Philipsdam
Encyclopedia
Philipsdam belongs to the Delta Plan. After this cette construction, water of the lakes Krammer
Krammer
The Krammer is a body of water in the Netherlands.It is part of the Rhine–Meuse–Scheldt delta, and is situated between the islands Goeree-Overflakkee and Sint Philipsland. To its east, it continues into the Volkerak...

 and Volkerak
Volkerak
The Volkerak is a body of water in the Netherlands. It is part of the Rhine–Meuse–Scheldt delta, and is situated between the island Goeree-Overflakkee to the north-west and the Dutch mainland to the south and east. The western part of the Volkerak is also called Krammer.Tributaries of the Volkerak...

 are separated from the Oosterschelde
Oosterschelde
The Oosterschelde is an estuary in Zeeland, Netherlands, between Schouwen-Duiveland and Tholen on the north and Noord-Beveland and Zuid-Beveland on the south.During the Roman Era it was the major mouth of the Scheldt River. Before the St...

. This dam connects the Grevelingendam to Sint Philipsland
Sint Philipsland
Sint Philipsland is a village in the Dutch province of Zeeland. Sint Philpsland is also the name of the island on which the village lies...

.

The construction of the complex Philips began in late 1976 by constructing an artificial island construction on the sand Plaat van Vliet. Eighteen months later, when the island was completed, has started the construction of some lock
Lock
Lock may refer to:-Mechanical devices:* Lock , a mechanical device used to secure possessions* Lock , the ignition mechanism of small arms* Lock , an enclosure in a navigable canal or river...

 s for the recovery of inland navigation and yacht
Yacht
A yacht is a recreational boat or ship. The term originated from the Dutch Jacht meaning "hunt". It was originally defined as a light fast sailing vessel used by the Dutch navy to pursue pirates and other transgressors around and into the shallow waters of the Low Countries...

s. In 1983 the complex of locks Krammer
Krammer
The Krammer is a body of water in the Netherlands.It is part of the Rhine–Meuse–Scheldt delta, and is situated between the islands Goeree-Overflakkee and Sint Philipsland. To its east, it continues into the Volkerak...

 is completed, but the dam itself was completed and officially opened only on February 2nd 1987 .

In 1994, a second lock is built for yachts.

The locks
Locks
Locks may refer to*Lock, a fastening device*Locks of hair*Dreadlocks, matted coils of hair, known as locks*Lock , a device for transferring vessels between bodies of water of different levels...

 are technically complicated because they must avoid the exchange between the freshwater
Freshwater
Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...

 Volkerak
Volkerak
The Volkerak is a body of water in the Netherlands. It is part of the Rhine–Meuse–Scheldt delta, and is situated between the island Goeree-Overflakkee to the north-west and the Dutch mainland to the south and east. The western part of the Volkerak is also called Krammer.Tributaries of the Volkerak...

 and the Salt water
Salt water
Salt water or saltwater may refer to:* Saline water, water containing salts* Brine, with salt* Brackish water, water that is saltier than fresh water, but not as salty as seawater* Seawater, water from oceans or seas...

 of the Oosterschelde
Oosterschelde
The Oosterschelde is an estuary in Zeeland, Netherlands, between Schouwen-Duiveland and Tholen on the north and Noord-Beveland and Zuid-Beveland on the south.During the Roman Era it was the major mouth of the Scheldt River. Before the St...

. The locks are designed so that there is not an influx of salt water that enters the Volkerak
Volkerak
The Volkerak is a body of water in the Netherlands. It is part of the Rhine–Meuse–Scheldt delta, and is situated between the island Goeree-Overflakkee to the north-west and the Dutch mainland to the south and east. The western part of the Volkerak is also called Krammer.Tributaries of the Volkerak...

 and only a little fresh water in the Oosterschelde
Oosterschelde
The Oosterschelde is an estuary in Zeeland, Netherlands, between Schouwen-Duiveland and Tholen on the north and Noord-Beveland and Zuid-Beveland on the south.During the Roman Era it was the major mouth of the Scheldt River. Before the St...

. The locks use the physical principle that salt water is denser than fresh water and remains at the bottom. By a complex system of pipes and pumps the salt water is pumped from the bottom, or conversely, fresh water is pumped from the top, this depending on the destination of the ship. Locks on Inland Waterways have a length of 280 meters long and 24 meters wide, in order to agree also for large tugboat
Tugboat
A tugboat is a boat that maneuvers vessels by pushing or towing them. Tugs move vessels that either should not move themselves, such as ships in a crowded harbor or a narrow canal,or those that cannot move by themselves, such as barges, disabled ships, or oil platforms. Tugboats are powerful for...

s.

With the construction of the dam, the surrounding landscape has changed considerably. The formation of alluvial developed tidal marsh
Tidal marsh
A tidal marsh is a type of marsh that is found along coasts and estuaries of which the flooding characteristics are determined by the tidal movement of the adjacent estuary, sea or ocean . According to the salinity of the flooding water, freshwater, brackish and saline tidal marshes are...

es in which a rich animal life has developed. An observation hut was installed to facilitate the observation of many species of birds such as the Pied Avocet
Pied Avocet
The Pied Avocet, Recurvirostra avosetta, is a large black and white wader in the avocet and stilt family, Recurvirostridae. They breed in temperate Europe and western and Central Asia. It is a migratory species and most winter in Africa or southern Asia...

.

External links

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