Gulf of Finland.
In 1978, construction was started on the Saint Petersburg Dam aiming to protect Saint Petersburg from the frequent floods.

Lisy Nos

Lisiy Nos
The dam extends from Lomonosov northward to Kotlin Island (and the city of Kronstadt), then turns east toward Cape Lisiy Nos near Sestroretsk.
The Saint Petersburg Dam runs south from Lisy Nos toward Kotlin Island.

Storm surge

storm tidetidal surgestorm surges
The complex is intended to protect Saint Petersburg from storm surges by separating the Neva Bay from the rest of the Gulf of Finland.
Major storm surge barriers are the Oosterscheldekering and Maeslantkering in the Netherlands, which are part of the Delta Works project; the Thames Barrier protecting London; and the Saint Petersburg Dam in Russia.

Kronstadt

KronshtadtCronstadtKronstadt Fortress
The dam extends from Lomonosov northward to Kotlin Island (and the city of Kronstadt), then turns east toward Cape Lisiy Nos near Sestroretsk.
It is linked to the former Russian capital by a combination levee-causeway-seagate, the St Petersburg Dam, part of the city's flood defences, which also acts as road access to Kotlin island from the mainland.

Geography of Saint Petersburg

Climate of Saint Petersburg
* Geography of Saint Petersburg
The Saint Petersburg Dam, built to prevent floods, was completed in August 2011 after a lengthy period of construction beginning in 1979.

Seiche

seichesseiche waveUnderwater wave
As the cyclone continues inland, long low-frequency seiche waves are established in the Baltic.
Engineers consider seiche phenomena in the design of flood protection works (e.g., Saint Petersburg Dam), reservoirs and dams (e.g., Grand Coulee Dam), potable water storage basins, harbours and even spent nuclear fuel storage basins.

Lomonosov, Russia

LomonosovOranienbaum Oranienbaum
The dam extends from Lomonosov northward to Kotlin Island (and the city of Kronstadt), then turns east toward Cape Lisiy Nos near Sestroretsk.

Sestroretsk

cities of SestroretskSestroretsk / СестрорецкSestroretsky District
The dam extends from Lomonosov northward to Kotlin Island (and the city of Kronstadt), then turns east toward Cape Lisiy Nos near Sestroretsk.

Metres above sea level

above sea levelAMSLabove mean sea level
The dam has the capability to protect the city from water rising up to 5 m. Its first use to hold back the incoming Baltic water into Neva bay took place 28 November 2011 and had resulted in decrease of water rise to 1.3 masl, that is below flood level equal to 1.6 masl according to Baltic system of coordinates, which prevented the 309th flood in the history of the city and saved some 1.3 billion roubles of possible damages.

Vladimir Putin

PutinPresident PutinPresident Vladimir Putin
After a protracted halt in the 1990s and early 2000s, construction was resumed in 2005 due to the intervention of Russia's President Vladimir Putin, a native of Saint Petersburg.

Natural disaster

natural disastersnaturaldisaster
Saint Petersburg suffers from frequent floods (more than 340 in recorded history), some being natural disasters.

Estuary

estuariesestuarinetidal estuary
It is situated on drained marshlands, isles and lowlands in the estuary of the Neva River, where flooding is common.

Neva River

NevaRiver NevaMalaya Neva
It is situated on drained marshlands, isles and lowlands in the estuary of the Neva River, where flooding is common.

Lake Ladoga

LadogaLadoga LakeLaatokka
Flow from Lake Ladoga is significant and the Neva's current is rapid, but flooding is generally caused by water backing up the Neva from its outlet, the Gulf of Finland.

Hydrometeorology

hydrometeorologicalhydrometeorologisthydro-meteorological
In the early literature, high winds from the Gulf of Finland were often cited as the cause of Neva flooding, but scientists now understand the more complex hydrometeorological chain of events behind it.

Cyclone

cyclonescycloniccyclonic storm
A low-pressure region in the North Atlantic moves onshore, giving rise to cyclonic lows on the Baltic Sea.

Baltic Sea

BalticBaltic coastthe Baltic
A low-pressure region in the North Atlantic moves onshore, giving rise to cyclonic lows on the Baltic Sea.

Alexander Griboyedov

Aleksander GriboyedovAleksandr GriboyedovGriboyedov
The playwright Alexander Griboyedov wrote, "The embankments of the various canals had disappeared and all the canals had united into one. Hundred-year-old trees in the Summer Garden were ripped from the ground and lying in rows, roots upward." When the waters receded 569 people were dead, with thousands more injured or made ill – more than 300 buildings had been washed away.

Summer Garden

Letniy SadSt. Petersburg Summer GardenSummer
The playwright Alexander Griboyedov wrote, "The embankments of the various canals had disappeared and all the canals had united into one. Hundred-year-old trees in the Summer Garden were ripped from the ground and lying in rows, roots upward." When the waters receded 569 people were dead, with thousands more injured or made ill – more than 300 buildings had been washed away.