Searched for: subject:"Siltation"
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Bakker, Floor (author)
To exploit its socio-economic functions, engineering measures are regularly applied in estuaries. Estuaries are, however, known to be very complex systems. Stemming from this complexity is the generation of a so-called estuarine turbidity maximum (ETM), which poses great siltation problems to the engineering measures. An engineering measure,...
master thesis 2020
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Tempel, Auke (author)
Regular maintainance dredging is a large expense to the Port of Rotterdam, therefore the installation of sediment traps is considered. By increasing the bathymetry locally, an increase of local accumulation is expected and a decrease deeper in the harbour basin. This thesis describes the functioning of sediment traps in a stratified tidally...
master thesis 2019
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de Groot, Sjoerd (author)
This Master thesis presents an improved model for the transport of fine suspended sediment (SPM) in the Rhine region of fresh water influence (ROFI) and in the Port of Rotterdam. It is known that the transport of SPM in the Rotterdam harbor depends on marine as well as fluvial processes. SPM transport inside the harbor has been modelled in the...
master thesis 2018
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Keulers, Bob (author)
The typically mild slopes of the muddy coastline in the south of Myanmar, enable the tide to propagate deep into the mainland, carrying muddy and saline water. The Nga Moe Yeik Creek (a tributary of the Yangon River) is closed off at the upstream end during the dry season and is subject to high siltation rates. Extensive dredging is necessary to...
master thesis 2018
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van der Zee, Wessel (author)
Flushing basins have been used at several locations in Germany, Belgium, and the Netherlands in the past centuries to maintain the navigational depths of harbour channels. These locations are not in use anymore or are only partly responsible for channel maintenance. This thesis encompasses a study to optimize the geometric parameters of a...
master thesis 2017
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Tomasoni Speranzini, Belisa (author)
This thesis investigates the origins of large sedimentation volumes in the Port of Santos, São Paulo - Brazil. The port is located in the Santos - São Vicente estuarine system, delimited by scarps and subject to intense rainfall. The terminals are placed inside the estuary and their access is provided by a 24 km long channel with mean depths of...
master thesis 2017
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Everts, P.S. (author), Julianus, E.J.B. (author), Marijnissen, M. (author), Voorend, S.J.M. (author)
At the southern coast of Sri Lanka a small fishery harbour is located in Hambantota. Soon after construction of the harbour in 2006 the harbour started silting up at various places. From that point onwards the harbour’s basin has been dredged multiple times, but the problem turned out to be structural. In addition breaking waves are encountered...
student report 2014
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Gan, S.W. (author)
Coastal erosion is greatly accelerated by the presence of agriculture and aquaculture activities (oil palm plantation or shrimp farming involving the construction of earth bunds) in the natural process. Earth bunds or dykes are constructed to prevent entrainment of seawater into the agriculture area behind the bunds so as to protect these...
master thesis 2014
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Umapathy, S. (author)
The study focuses on the impact of human interventions on the natural behaviour of estuaries in response to sea-level rise. In particular it focuses on the affect of managed realignment on the critical sea level rise (SLRcrit) for the Poole Harbour. Numerical model ASMITA (Aggregated Scale Morphological Interaction between a Tidal inlet and the...
master thesis 2009
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Castillo Rodriguez, J.T. (author)
The use of pile groynes to reduce sediment exchange between river and harbour Introduction To reduce siltation in harbours located in rivers or waterways in order to decrease the high costs of dredging and maintenance of its basins, a need of searching measures to decrease the sediment exchange between river and harbour arises. Research One of...
master thesis 2008
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Hofland, B. (author), Van Leeuwen, C.W. (author)
Siltation is a serious problem for harbours situated on tidal rivers and estuaries. Maintenance dredging is necessary on a regular basis to guarantee safe navigation and is often a large cost factor. A means to prevent sediment from entering a harbour is the Current Deflecting Wall (CDW), which passively alters the water exchange at the harbour...
master thesis 1999
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De Vries, J.F. (author)
In scheepvaartkanalen worden er steeds meer natuurvriendelijke oevers aangelegd. Dit zijn oevers die bestaan uit een vooroever en een daarachter gelegen natte strook of plasberm. In de vooroever zitten openingen die dienen om vers water vanuit het kanaal naar de natte strook te laten stromen om ongewenste effecten van stilstaand water te...
master thesis 1998
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Rabbers, H.H. (author)
Het Sieperdaschor is ontstaan uit de voormalige Selenapolder, nadat in februari '90 tijdens een zware storm de zomerkade is doorgebroken. Reparatie bleek te kostbaar en daarom is in overleg met Zeeuws Landschap besloten om de dijk niet te herstellen. Dit bood een goede gelegenheid om de ontwikkeling van polder tot schor te onderzoeken. Dit mede...
master thesis 1998
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Bierens, R. (author)
Rijkswaterstaat and the Dutch contractors have many years of experience in the removal of silt and sand from the Rotterdam harbour. In all those years a great deal of valuable experience has been gained with the behaviour of silt in the harbour. They never succeeded, however in making an estimation/prediction of the amount of sedimentation which...
master thesis 1997
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Van den Berge, A. (author)
Havens gelegen aan stroomvoerende waterwegen ondervinden last van aanslibbing. Om te voorkomen dat de havens dichtslibben moet er vaak gebaggerd worden. Doordat de laatste jaren de wetgeving voor de behandeling van baggerspecie is verscherpt, worden de kosten voor de jachthavenbeheerders steeds hoger. Hierom is er een landelijk onderzoek gestart...
master thesis 1997
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Bos, G. (author)
master thesis 1997
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Brans, R.P. (author)
In this report a prediction has been made for the influence of water depth in the Musi river on the shipping costs for vessels that call the harbour of Palembang. To this day shallow parts remain in the navigation channel. Due to these shallow parts vessels often have to postpone their entry of the Musi river until the tide provides enough depth...
master thesis 1997
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Van Schijndel, S.A.H. (author)
Vermindering door aanpassing van de vormgeving van jachthavens 't Steel en la Bonne Aventure. Jachthavens aan rivieren slibben steeds verder dicht. AIs gevolg hiervan lopen de kosten voor het beheer van een dergelijke haven zo hoog op dat enkele havens misschien zelfs moeten sluiten. Daarom is er landelijk een onderzoek gestart om te bezien of...
master thesis 1997
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Kriele, H.O. (author)
The 5,464 km long Yellow River (Chinese: Huang He) is the second longest river of the Peoples Republic of China. Its source is in Qinghai-Tibet Plateau and empties after serving an agricultural population of over 126 million people in the Bohai Bay. The main characteristic of the Yellow River is the extremely high sediment load which causes the...
master thesis 1996
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Sonke, E. (author)
Op basis van periodiek uitgevoerde lodingen en dichtheidsmetingen uit de periode 1994-1995 is in dit rapport meer kennis over het gedrag van sliblagen en de dichtheidsopbouw van deze lagen in de Maasmond en het Caland-Beerkanaal verkregen. De probleemstelling luidde als volgt : Hoe verschilt de dichtheidsopbouw van sliblagen per peiling en/of ...
master thesis 1996
Searched for: subject:"Siltation"
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