103-551: The Rotterdam Cruise Terminal is a building on the Wilhelmina Pier , Rotterdam . The Cruise Terminal served as the arrival and departure point of Holland America Line and is considered part of the city’s social and industrial heritage. The Cruise Terminal is still used by large passenger vessels that visit Rotterdam. The Terminal is now known for its cafe/restaurant located inside with a hall of 3,800 square metres (41,000 sq ft). The "Turquoise Carpet" event for
206-414: A breach may experience flooding similar to a natural event, while damage near a breach can be catastrophic, including carving out deep holes and channels in the nearby landscape. Under natural conditions, floodwaters return quickly to the river channel as water-levels drop. During a levee breach, water pours out into the floodplain and moves down-slope where it is blocked from return to the river. Flooding
309-612: A distance of some 610 km (380 mi). The scope and scale of the Mississippi levees has often been compared to the Great Wall of China . The United States Army Corps of Engineers (USACE) recommends and supports cellular confinement technology (geocells) as a best management practice. Particular attention is given to the matter of surface erosion, overtopping prevention and protection of levee crest and downstream slope. Reinforcement with geocells provides tensile force to
412-553: A dyke may be a field wall, generally made with dry stone . The main purpose of artificial levees is to prevent flooding of the adjoining countryside and to slow natural course changes in a waterway to provide reliable shipping lanes for maritime commerce over time; they also confine the flow of the river, resulting in higher and faster water flow. Levees can be mainly found along the sea, where dunes are not strong enough, along rivers for protection against high floods, along lakes or along polders . Furthermore, levees have been built for
515-423: A few stages for pop music , like Rotown , Poortgebouw and Annabel. Additionally, the venue WORM focuses on experimental music , as well as various other cultural activities. WORM also screens films and hosts a film lab, Filmwerkplaats . In fact, Rotterdam has an extensive film history, ranging from avant-garde classics, such as The Bridge ( Ivens , 1928), to internationally acclaimed documentaries from
618-677: A flood emergency. Some of the earliest levees were constructed by the Indus Valley civilization (in Pakistan and North India from c. 2600 BCE ) on which the agrarian life of the Harappan peoples depended. Levees were also constructed over 3,000 years ago in ancient Egypt , where a system of levees was built along the left bank of the River Nile for more than 1,000 kilometers (600 miles), stretching from modern Aswan to
721-444: A high suspended sediment fraction and thus are intimately associated with meandering channels, which also are more likely to occur where a river carries large fractions of suspended sediment. For similar reasons, they are also common in tidal creeks, where tides bring in large amounts of coastal silts and muds. High spring tides will cause flooding, and result in the building up of levees. Both natural and man-made levees can fail in
824-511: A large part of Rotterdam's multi-ethnic and multicultural diversity. 52.9% of the population have at least one parent born outside the country. There are 80,000 Muslims, constituting 13% of the population in 2010. The former mayor of Rotterdam, Ahmed Aboutaleb (2009-2024), is of Moroccan descent and is a practicing Muslim. The city is home to the largest Dutch Antillean community in the Netherlands. The city also has its own China Town at
927-428: A number of ways. Factors that cause levee failure include overtopping, erosion, structural failures, and levee saturation. The most frequent (and dangerous) is a levee breach . Here, a part of the levee actually breaks or is eroded away, leaving a large opening for water to flood land otherwise protected by the levee. A breach can be a sudden or gradual failure, caused either by surface erosion or by subsurface weakness in
1030-574: A population of only a few thousand. Around the year 1350, a shipping canal (the Rotterdamse Schie ) was completed, which provided Rotterdam access to the larger towns in the north, allowing it to become a local trans-shipment centre between the Netherlands, England and Germany , and to urbanize . Beginning in the 1600's, Rotterdam was involved in the Atlantic slave trade . According to historian Gerhard de Kok, "Rotterdam merchants were
1133-801: A port of importance, becoming the seat of one of the six "chambers" of the Vereenigde Oostindische Compagnie (VOC), the Dutch East India Company and one of the five "chambers" of the West-Indische Compagnie (WIC), the Dutch West India Company . The greatest spurt of growth, both in port activity and population, followed the completion of the Nieuwe Waterweg in 1872. The city and harbour started to expand on
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#17327718879331236-593: A range of festivals and other events, and a buzzing nightlife. The city has its own orchestra, the Rotterdam Philharmonic Orchestra , with its well-regarded young music director Lahav Shani , which plays at the congress and concert building De Doelen . The Ahoy complex in the south of the city is used for pop concerts, exhibitions, tennis tournaments and other activities. There are also several theatres and cinemas, including LantarenVenster and Cinerama. Alongside Porto , Rotterdam
1339-505: A reminder also for posterity of the courage and strength with which the people of Rotterdam bore all the trials of the war and the important part they took in the liberation of the fatherland.... —Wilhelmina of the Netherlands Rotterdam was gradually rebuilt from the 1950s through to the 1970s. Because the city centre was largely destroyed, new spatial infrastructure could be built, making it an open and modern city. In 1953
1442-667: A selective roster of emerging international artists. The Hoboken campus of EUR houses the Dijkzigt (general) hospital, the Sophia Hospital (for children), Daniel den Hoed clinic (cancer institute) and the medical department of the university. They are known collectively as the Erasmus Medical Center . This center is ranked third in Europe by CSIC as a hospital, and is also ranked within top 50 universities of
1545-412: A shorter route to the ocean and begin building a new delta. Wave action and ocean currents redistribute some of the sediment to build beaches along the coast. When levees are constructed all the way to the ocean, sediments from flooding events are cut off, the river never migrates, and elevated river velocity delivers sediment to deep water where wave action and ocean currents cannot redistribute. Instead of
1648-421: A shorter time interval means higher river stage (height). As more levees are built upstream, the recurrence interval for high-water events in the river increases, often requiring increases in levee height. During natural flooding, water spilling over banks rises slowly. When a levee fails, a wall of water held back by the levee suddenly pours out over the landscape, much like a dam break. Impacted areas far from
1751-596: A single conurbation. They share the Rotterdam The Hague Airport and a light rail system called RandstadRail . Consideration is being given to creating an official Metropolitan region Rotterdam The Hague ( Metropoolregio Rotterdam Den Haag ), which would have a combined population approaching 2.5 million. In its turn, the Rijnmond conurbation is part of the southern wing (the Zuidvleugel ) of
1854-565: A temperate oceanic climate ( Köppen climate classification Cfb ) similar to all of the coastal areas in the Netherlands. Located near to the coast, its climate is slightly milder than locations further inland. Winters are cool with frequent cold days, while the summers are mild to warm, with occasional hot temperatures. Temperature rises above 30 °C on average 4 days each summer, while (night) temperatures can drop below −5 °C during winter for short periods of time, mostly during periods of sustained easterly (continental) winds. Precipitation
1957-552: A vocational university that teaches music, dance and circus. Unique to the city is the Shipping & Transport College which offers masters, bachelors and vocational diplomas on all levels. Once primarily a city of labour, for its harbour and related industries, Rotterdam has now developed into a city of culture too, with various museums, cultural centres and activities, offering a stage for architecture , music, visuals arts, poetry, cinema, theatre, and culture more generally, with
2060-537: Is electrical resistivity tomography (ERT). This non-destructive geophysical method can detect in advance critical saturation areas in embankments. ERT can thus be used in monitoring of seepage phenomena in earth structures and act as an early warning system, e.g., in critical parts of levees or embankments. Large scale structures designed to modify natural processes inevitably have some drawbacks or negative impacts. Levees interrupt floodplain ecosystems that developed under conditions of seasonal flooding. In many cases,
2163-617: Is a more upscale shopping street, with retailers like Michael Kors , 7 For All Mankind , Calvin Klein , Hugo Boss , Tommy Hilfiger and the Dutch well-known men's clothier Oger . Another upscale shopping venue is a flagship store of department store De Bijenkorf . Located a little more to the east is the Markthal , with lots of small retailers inside. This hall is also one of Rotterdam's famous architectural landmarks. The main shopping venue in
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#17327718879332266-442: Is also home to the regional headquarters of chemical company LyondellBasell , commodities trading company Glencore , pharmaceutical company Pfizer , logistics companies Stolt-Nielsen , electrical equipment company ABB and consumer goods company Procter & Gamble . Furthermore, Rotterdam has the Dutch headquarters of Allianz , Maersk , Petrobras , Samskip , Louis Dreyfus Group , and Aon . The City of Rotterdam makes use of
2369-546: Is below mean sea level. These typically man-made hydraulic structures are situated to protect against erosion. They are typically placed in alluvial rivers perpendicular, or at an angle, to the bank of the channel or the revetment , and are used widely along coastlines. There are two common types of spur dyke, permeable and impermeable, depending on the materials used to construct them. Natural levees commonly form around lowland rivers and creeks without human intervention. They are elongated ridges of mud and/or silt that form on
2472-449: Is generally moderate throughout the year, although spring and summer (particularly before August) are relatively drier and sunnier, while autumn and winter are cloudier with more frequent rain (or snow). The following climate data is from the airport, which is slightly cooler than the city, being surrounded by water canals which make the climate milder and with a higher relative humidity . The city has an urban heat island , especially inside
2575-558: Is home to over 180 different nationalities. Rotterdam is known for its university , riverside setting, lively cultural life, maritime heritage and modern architecture . The near-complete destruction of the city centre during the World War II German bombing has resulted in a varied architectural landscape, including skyscrapers designed by architects such as Rem Koolhaas , Piet Blom and Ben van Berkel . The Rhine , Meuse and Scheldt give waterway access into
2678-420: Is important in order to design stable levee and floodwalls . There have been numerous studies to investigate the erodibility of soils. Briaud et al. (2008) used Erosion Function Apparatus (EFA) test to measure the erodibility of the soils and afterwards by using Chen 3D software, numerical simulations were performed on the levee to find out the velocity vectors in the overtopping water and the generated scour when
2781-550: Is part of the Rotterdam–The Hague metropolitan area which, as of 2015, covers an area of 1,130 km , of which 990 km km is land, and has a population of approximately 2,563,197. As of 2019, the municipality itself occupies an area of 325.79 km , 208.80 km of which is land, and is home to 638,751 inhabitants. Its population peaked at 731,564 in 1965, but the dual processes of suburbanization and counterurbanization saw this number steadily decline over
2884-451: Is permanently diverted through the gap. Sometimes levees are said to fail when water overtops the crest of the levee. This will cause flooding on the floodplains, but because it does not damage the levee, it has fewer consequences for future flooding. Among various failure mechanisms that cause levee breaches, soil erosion is found to be one of the most important factors. Predicting soil erosion and scour generation when overtopping happens
2987-573: Is prolonged over such areas, waiting for floodwater to slowly infiltrate and evaporate. Natural flooding adds a layer of sediment to the floodplain. The added weight of such layers over many centuries makes the crust sink deeper into the mantle , much like a floating block of wood is pushed deeper into the water if another board is added on top. The momentum of downward movement does not immediately stop when new sediment layers stop being added, resulting in subsidence (sinking of land surface). In coastal areas, this results in land dipping below sea level,
3090-506: The Architecture Film Festival Rotterdam (AFFR). Levee A levee ( / ˈ l ɛ v i / or / ˈ l ɛ v eɪ / ), dike ( American English ), dyke ( British English ; see spelling differences ), embankment , floodbank , or stop bank is an elevated ridge , natural or artificial, alongside the banks of a river , often intended to protect against flooding of the area adjoining
3193-697: The Eurovision Song Contest 2021 took place at the Terminal on 16 May 2021. The Terminal was due to host the "Golden Carpet" and Opening Ceremony events for the Eurovision Song Contest 2020 before its cancellation. 51°54′21″N 4°29′12″E / 51.90583°N 4.48667°E / 51.90583; 4.48667 Rotterdam Rotterdam ( / ˈ r ɒ t ər d æ m / ROT -ər-dam , UK also / ˌ r ɒ t ər ˈ d æ m / ROT -ər- DAM ; Dutch: [ˌrɔtərˈdɑm] ; lit. ' The Dam on
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3296-535: The Indus Valley , ancient Egypt, Mesopotamia and China all built levees. Today, levees can be found around the world, and failures of levees due to erosion or other causes can be major disasters, such as the catastrophic 2005 levee failures in Greater New Orleans that occurred as a result of Hurricane Katrina . Speakers of American English use the word levee , from the French word levée (from
3399-673: The Lijnbaan was opened, the first car-free shopping street in Europe. The progressive design attracted a lot of international attention, in which film and television played an important role. The new Central Station was completed in 1957, with the Groothandelsgebouw from 1953 next to it. The Euromast was erected in 1960 on the occasion of the Floriade . From the 1980s onwards the city councils began developing an active architectural policy. The harbours were moving westwards and
3502-525: The Nile Delta on the shores of the Mediterranean . The Mesopotamian civilizations and ancient China also built large levee systems. Because a levee is only as strong as its weakest point, the height and standards of construction have to be consistent along its length. Some authorities have argued that this requires a strong governing authority to guide the work and may have been a catalyst for
3605-631: The Randstad , which is one of the most important economic and densely populated areas in the north-west of Europe. Having a population of 7.1 million, the Randstad is the sixth-largest urban area in Europe (after Moscow, London, Paris, Istanbul, and the Rhein-Ruhr Area). The Zuidvleugel, situated in the province of South Holland , has a population of around 3 million. Rotterdam experiences
3708-517: The Rotte . In 1340, Rotterdam was granted city rights by William IV, Count of Holland . The Rotterdam–The Hague metropolitan area , with a population of approximately 2.7 million, is the 10th-largest in the European Union and the most populous in the country. A major logistic and economic centre, Rotterdam is Europe's largest seaport . In 2022, Rotterdam had a population of 655,468 and
3811-710: The Willemsbrug ('Willems Bridge') together with the Koninginnebrug ('Queen's Bridge'); and the Van Brienenoordbrug ('Van Brienenoord Bridge'). The former railway lift bridge De Hef ('the Lift') is preserved as a Rijksmonument (national heritage site) in lifted position between the Noordereiland ('North Island') and the south of Rotterdam. The city centre is located on the northern bank of
3914-457: The bank . It closely parallels the English verb to dig . In Anglo-Saxon , the word dic already existed and was pronounced as dick in northern England and as ditch in the south. Similar to Dutch, the English origins of the word lie in digging a trench and forming the upcast soil into a bank alongside it. This practice has meant that the name may be given to either the excavation or to
4017-791: The catchwater drain , Car Dyke, to the South Forty Foot Drain in Lincolnshire (TF1427). The Weir Dike is a soak dike in Bourne North Fen , near Twenty and alongside the River Glen , Lincolnshire . In the Norfolk and Suffolk Broads , a dyke may be a drainage ditch or a narrow artificial channel off a river or broad for access or mooring, some longer dykes being named, e.g., Candle Dyke. In parts of Britain , particularly Scotland and Northern England ,
4120-441: The 1960s until the 2000s, Rotterdam had a thriving squatters movement , which not only accommodated thousands of people, but also created social centres and cultural venues. From this movement came clubs like Boogjes, Eksit, Nighttown, Vlerk and Waterfront. A major reference is Poortgebouw , which was squatted in 1980 and quickly legalised. Rotterdam also became the home of Gabber , a type of hardcore electronic music popular in
4223-517: The 2009 rankings of Masters of Management, the school reached first place with the CEMS Master in Management and the tenth place with its RSM Master in Management. The university is also home to Europe's largest student association, STAR Study Association Rotterdam School of Management, Erasmus University and the world's largest student association, AIESEC , has its international office in
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4326-599: The British coordinated espionage in Germany and occupied Belgium. During World War I, an average of 25,000 Belgian refugees lived in the city, as well as hundreds of German deserters and escaped Allied prisoners of war. During World War II , the German army invaded the Netherlands on 10 May 1940. Adolf Hitler had hoped to conquer the country in just one day, but his forces met unexpectedly fierce resistance. The Dutch army
4429-791: The European continent and overseas. From Rotterdam, goods are transported by ship, river barge, train or road. In 2007, the Betuweroute , a new fast freight railway from Rotterdam to Germany , was completed. Well-known streets in Rotterdam are the Lijnbaan (the first set of pedestrian streets of the country, opened in 1953), the Hoogstraat, the Coolsingel with the city hall, which was renovated between 2018 and 2021 giving cyclists and pedestrians more space, meaning that car traffic
4532-587: The Jews who were deported via Loods 24 were murdered in Sobibór and Auschwitz-Birkenau . Research in 2000 showed that 144 people survived the deportations. In 2013 the Jewish Children's Monument [ nl ] was unveiled. In January 1948, Queen Wilhelmina presented the motto 'Sterker door strijd' (Stronger through effort) as part of the coat of arms of Rotterdam to the city government: ...as
4635-638: The Mississippi, stretching from Cape Girardeau , Missouri , to the Mississippi delta . They were begun by French settlers in Louisiana in the 18th century to protect the city of New Orleans . The first Louisiana levees were about 90 cm (3 ft) high and covered a distance of about 80 km (50 mi) along the riverside. The U.S. Army Corps of Engineers, in conjunction with the Mississippi River Commission, extended
4738-658: The Nieuwe Maas, although recent urban development has extended the centre to parts of southern Rotterdam known as Kop van Zuid ('the Head of South', i.e. the northern part of southern Rotterdam). From its inland core, Rotterdam reaches the North Sea by a swathe of predominantly harbour area. Built mostly behind dikes, large parts of Rotterdam are below sea level. For instance, the Prins Alexander Polder in
4841-692: The River Rotte ' ) is the second-largest city in the Netherlands after the national capital of Amsterdam . It is in the province of South Holland , part of the North Sea mouth of the Rhine–Meuse–Scheldt delta , via the "New Meuse" inland shipping channel, dug to connect to the Meuse at first and now to the Rhine . Rotterdam's history goes back to 1270, when a dam was constructed in
4944-528: The West-Kruiskade, close to Rotterdam Centraal. Religions in Rotterdam (2013) Christianity is the largest religion in Rotterdam, with 36.3% of the population identifying. The second and third largest religions are Islam (13.1%) and Hinduism (3.3%), while about half of the population has no religious affiliation . Since 1795 Rotterdam has hosted the chief congregation of the liberal Protestant brotherhood of Remonstrants . From 1955 it has been
5047-614: The bank. Thus Offa's Dyke is a combined structure and Car Dyke is a trench – though it once had raised banks as well. In the English Midlands and East Anglia , and in the United States, a dike is what a ditch is in the south of England, a property-boundary marker or drainage channel. Where it carries a stream, it may be called a running dike as in Rippingale Running Dike , which leads water from
5150-670: The cheap labour segment. The city's unemployment rate is 12%, almost twice the national average. Rotterdam is the largest port in Europe , with the rivers Maas and Rhine providing excellent access to the hinterland upstream reaching to Basel, Switzerland and into France. In 2004 Shanghai took over as the world's busiest container port . In 2006, Rotterdam was the world's seventh largest container port in terms of twenty-foot equivalent units (TEU) handled. The port's main activities are petrochemical industries and general cargo handling and transshipment . The harbour functions as an important transit point for bulk materials between
5253-426: The city centre. Rotterdam is diverse, with the demographics differing by neighbourhood. The city centre has a disproportionately high number of single people when compared to other cities, with 70% of the population between the ages of 20 and 40 identifying as single. Those with higher education and higher income live disproportionately in the city centre, as do foreign-born citizens. The municipality of Rotterdam
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#17327718879335356-637: The city of Vancouver , British Columbia , there are levees (known locally as dikes, and also referred to as "the sea wall") to protect low-lying land in the Fraser River delta, particularly the city of Richmond on Lulu Island . There are also dikes to protect other locations which have flooded in the past, such as the Pitt Polder, land adjacent to the Pitt River , and other tributary rivers. Coastal flood prevention levees are also common along
5459-403: The city's music history is the legendary Kralingen Pop Festival , which took place in Rotterdam in 1970 (featuring, among other, Pink Floyd , Jefferson Airplane , The Byrds , Canned Heat , It's a Beautiful Day , and Santana ). The festival was also made into a film, Stamping Ground (dir. George Sluizer). Alternative (music) culture became prominently present in the city in these days. From
5562-680: The city's past. Other museums include the Tax & Customs Museum , the Netherlands Marine Corps Museum , Rotterdam Public Transport Museum and the Natural History Museum . In 2025 'Fenix, Museum for Migration' will be opened. The first municipal library of Rotterdam was founded in 1604. The current Bibliotheek Rotterdam (Public library), was established in 1869, and is currently the largest cultural organization in Rotterdam, with fifteen branches across
5665-443: The city. The Rotterdam City Archives ( Stadsarchief Rotterdam ) was established in 1857. Here one can find administrative records and sources about the city's historical development. The archival holdings include, among other, general archives, notarial deeds, an audiovisual collection, and a library. Rotterdam has a long tradition of popular music, including the city's Jazz scene before and after WWII. A major historical moment in
5768-740: The city. The Willem de Kooning Academy is Rotterdam's main art school, which is part of the Hogeschool Rotterdam. It is regarded as one of the most prestigious art schools in the Netherlands and the number 1 in Advertising and Copywriting. Part of the Willem de Kooning Academy is the Piet Zwart Institute for postgraduate studies and research in Fine Art, Media Design and Retail Design. The Piet Zwart Institute boasts
5871-697: The construction of Rotterdam's second underground line interfered with the Rotte's course, its waters have been pumped through a pipe into the Nieuwe Maas via the Boerengat. Between the summers of 2003 and 2008, an artificial beach was created at the Boompjeskade along the Nieuwe Maas, between the Erasmus Bridge and the Willems Bridge. Swimming was not possible, digging pits was limited to
5974-407: The construction of dikes well attested as early as the 11th century. The 126-kilometer-long (78 mi) Westfriese Omringdijk , completed by 1250, was formed by connecting existing older dikes. The Roman chronicler Tacitus mentions that the rebellious Batavi pierced dikes to flood their land and to protect their retreat (70 CE ). The word dijk originally indicated both the trench and
6077-421: The development of systems of governance in early civilizations. However, others point to evidence of large-scale water-control earthen works such as canals and/or levees dating from before King Scorpion in Predynastic Egypt , during which governance was far less centralized. Another example of a historical levee that protected the growing city-state of Mēxihco-Tenōchtitlan and the neighboring city of Tlatelōlco,
6180-479: The earth together. On the land side of high levees, a low terrace of earth known as a banquette is usually added as another anti-erosion measure. On the river side, erosion from strong waves or currents presents an even greater threat to the integrity of the levee. The effects of erosion are countered by planting suitable vegetation or installing stones, boulders, weighted matting, or concrete revetments . Separate ditches or drainage tiles are constructed to ensure that
6283-417: The feminine past participle of the French verb lever , 'to raise'). It originated in New Orleans a few years after the city's founding in 1718 and was later adopted by English speakers. The name derives from the trait of the levee's ridges being raised higher than both the channel and the surrounding floodplains. The modern word dike or dyke most likely derives from the Dutch word dijk , with
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#17327718879336386-414: The foundation does not become waterlogged. Prominent levee systems have been built along the Mississippi River and Sacramento River in the United States , and the Po , Rhine , Meuse River , Rhône , Loire , Vistula , the delta formed by the Rhine, Maas/Meuse and Scheldt in the Netherlands and the Danube in Europe . During the Chinese Warring States period , the Dujiangyan irrigation system
6489-407: The heart of Western Europe, including the highly industrialized Ruhr . The extensive distribution system including rail, roads, and waterways have earned Rotterdam the nicknames "Gateway to Europe" and "Gateway to the World". The settlement at the lower end of the fen stream Rotte (or Rotta , as it was then known, from rot , "muddy" and a , "water", thus "muddy water") dates from at least
6592-432: The height of the layer of sand , about 50 cm (20 in). Alternatively, people go to the beach of Hook of Holland (which is a Rotterdam district) or one of the beaches in Zeeland : Renesse or the Zuid Hollandse Eilanden: Ouddorp , Oostvoorne . Rotterdam forms the centre of the Rijnmond conurbation, bordering the conurbation surrounding The Hague to the north-west. The two conurbations are close enough to be
6695-450: The impact is two-fold, as reduced recurrence of flooding also facilitates land-use change from forested floodplain to farms. In a natural watershed, floodwaters spread over a landscape and slowly return to the river. Downstream, the delivery of water from the area of flooding is spread out in time. If levees keep the floodwaters inside a narrow channel, the water is delivered downstream over a shorter time period. The same volume of water over
6798-404: The inland coastline behind the Wadden Sea , an area devastated by many historic floods. Thus the peoples and governments have erected increasingly large and complex flood protection levee systems to stop the sea even during storm floods. The biggest of these are the huge levees in the Netherlands , which have gone beyond just defending against floods, as they have aggressively taken back land that
6901-525: The invasion three days earlier. The City Hall survived the bombing. Ossip Zadkine later attempted to capture the event with his statue De Verwoeste Stad ('The Destroyed City'). The statue stands near the Leuvehaven, not far from the Erasmusbrug in the centre of the city, on the north shore of the river Nieuwe Maas. In 1941, 11,000 Jews still lived in Rotterdam. Before the war there were 13,000. Between 30 July 1942, and 22 April 1943, 6,790 people were deported in 8 transports via Loods 24. The vast majority of
7004-549: The laboratory tests, empirical correlations related to average overtopping discharge were derived to analyze the resistance of levee against erosion. These equations could only fit to the situation, similar to the experimental tests, while they can give a reasonable estimation if applied to other conditions. Osouli et al. (2014) and Karimpour et al. (2015) conducted lab scale physical modeling of levees to evaluate score characterization of different levees due to floodwall overtopping. Another approach applied to prevent levee failures
7107-428: The last 50 years of architecture in a blender, and spat it out in building-sized chunks across the skyline, you would probably end up with something that looked a bit like Rotterdam". Rotterdam is divided into a northern and a southern part by the river Nieuwe Maas, connected by (from west to east): the Beneluxtunnel; the Maastunnel ; the Erasmusbrug ; a subway tunnel; the Willemsspoortunnel ('Willems railway tunnel');
7210-471: The levee system beginning in 1882 to cover the riverbanks from Cairo, Illinois to the mouth of the Mississippi delta in Louisiana. By the mid-1980s, they had reached their present extent and averaged 7.3 m (24 ft) in height; some Mississippi levees are as high as 15 m (50 ft). The Mississippi levees also include some of the longest continuous individual levees in the world. One such levee extends southwards from Pine Bluff , Arkansas , for
7313-420: The levee. A breach can leave a fan-shaped deposit of sediment radiating away from the breach, described as a crevasse splay . In natural levees, once a breach has occurred, the gap in the levee will remain until it is again filled in by levee building processes. This increases the chances of future breaches occurring in the same location. Breaches can be the location of meander cutoffs if the river flow direction
7416-475: The levees in the area, created for the purpose of farming the fertile tidal marshlands. These levees are referred to as dykes. They are constructed with hinged sluice gates that open on the falling tide to drain freshwater from the agricultural marshlands and close on the rising tide to prevent seawater from entering behind the dyke. These sluice gates are called " aboiteaux ". In the Lower Mainland around
7519-518: The main centres of the shipping industry in the Netherlands. From the Rotterdam Chamber of the VOC , the world's first multinational, established in 1602, to the merchant shipping leader Royal Nedlloyd established in 1970, with its corporate headquarters located in the landmark building the 'Willemswerf' in 1988. In 1997, Nedlloyd merged with the British shipping industry leader P&O forming
7622-543: The main channel, this will make levee overtopping more likely again, and the levees can continue to build up. In some cases, this can result in the channel bed eventually rising above the surrounding floodplains, penned in only by the levees around it; an example is the Yellow River in China near the sea, where oceangoing ships appear to sail high above the plain on the elevated river. Levees are common in any river with
7725-445: The majority of The Lake being drained in the 17th century. Levees are usually built by piling earth on a cleared, level surface. Broad at the base, they taper to a level top, where temporary embankments or sandbags can be placed. Because flood discharge intensity increases in levees on both river banks , and because silt deposits raise the level of riverbeds , planning and auxiliary measures are vital. Sections are often set back from
7828-443: The mid-1990s, with hard beats and samples. Groups like Neophyte and Rotterdam Terror Corps (RTC) started in Rotterdam, playing at clubs like Parkzicht. In the years 2005–2011, the city struggled with keeping venues for pop music; many of them suffered severe financial problems. This resulted in the disappearance of the major music venues Nighttown and WATT and smaller stages such as Waterfront, Exit, and Heidegger. The city today has
7931-667: The next 2 decades, reaching 560,000 by 1985. Although Rotterdam has experienced population growth since then, it has done so at a slower pace than comparable cities in the Netherlands, like Amsterdam, The Hague and Utrecht. Rotterdam consists of 14 submunicipalities: Centrum , Charlois (including Heijplaat), Delfshaven , Feijenoord , Hillegersberg-Schiebroek , Hook of Holland , Hoogvliet , IJsselmonde , Kralingen-Crooswijk , Noord , Overschie , Pernis , and Prins Alexander (the most populous submunicipality with around 85,000 inhabitants). One other area, Rozenburg , does have an official submunicipality status since 18 March 2010. Since
8034-414: The northeast of Rotterdam extends 6 m (20 ft) below sea level, or rather below Normaal Amsterdams Peil (NAP) or 'Amsterdam Ordnance Datum'. The lowest point in the Netherlands (6.76 m (22.2 ft) below NAP) is situated just to the east of Rotterdam, in the municipality of Nieuwerkerk aan den IJssel . The Rotte river no longer joins the Nieuwe Maas directly. Since the early 1980s, when
8137-399: The ocean migrating inland, and salt-water intruding into freshwater aquifers. Where a large river spills out into the ocean, the velocity of the water suddenly slows and its ability to transport sand and silt decreases. Sediments begin to settle out, eventually forming a delta and extending to the coastline seaward. During subsequent flood events, water spilling out of the channel will find
8240-642: The old environment had to be reshaped. Daring and new styles of apartments , office buildings and recreation facilities resulted in a more ' livable ' city centre with a new skyline. In the 1990s, the Kop van Zuid was built on the south bank of the river as a new business centre. Rotterdam was voted 2015 European City of the Year by the Academy of Urbanism. A profile of Rem Koolhaas in The Guardian begins "If you put
8343-484: The overtopping water impinges the levee. By analyzing the results from EFA test, an erosion chart to categorize erodibility of the soils was developed. Hughes and Nadal in 2009 studied the effect of combination of wave overtopping and storm surge overflow on the erosion and scour generation in levees. The study included hydraulic parameters and flow characteristics such as flow thickness, wave intervals, surge level above levee crown in analyzing scour development. According to
8446-757: The pioneers of the Dutch slave trade ". From the 17th century until 1814, when the United Netherlands abolished the Netherland's involvement in the slave trade at the request of the British government , Dutch slave ships from Rotterdam sailed to Africa and the Americas as part of the triangular trade . Rotterdam merchants also sold significant quantities of gunpowder to Zeeland -based slave ships. The port of Rotterdam grew slowly but steadily into
8549-551: The post-war era, such as Steady! (Van der Horst, 1952), and all kinds of fiction films. Of major importance within this context has also been the International Film Festival Rotterdam (IFFR), an annual event that lasts more than ten days (end of January, beginning of February), which has been organized since 1972. Besides the IFFR, several smaller film festivals take place in Rotterdam too, such as
8652-458: The purpose of impoldering, or as a boundary for an inundation area. The latter can be a controlled inundation by the military or a measure to prevent inundation of a larger area surrounded by levees. Levees have also been built as field boundaries and as military defences . More on this type of levee can be found in the article on dry-stone walls . Levees can be permanent earthworks or emergency constructions (often of sandbags ) built hastily in
8755-413: The river floodplains immediately adjacent to the cut banks. Like artificial levees, they act to reduce the likelihood of floodplain inundation. Deposition of levees is a natural consequence of the flooding of meandering rivers which carry high proportions of suspended sediment in the form of fine sands, silts, and muds. Because the carrying capacity of a river depends in part on its depth, the sediment in
8858-440: The river to form a wider channel, and flood valley basins are divided by multiple levees to prevent a single breach from flooding a large area. A levee made from stones laid in horizontal rows with a bed of thin turf between each of them is known as a spetchel . Artificial levees require substantial engineering. Their surface must be protected from erosion, so they are planted with vegetation such as Bermuda grass in order to bind
8961-538: The river. It is usually earthen and often runs parallel to the course of a river in its floodplain or along low-lying coastlines. Naturally occuring levees form on river floodplains following flooding, where sediment and alluvium is deposited and settles, forming a ridge and increasing the river channel's capacity. Alternatively, levees can be artificially constructed from fill , designed to regulate water levels. In some circumstances, artificial levees can be environmentally damaging . Ancient civilizations in
9064-575: The riverbed, even up to a point where the riverbed is higher than the adjacent ground surface behind the levees, are found for the Yellow River in China and the Mississippi in the United States. Levees are very common on the marshlands bordering the Bay of Fundy in New Brunswick and Nova Scotia , Canada . The Acadians who settled the area can be credited with the original construction of many of
9167-647: The seat of the Catholic bishop of Rotterdam when the Rotterdam diocese was split from the Haarlem diocese . Since 2010 the city is home to the largest mosque in the Netherlands, the Essalam Mosque [ nl ] (capacity 1,500). The municipal council consists of 45 members, the largest party is Livable Rotterdam . The municipal executive consists of mayor Carola Schouten and nine elderman, belonging to four parties. Rotterdam has always been one of
9270-530: The services of semi-government companies Roteb (to take care of sanitation , waste management and assorted services) and the Port of Rotterdam Authority (to maintain the Port of Rotterdam ). Both these companies were once municipal bodies; now they are autonomous entities, owned by the city. Being the largest port and one of the largest cities of the country, Rotterdam attracts many people seeking jobs, especially in
9373-404: The soil to better resist instability. Artificial levees can lead to an elevation of the natural riverbed over time; whether this happens or not and how fast, depends on different factors, one of them being the amount and type of the bed load of a river. Alluvial rivers with intense accumulations of sediment tend to this behavior. Examples of rivers where artificial levees led to an elevation of
9476-803: The south bank of the river. The Witte Huis or White House skyscraper, inspired by American office buildings and built in 1898 in the French Art Nouveau style , is evidence of Rotterdam's rapid growth and success. When completed, it was the tallest office building in Europe, with a height of 45 m (147.64 ft). During World War I , the city was the world's largest spy centre because of Dutch neutrality and its strategic location between Britain, Germany and German-occupied Belgium. Many spies who were arrested and executed in Britain were led by German secret agents operating from Rotterdam. MI6 had its main European office on de Boompjes. From there
9579-719: The south of Rotterdam is Zuidplein, which lies close to Rotterdam Ahoy , an accommodation centre for shows, exhibitions, sporting events, concerts and congresses. Another prominent shopping centre called Alexandrium lies in the east of Rotterdam. It includes a large kitchen and furniture centre. Rotterdam has one major university, the Erasmus University Rotterdam (EUR), named after one of the city's famous former inhabitants, Desiderius Erasmus . The Woudestein campus houses (among others) Rotterdam School of Management, Erasmus University . In Financial Times ' 2005 rankings it placed 29th globally and 7th in Europe. In
9682-455: The status of a submunicipality was lifted on 19 March 2014, it became an integral part of the municipality of Rotterdam. The size of the municipality of Rotterdam is the result of the amalgamation of the following former municipalities, some of which were a submunicipality prior to 19 March 2014: In the Netherlands, Rotterdam has the highest percentage of residents with a recent migration background from non-industrialised nations. They form
9785-677: The third largest merchant shipping company in the world. The Anglo-Dutch P&O Nedlloyd was bought by the Danish giant corporation 'AP Moller Maersk ' in 2005 and its Dutch operations are still headquartered in the 'Willemswerf'. Nowadays, well-known companies with headquarters in Rotterdam are consumer goods company Unilever (since 2020 London), asset management firm Robeco , energy company Eneco , dredging company Van Oord , oil company Royal Dutch Shell (since 2021 London ), terminal operator Vopak , commodity trading company Vitol and architecture firm Office for Metropolitan Architecture . It
9888-494: The water which is over the flooded banks of the channel is no longer capable of keeping the same number of fine sediments in suspension as the main thalweg . The extra fine sediments thus settle out quickly on the parts of the floodplain nearest to the channel. Over a significant number of floods, this will eventually result in the building up of ridges in these positions and reducing the likelihood of further floods and episodes of levee building. If aggradation continues to occur in
9991-470: The world in the field of medicine (clinical, pre-clinical & health, 2017). Three Hogescholen (Universities of applied sciences) exist in Rotterdam. These schools award their students a professional Bachelor's degree and postgraduate or Master's degree . The three Hogescholen are Hogeschool Rotterdam , Hogeschool Inholland and Codarts University for the Arts (Codarts hogeschool voor de kunsten),
10094-469: The year 950. Around 1150, large floods in the area ended development, leading to the construction of protective dikes and dams, including Schielands Hoge Zeedijk ("Schieland's High Sea Dike") along the northern banks of the present-day Nieuwe Maas river. A dam on the Rotte was built in the 1260s and was located at the present-day Hoogstraat ("High Street"). On 7 July 1340, Count Willem IV of Holland granted city rights to Rotterdam, which then had
10197-722: Was European Capital of Culture in 2001. Rotterdam has various cultural institutions. Well-known museums are the Museum Boijmans Van Beuningen , Het Nieuwe Instituut , the Wereldmuseum , the Kunsthal , Kunstinstituut Melly and the Maritime Museum Rotterdam . The Historical Museum Rotterdam has changed into Museum Rotterdam , which aims to exhibit the development of Rotterdam as a contemporary transnational city, and not merely
10300-642: Was built by the Qin as a water conservation and flood control project. The system's infrastructure is located on the Min River , which is the longest tributary of the Yangtze River , in Sichuan , China . The Mississippi levee system represents one of the largest such systems found anywhere in the world. It comprises over 5,600 km (3,500 mi) of levees extending some 1,000 km (620 mi) along
10403-488: Was constructed during the early 1400s, under the supervision of the tlahtoani of the altepetl Texcoco, Nezahualcoyotl. Its function was to separate the brackish waters of Lake Texcoco (ideal for the agricultural technique Chināmitls ) from the fresh potable water supplied to the settlements. However, after the Europeans destroyed Tenochtitlan, the levee was also destroyed and flooding became a major problem, which resulted in
10506-459: Was forced to capitulate on 15 May 1940, following the bombing of Rotterdam on 14 May and the threat of bombing other Dutch cities. The heart of Rotterdam was almost completely destroyed by the Luftwaffe . Some 80,000 civilians were made homeless and 900 were killed; a relatively low number since many had fled the city because of the warfare and bombing going on in Rotterdam since the start of
10609-717: Was reduced from 4 lanes (2 in each direction) to 2 lanes (1 in each direction). Another mainstreet is the Weena , which runs from the Central Station to the Hofplein (square). A modern shopping venue is the Beurstraverse ("Stock Exchange Traverse"), better known by its informal name ' Koopgoot ' ('Buying/Shopping Gutter', after its subterranean position), which crosses the Coolsingel below street level. The Kruiskade
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