Markermeer
Encyclopedia
The Markermeer is a 700 km² (270 sq mi) lake
Lake
A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the central Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 in between North Holland
North Holland
North Holland |West Frisian]]: Noard-Holland) is a province situated on the North Sea in the northwest part of the Netherlands. The provincial capital is Haarlem and its largest city is Amsterdam.-Geography:...

, Flevoland
Flevoland
Flevoland is a province of the Netherlands. Located in the centre of the country, at the location of the former Zuiderzee, the province was established on January 1, 1986; the twelfth province of the country, with Lelystad as its capital...

 and its larger sibling, the IJsselmeer
IJsselmeer
IJsselmeer is a shallow artificial lake of 1100 km² in the central Netherlands bordering the provinces of Flevoland, North Holland and Friesland, with an average depth of 5 to 6 m. The IJsselmeer is the largest lake in Western Europe....

. A shallow lake at some 3 to 5 m in depth, it is named after the small former island
Island
An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

, now peninsula
Peninsula
A peninsula is a piece of land that is bordered by water on three sides but connected to mainland. In many Germanic and Celtic languages and also in Baltic, Slavic and Hungarian, peninsulas are called "half-islands"....

, of Marken
Marken
Marken is a peninsula in the IJsselmeer, the Netherlands, located in the municipality Waterland in the province North Holland. It is an island, which nowadays is connected to the North Holland mainland by a causeway. Also, Marken is a well-known tourist attraction, well-known for its characteristic...

 that lies within it. The southwest side of the lake that begins where the IJ
IJ (bay)
The IJ is a river, formerly a bay, in the Dutch province of North Holland. It is known for being Amsterdam's waterfront. The name derives from the generic Germanic term for "water" and is similar to other Aa/Ee names for bodies of water. In Dutch, the name consists of the digraph ij, which is...

 once emptied into the Zuiderzee is known as the IJmeer
IJmeer
The IJmeer is a bordering lake in the Netherlands. It lies between the polder De Nes , Pampushaven, Hollandse Brug and the mouth of the IJ in IJburg, straddling the provinces of North Holland and Flevoland. It is an important habitat for birds such as the Tufted Duck and Scaup...

.

The Markermeer was not originally intended to remain a lake. It used to be part of the Zuiderzee, a saltwater inlet of the North Sea
North Sea
In the southwest, beyond the Straits of Dover, the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively...

, that was dammed off by the Afsluitdijk
Afsluitdijk
The Afsluitdijk is a major causeway in the Netherlands, constructed between 1927 and 1933 and running from Den Oever on Wieringen in North Holland province, to the village of Zurich in Friesland province, over a length of and a width of 90 m, at an initial height of 7.25 m above sea-level.It is...

 (Closure Dike) in 1932, turning the Zuiderzee into the freshwater IJsselmeer. The following years saw the reclamation of extensive tracts of land as large polder
Polder
A polder is a low-lying tract of land enclosed by embankments known as dikes, that forms an artificial hydrological entity, meaning it has no connection with outside water other than through manually-operated devices...

s in a massive project known as the Zuiderzee Works
Zuiderzee Works
The Zuiderzee Works are a manmade system of dams, land reclamation and water drainage works, the largest hydraulic engineering project undertaken by the Netherlands during the twentieth century. The project involved the damming of the Zuiderzee, a large, shallow inlet of the North Sea, and the...

 (this article has a map of the area). One of these, the Markerwaard
Markerwaard
thumb | right | 250px | The Markerwaard is visible on [[Cornelis Lely | Lely]]'s planThe Markerwaard is the name of a polder in the IJsselmeer that was never built and would result as the total or partial reclamation of the Markermeer...

, was to occupy the area of the current Markermeer. Part of the construction of this last polder was building the Houtribdijk
Houtribdijk
The Houtribdijk is a dike in the Netherlands, built between 1963 and 1975 as part of the Zuiderzee Works, which connects the cities of Lelystad and Enkhuizen. On the west side of the dike is the Markermeer and on the east is the IJsselmeer...

, also called Markerwaarddijk, finished in 1976, which hydrologically splits the IJsselmeer in two, the southern section being the Markermeer.

Because of changing priorities and doubts about the financial feasibility, the Markerwaard was indefinitely postponed in the 1980s and the Markermeer has since begun to become a valuable ecological and recreational asset of its own.

The Markermeer is used as a freshwater reservoir and a buffer against floodwaters and droughts. In 2003 the Netherlands was hit by drought, and several minor dikes were endangered. Water from the Markermeer was used to keep the area surrounding Amsterdam
Amsterdam
Amsterdam is the largest city and the capital of the Netherlands. The current position of Amsterdam as capital city of the Kingdom of the Netherlands is governed by the constitution of August 24, 1815 and its successors. Amsterdam has a population of 783,364 within city limits, an urban population...

wet, thereby keeping the dikes safe.

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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