Oosterscheldekering storm surge barrier

E107598

civil engineering structure movable flood barrier storm surge barrier

The Oosterscheldekering storm surge barrier is a massive movable flood defense structure in the Netherlands, renowned as the largest and most complex component of the Delta Works coastal protection system.

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All labels observed (9)

Label	Occurrences
Oosterscheldekering	9
Oosterscheldekering storm surge barrier canonical	3
Oosterschelde storm surge barrier	2
Eastern Scheldt barrier system	1
Eastern Scheldt storm surge barrier	1
Oosterschelde (via controlled structures)	1
Oosterschelde barrier	1
Oosterschelde–Haringvliet coastal defence line	1
storm surge barrier Oosterscheldekering	1

How this entity was disambiguated

This entity first appeared as the object of triple T857685 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Oosterscheldekering storm surge barrier
Context triple: [Delta Works, notableStructure, Oosterscheldekering storm surge barrier]

A. Stormvloedkering Hollandse IJssel
Stormvloedkering Hollandse IJssel is a major storm surge barrier in the Netherlands that protects low-lying areas along the Hollandse IJssel river from flooding as part of the Delta Works.
B. Delta Works
Delta Works is a vast system of dams, storm surge barriers, and other hydraulic structures in the Netherlands designed to protect low-lying areas from the sea and river flooding.
C. Zandkreekdam
Zandkreekdam is a Dutch dam and water barrier that forms part of the Delta Works coastal defense system, helping to protect the southwestern Netherlands from flooding.
D. Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
E. Westerscheldetunnel
The Westerscheldetunnel is a major road tunnel in the Netherlands that runs beneath the Western Scheldt estuary, providing a key fixed link between the northern and southern parts of Zeeland.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Oosterscheldekering storm surge barrier
Target entity description: The Oosterscheldekering storm surge barrier is a massive movable flood defense structure in the Netherlands, renowned as the largest and most complex component of the Delta Works coastal protection system.

A. Stormvloedkering Hollandse IJssel
Stormvloedkering Hollandse IJssel is a major storm surge barrier in the Netherlands that protects low-lying areas along the Hollandse IJssel river from flooding as part of the Delta Works.
B. Delta Works
Delta Works is a vast system of dams, storm surge barriers, and other hydraulic structures in the Netherlands designed to protect low-lying areas from the sea and river flooding.
C. Zandkreekdam
Zandkreekdam is a Dutch dam and water barrier that forms part of the Delta Works coastal defense system, helping to protect the southwestern Netherlands from flooding.
D. Volkerakdam
Volkerakdam is a major Dutch dam and water management structure that forms part of the Delta Works system, helping to control water levels and protect against flooding in the Rhine–Meuse–Scheldt delta.
E. Westerscheldetunnel
The Westerscheldetunnel is a major road tunnel in the Netherlands that runs beneath the Western Scheldt estuary, providing a key fixed link between the northern and southern parts of Zeeland.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	civil engineering structure ⓘ movable flood barrier ⓘ storm surge barrier ⓘ
allows	saltwater ecosystem preservation ⓘ tidal exchange ⓘ
carries	N57 road ⓘ
constructionMethod	placement on prepared seabed ⓘ prefabricated concrete caissons ⓘ
constructionStart	1979 ⓘ
country	Netherlands ⓘ
crosses	Oosterschelde ⓘ linked to: Eastern Scheldt
designedBy	Rijkswaterstaat ⓘ
designedFor	North Sea storm surges ⓘ
designedReturnPeriod	1 in 4000 year storm ⓘ
engineeringSignificance	landmark of hydraulic engineering ⓘ
environmentalConsideration	protection of Oosterschelde tidal basin ⓘ
gateOperation	closed during severe storms ⓘ normally open ⓘ
governedBy	Dutch flood safety standards ⓘ
hasFunction	navigation passage ⓘ road connection ⓘ
hasPart	artificial islands ⓘ piers ⓘ sluice gates ⓘ
hasVisitorCenter	Deltapark Neeltje Jans ⓘ
inspiredByEvent	North Sea flood of 1953 ⓘ
length	approximately 9 km ⓘ
locatedIn	Oosterschelde estuary ⓘ linked to: Eastern Scheldt Province of Zeeland ⓘ linked to: Zeeland
locatedNear	Noord-Beveland ⓘ Schouwen-Duiveland ⓘ
locatedOn	North Sea coast ⓘ
material	concrete ⓘ steel ⓘ
notableAs	largest structure of the Delta Works ⓘ most complex structure of the Delta Works ⓘ
opened	1986 ⓘ
operatedBy	Rijkswaterstaat ⓘ
partOf	Delta Works ⓘ
protects	North Brabant ⓘ South Holland ⓘ Zeeland ⓘ
purpose	coastal defense ⓘ flood protection ⓘ storm surge protection ⓘ
region	Southwestern Netherlands ⓘ
touristAttraction	yes ⓘ

How these facts were elicited