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Zuiderzee

Coordinates: 52°42′N 05°24′E / 52.700°N 5.400°E / 52.700; 5.400
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(Redirected from Lake Flevo)

Historical map of the Netherlands (1658) with the Zuyder Zee

The Zuiderzee or Zuider Zee (Dutch: [ˌzœydərˈzeː] ⓘ; old spelling Zuyderzee or Zuyder Zee), historically called Lake Almere and Lake Flevo, was a shallow bay of the North Sea in the northwest of the Netherlands. It extended about 100 km (60 miles) inland and at most 50 km (30 miles) wide, with an overall depth of about 4 to 5 metres (13–16 feet) and a coastline of about 300 km (200 miles). It covered 5,000 km2 (1,900 sq mi). Its name is Dutch for "southern sea", indicating that the name originates in Friesland, to the north of the Zuiderzee (cf. North Sea).[citation needed]

In the 20th century the majority of the Zuiderzee was closed off from the North Sea by the construction of the Afsluitdijk, leaving the mouth of the inlet to become part of the Wadden Sea. The salt water inlet changed into a fresh water lake now called the IJsselmeer (IJssel Lake) after the river that drains into it, and by means of drainage and polders, an area of some 1,500 km2 (580 sq mi) was reclaimed as land. This land eventually became the province of Flevoland.[citation needed] Part of the IJsselmeer was also divided into the Markermeer.

History

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Lake Flevo

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The region of the Netherlands c. 500 BC.
The region of the Netherlands c. 50 AD.

In classical times there was already a body of water in this location, called Lake Flevo (Flevo Lacus[1]) by Roman authors.[2] This was the central and largest lake in a region filled with a mixture of lowland and freshwater lakes occupying the area later filled by the Zuiderzee. It was separated from the sea by a belt of marsh and fen; at the time, the original coastline ran along the line of the Frisian Islands. A number of streams, including the Vecht, Eem, and Ysel, fed into the lake. The lake itself fed out into the North Sea through the Vlie (Latin Flevus).[1] It existed in Roman times and the early Middle Ages.

From the Indo-European root *plew- "flow",[3][4] the name was transmitted by the Roman geographer Pomponius Mela in describing this region. In his treatise on geography of 44 AD, Pomponius speaks of a Flevo Lacus. He writes: "The northern branch of the Rhine widens as Lake Flevo, and encloses an island of the same name, and then as a normal river flows to the sea". Other sources rather speak of Flevum, which could be related to today's Vlie (Vliestroom), i.e. the seaway between the Dutch islands of Vlieland and Terschelling. This last name is grammatically more probable for a geographical indication, which is why it is assumed that Pomponius confused the declension of the word giving the name Flevo. In fact the Vlie formed outfall from the lake into the North Sea.[citation needed]

In the second half of the twentieth century the Flevopolders and a new province, Flevoland, took the name of the body of water which lay there long ago.[citation needed]

Over time these lakes gradually eroded their soft peat shores and spread (a process known as waterwolf). Some part of this area of water was later called the Vlie; it probably flowed into the sea through what is now the Vliestroom channel between the islands of Vlieland and Terschelling.[1]

During a period of rising sea level between 250 and 600 CE, the connection to the sea and the lake were significantly enlarged. A period of lower sea levels followed.

The region of the Netherlands c. 800 AD. At that time, the lake was called Almere.

Almere

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The Marsdiep was once a river (fluvium Maresdeop) which may have been a distributary of the Vlie. During the early Middle Ages this began to change as rising sea levels and storms started to eat away at the coastal areas which consisted mainly of peatlands. In this period the inlet was referred to as the Almere, indicating it was still more of a lake, but the mouth and size of the inlet were much widened in the 12th century and especially after a disastrous flood in 1282[5] broke through the barrier dunes near Texel. The disaster marked the rise of Amsterdam on the southwestern end of the bay, since the seagoing traffic of the Baltic trade could now visit.[citation needed]

Lake Almere is mentioned among others in a life of saints written by Anglo-Saxon Bishop Saint Boniface in 753, and a deed of gift from the town of Urk.[citation needed] Its etymology may be eels, in Dutch aal or ael, so: ael mere = "eel lake"[citation needed] Presumably, the water of Lake Almere at that time was fresh water or slightly brackish.[citation needed] The name of the new town of Almere in Flevoland was given in 1984 in memory of this body of water.[citation needed]

A number of occurrences during the Middle Ages led to the transformation of the lake to an inland sea that would be called the Zuiderzee, which are:[citation needed]

Especially during the 12th century, particularly in 1219 and 1282, high tides and storms eroded the western banks of the Vlie and submerged large areas of land. The land between Stavoren, Texel, and Medemblik was washed away around 1170. The waterway between Stavoren and Enkhuizen, however, did not appear until around 1400. The erosion was stopped to the south and east by the high sandy shores of Gooi, Veluwe, Voorst, and Gasterland in the provinces of Utrecht, Gelderland, Overysel, and Friesland respectively.[1]

Zuiderzee

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The Dutch defeat the Spanish fleet at the Battle on the Zuiderzee in 1573.

The even more massive St. Lucia's flood occurred 14 December 1287, when the seawalls broke during a storm, killing approximately 50,000 to 80,000 people in the fifth largest flood in recorded history. The flood occurred during a memorable storm in Friesland and Holland, and came from the North Sea, breaking and destroying several dams and dunes and transforming it into a bay which was then called the Zuiderzee,[citation needed] meaning Southern Sea.[1] The name "Zuiderzee" came into general usage around this period.[citation needed]

The size of this inland sea remained largely stable from the 15th century onwards due to improvements in dikes, but when storms pushed North Sea water into the inlet, the Zuiderzee became a volatile cauldron of water, frequently resulting in flooding and the loss of ships. For example, on 18 November 1421, a seawall at the Zuiderzee dike broke, which flooded 72 villages and killed about 10,000 people. This was the Second St. Elizabeth's flood.[citation needed]

The process of creating polders had developed to a point by 1667 that the damming of the Zuiderzee was proposed, although a feasible method did not appear until the 20th century.

The Netherlands was part of the First French Empire between 1810 and 1813. A département was formed in 1811 and named as Zuyderzée after the Zuiderzee, whose territory roughly corresponded to the present provinces of North Holland and Utrecht.[citation needed]

In 1928, the 6-meter and 8-meter sailing events for the Amsterdam Summer Olympics were held on the Zuiderzee.[6]

Zuiderzee Works

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Map of the Zuiderzee Works in the Netherlands
Main article: Zuiderzee Works
Satellite view of the modern region, with parts of the Zuiderzee Works annotated

The construction between 1927 and 1932 of a 19-mile long dam (the Afsluitdijk), under plans originating from Cornelius Lely, enclosed the Zuiderzee. The creation of this dam was hastened by the Flood of January 1916. Plans for closing the Zuiderzee had been made over thirty years earlier but had not yet passed in parliament.[7] With the completion of the Afsluitdijk in 1932, the Zuiderzee became the IJsselmeer, and the outer portion of the Zuiderzee became the Wadden Sea. Large areas of land, mainly for agricultural use, were subsequently reclaimed from the water through the construction of polders with dams, pumping, and other hydrological technology. Four had been built by the early 1980s. They were the Wieringermeer Polder built in 1930; the Northeast (Noordoost) Polder, built in 1942; the East (Oostelijk) Flevoland Polder, built in 1957; and the South (Zuidelijk) Flevoland Polder, completed in 1968.[8] A fifth, Markewaard, began construction in 1963, and became partially complete, but was abandoned in the mid-1980s.[8] Collectively, this system of dams, dikes, and polders is called the Zuiderzee Works.[9]

Geography

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Around the Zuiderzee many fishing villages grew up and several developed into walled towns with extensive trade connections, in particular Kampen, a town in Overijssel, and later also towns in Holland such as Amsterdam, Hoorn, and Enkhuizen. These towns traded at first with ports on the Baltic Sea, in England, and in the Hanseatic League, but later also with the rest of the world when the Netherlands established its colonial empire. When that lucrative trade diminished, most of the towns fell back on fishing and some industry until the 20th century when tourism became the major source of income.[citation needed]

Contained within the Zuiderzee were five small islands,[1] the remains of what were once larger islands, peninsulas connected to the mainland, or in the case of Pampus, an artificial island.[citation needed] These were Wieringen, Urk, Schokland, Pampus and Marken.[1] The inhabitants of these islands also subsisted mainly on fishing and related industries and still do in the case of Urk and Wieringen. All of these islands, except for Pampus, are now part of the mainland or connected to it.[citation needed]

See also

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References

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  1. ^ a b c d e f g  One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Zuider Zee". Encyclopædia Britannica. Vol. 28 (11th ed.). Cambridge University Press. p. 1049.
  2. ^ "Almere". Oosthoek encyclopedie (in Dutch). OOSTHOEK'S UITGEVERS MIJ. N.V (1916-1925). 17 January 2019. Retrieved 1 July 2024.
  3. ^ Koch, John T. (2006). Celtic culture: a historical encyclopedia. Vol. 1. ABC-CLIO. p. 1195. ISBN 978-1-85109-440-0. Germanic variants, for example, Flevo (in classical sources) and Modern Dutch Vlie(t) also occur...
  4. ^ de Vries, J. (1971). Nederlands Etymologisch Woordenboek (in Dutch). *pleu, dat nog voortleeft in lat. germ. Flevo, Flevum, mnl. Fleo, Fli, nnl. Vlie 'waddenstroom aan de Friese kust'.
  5. ^ Buisman, Jan (1995). Duizend jaar weer, wind en water in de Lage Landen (in Dutch). Franeker, the Netherlands: Van Wijnen. ISBN 978-9-05194-075-6. Archived from the original on 9 February 2021. Retrieved 23 February 2015.
  6. ^ 1928 Summer Olympics official report Archived 8 April 2008 at the Wayback Machine pp. 271–272, 274.
  7. ^ Public Domain Lely, Cornelius (1922). "Zuider Zee". In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 32 (12th ed.). London & New York: The Encyclopædia Britannica Company. pp. 1143–1144.
  8. ^ a b "IJsselmeer Polders". Encyclopaedia Britannica. Retrieved 16 July 2024.
  9. ^ "Zuiderzee Works". NASA Earth Observatory. NASA. 6 September 2021. Retrieved 16 July 2024.
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