Grevelingen
The Grevelingen or Grevelingenmeer (Lake Grevelingen) is a closed off part of the Rhine-Meuse estuary on the border of the Dutch provinces of South Holland and Zeeland.
It is situated between the islands of Goeree-Overflakkee (South Holland) and Schouwen-Duiveland (Zeeland) and was closed off as part of the Delta Works, a huge engineering project designed to protect the southwestern part of the Netherlands from flooding. The Brouwersdam, a dike connecting the two islands on the west, closes off the Grevelingen from the North Sea. The Grevelingendam, the dike on the east, blocks the inflow of the Rhine and Meuse water.
Since its closure in 1971, the saltwater of the Grevelingen slowly started to become brackish due to rainwater and excess polderwater from the islands, but the Dutch changed their mind and decided that they wanted to preserve the saline biotope. Therefore, in 1978 a sluice was created under the Brouwersdam, partially restoring and maintaining the saline character of the Grevelingen.
Nevertheless, the water body life remains affected by the changes in water salinity, in the transport of sediments, and by a deficit in oxygen in deep water, caused by the levee since 1971. Benthic life (mussels, oysters and many fixed organisms) is rich in the shallow waters in the photic zone, but the deep sediments are less conducive to marine life, and fishes in open water are rarely observed during diving.
The Brouwerssluis is open all year round except during storm floods. Brouwerssluis is the home of a seal colony subsisting on fish transported by the seawater stream entering the water body during high tide.
Connexxion bus service 104 crosses the Brouwersdam, bus service 133 (and others) the Grevelingendam.
The Grevelingenmeer is the largest saltwater water body in Europe and a popular place for holidays and water sports (sailing, surfing, diving).
Trivia
Professional freestyle windsurfer Steven Van Broeckhoven refers to the Grevelingenmeer as his homespot.
References
External links
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- Map of area
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Rijn
Rhin
- Current distributaries
- Waal
- Nederrijn
- IJssel
- Lek
- Merwede
- Boven Merwede
- Nieuwe Merwede
- Beneden Merwede
- Oude Maas
- Dordtsche Kil
- Noord
- Nieuwe Maas
- Scheur
- Nieuwe Waterweg
- Former distributaries
- Kromme Rijn
- Leidse Rijn
- Oude Rijn
- Hollandse IJssel
- Vecht
- Waaltje
- Brielse Maas
- Spui
- Current estuaries
- Nieuwe Waterweg
- IJsselmeer
- Former estuaries
- Hollands Diep
- Haringvliet
- Volkerak
- Krammer
- Grevelingen
- Keeten-Mastgat
- Oosterschelde
Maas
- Current distributaries
- Bergse Maas
- Amer
- Former distributaries
- Oude Maasje
- Afgedamde Maas
- Merwede
- Boven Merwede
- Beneden Merwede
- Oude Maas
- Dordtsche Kil
- Noord
- Nieuwe Maas
- Scheur
- Nieuwe Waterweg
- Current estuaries
- Former estuaries
- Hollands Diep
- Haringvliet
- Volkerak
- Krammer
- Grevelingen
- Keeten-Mastgat
- Oosterschelde
- Associated canals
- Heusden Canal
- Bergse Maas
- Maas–Waal Canal
Schelde
Escaut
- Current distributaries
- Western Scheldt
- Former distributaries
- Oosterschelde
- Eendracht
- Current estuaries
- Western Scheldt
- Former estuaries
- Oosterschelde
- Krammer
- Grevelingen
- Associated canals
- Scheldt–Rhine Canal
- Canal through Zuid-Beveland
- Canal through Walcheren
(directly draining
into the delta)
- Linge
- Mark
- Donge
- Rotte
- Oude IJssel
Peninsulas
- Rozenburg
- IJsselmonde
- Het Eiland van Dordt
- Voorne and Putten
- Hoeksche Waard
- Tiengemeten
- Goeree-Overflakkee
- Schouwen-Duiveland
- Tholen
- Sint Philipsland
- Walcheren
- Noord-Beveland
- Zuid-Beveland
- Delta Works
- Verdronken Land van Reimerswaal
- Verdronken Land van Saeftinghe
- St. Elizabeth's flood (1421)
- St. Felix's Flood
- All Saints' Flood (1570)
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