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Land reclamation in the Netherlands

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William II of Holland grants the charter to the Water Board of Rhineland in the 13th century.

Land reclamation in the Netherlands has a long history. As early as in the 14th century, the first reclaimed land had been settled.[1] Much of the modern land reclamation has been done as a part of the Zuiderzee Works since 1919.[2]

According to a 2007 study by Calvin University in the United States, about 65% of the country would be under water at high tide if it were not for the existence and the country's use of dikes, dunes and pumps.[3] Land reclamation in the 20th century added an additional 1,650 square kilometres (640 sq mi) to the country's land area.[3] Of the country's population, 21% lives in the 26% of the land located below mean sea level.[4]

History and origins of land reclamation in the Netherlands

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The Netherlands has a coastline that is constantly changing with erosion caused by wind and water. The Dutch people inhabiting the region had at first built primitive dikes to protect their settlements from the sea.[1] In the northern parts of the Netherlands sea levels fell exposing new land at a rate of 5–10 meters per year between 500 BC and 500 AD. This natural process was exploited to claim new agricultural lands. Discontinuous dikes were built to protect the new farms.[5]

Smaller strips of land were reclaimed by filling with sand or other types of land materials. This was usually done near urban and harbour areas since the 14th century. For instance, Amsterdam and Rotterdam were expanding in this manner.[5]

The development of using windmills for pumping water in the 15th century allowed the draining of significant bodies of water. This resulted in the creation of polders.[1] The first steam powered water mill was put to use in 1787.[5]

Recent history

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Further information: Marker Wadden and Zuiderzee Works
A modern pumping station in Zoetermeer

In 2012, plans emerged to create the Marker Wadden,[6] a group of islands designed to establish nature reserves in the north of the Markermeer. In contrast to the Markerwaard, no human occupation is planned. The creation process began in early 2016.[7]

Polders

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Further information: Polder
A satellite image of Flevopolder in Flevoland

The Netherlands is frequently associated with polders, as its engineers became noted for developing techniques to drain wetlands and make them usable for agriculture and other development. This is illustrated by the saying: "God created the world, but the Dutch created the Netherlands"[8]

The Dutch have a long history of reclamation of marshes and fenland, resulting in some 3,000 polders[9] nationwide. About half the total surface area of polders in north-west Europe is in the Netherlands. The first embankments in Europe were constructed in Roman times. The first polders were constructed in the 11th century.

As a result of flooding disasters, water boards called waterschap (when situated more inland) or hoogheemraadschap (near the sea, mainly used in the Holland region)[10] were set up to maintain the integrity of the water defences around polders, maintain the waterways inside a polder, and control the various water levels inside and outside the polder. Water boards hold separate elections, levy taxes, and function independently from other government bodies. Their function is basically unchanged even today. As such they are the oldest democratic institution in the country. The necessary cooperation among all ranks to maintain polder integrity gave its name to the Dutch version of third way politics—the Polder Model.

The 1953 flood disaster prompted a new approach to the design of dikes and other water-retaining structures, based on an acceptable probability of overflowing. Risk is defined as the product of probability and consequences. The potential damage in lives, property and rebuilding costs is compared to the potential cost of water defences. From these calculations follows an acceptable flood risk from the sea at one in 4,000–10,000 years, while it is one in 100–2,500 years for a river flood. The particular established policy guides the Dutch government to improve flood defences as new data on threat levels becomes available.

List of polders

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Some famous Dutch polders and the year they were laid dry are:

Proposed developments

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Further information: Markerwaard and Zuiderzee Works

The Markerwaard is the name of a proposed polder in the IJsselmeer that was never built. The construction of Markerwaard would have resulted in the near-total reclamation of the Markermeer. Markerwaard was expected to be finished in 1978.[11]

In 1941 work for this project started; about 2 km of a dike north of Marken was built. It would have had an area of nearly 600 km2. But the German occupation stopped the project. Later, it was decided that the Flevopolder should have priority. In 1957, the island of Marken was connected to the mainland of the province North-Holland. In 1976 the dam Houtribdijk connecting Enkhuizen and Lelystad was completed, a necessary step in the construction of Markerwaard, the dikes for the bordering lakes were still to be completed. However the entire project became mired in political and environmental controversy. In the late 1970s, the project was revised down leaving wide bordering lakes between the polder and North Holland. Marken would remain a peninsula, unlike on the original project. At this stage, the Markerwaard would have had an area of 410 km2.

Finally, in 2003, it was decided not to build this polder.[12]

1965 plan for a polder
1965 plan for a polder
1981 plan for a polder
1981 plan for a polder
The Marker-Wadden project featuring several small islands
The Marker-Wadden project
Different proposals for land reclamation at Markermeer

Opposition

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In the 1960s, the Vereniging tot Behoud van de Waddenzee organization successfully campaigned against plans to reclaim part of the Wadden Sea.[13]

In 1974, the Association for the Preservation of the IJssel Lake (also known as the Vereniging tot Behoud van het IJsselmeer), one of the most vocal groups against land reclamation, published Plan Waterlely, which provided opposing viewpoints and solutions to land reclamation.[13] Among its many arguments, it said that land reclamation was no longer needed as a Dutch tradition since it was no longer needed for flood prevention, as previous reclamation projects were used for.[13] The Plan also argued that urbanization would lead to more land reclamation, which would create a never ending cycle of reclamation, and that creating newly reclaimed land would only delay the fixing of the core issues of urbanization.[13] Also, it argued that issues that were generated on "old land" should remain there, and not be expanded into newly reclaimed land.[13] Though dismissed by the Dutch government, the press generally was well receptive to the Plan.[13]

See also

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References

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  1. ^ a b c How it Works: Science and Technology. Marshall Cavendish. 2003. p. 1208. ISBN 978-0-7614-7323-7.
  2. ^ Carol Hand (2014). Amazing Feats of Environmental Engineering. ABDO. pp. 71–72. ISBN 978-1-62968-529-8.
  3. ^ a b Robert J Hoeksema (2007). "Three stages in the history of land reclamation in the Netherlands". Irrigation and Drainage. 56 (56). Wiley InterScience: 113–126. doi:10.1002/ird.340. S2CID 128768356.
  4. ^ "Land Reclamation in the Netherlands 1300 Vs 2000". 3 March 2023.
  5. ^ a b c Eduardo F. J. De Mulder; Ben C. De Pater; Joos C. Droogleever Fortuijn (28 July 2018). The Netherlands and the Dutch: A Physical and Human Geography. Springer International Publishing. pp. 20–23. ISBN 978-3-319-75073-6.
  6. ^ Intentieverklaring Marker Wadden, Rijkswaterstaat, Dutch government bulletin, April 2013
  7. ^ Boskalis wins Marker Wadden Island contract, Dredging News Online, 15 September 2015
  8. ^ Forrest Clingerman, Brian Treanor, Martin Drenthen, David Utsler, Interpreting Nature: The Emerging Field of Environmental Hermeneutics, Fordham University Press, 1 September 2013.
  9. ^ "Kijk naar de geschiedenis". Rijkswaterstaat. Retrieved 21 January 2008.[permanent dead link‍]
  10. ^ "waterschap". Archived from the original on 2 November 2012.
  11. ^ Ley, Willy (October 1961). "The Home-Made Land". For Your Information. Galaxy Science Fiction. pp. 92–106.
  12. ^ In de Nota Ruimte Ruimte voor ontwikkeling, Deel 4 Definitieve versie, Hoofdstuk 4 Gebieden en thema's, Paragraaf 6 IJsselmeergebied, Sub-paragraaf 4 Specifieke beleidskeuzen, Kop 3 Buitendijkse ontwikkelingen staat op pag. 156: "De ruimtelijke reservering voor een Markerwaard vervalt." PDF Archived 2014-01-14 at the Wayback Machine
  13. ^ a b c d e f Teule, S. G. J. (2020). "The Struggle for the Markerwaard". Utrecht University Repository. Retrieved 16 June 2021.
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