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De Nijs, M.A.J. (author)
master thesis 2003
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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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Van Damme, M. (author)
Extracellular Polymeric Substance is found to be responsible for the stabilizing behaviour of biofilms on sediment, but studies disagree on how this stabilizing effect is achieved and what processes are involved in making an EPS biofilm shear off. This study answers the question how the biofilms achieve the stabilizing effect and what processes...
master thesis 2009
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Egon, A. (author)
Coral reefs are highly diverse ecosystems that provide food, income, and coastal protection for hundreds of millions of coastal dwellers. They are found in tropical and semi tropical areas spread throughout South-east Asia, the Caribbean, the Indonesian archipelago, on Australian coasts and in the Pacific islands. Coral reefs are subject to both...
master thesis 2009
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Kemp, L. (author)
The Colorado River in the Grand Canyon area has a lot of sandbars but they are eroding. Since the building of the Glen Canyon Dam and the Hoover Dam in the 1960s, sediment is trapped in the upstream lake. The inflow of water is clear, cold and nearly sediment free. The only noticeable remaining inflow of sediment in the Colorado River is by two...
master thesis 2010
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Van den Heuvel, S. (author)
The area of New Orleans was hit by Hurricane Katrina in August 2005. A large part of the city got flooded due to bad design, construction and maintenance of the levee system. In order to increase the level of protection of the city, the levees are heightened and strengthened in the framework of the Hurricane and Storm Damage and Risk Reduction...
master thesis 2010
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Lee, E.K.H. (author)
In opdracht van het Recreatieschap Westfriesland werd een onderzoek gestart naar het verzandingsprobleem in de vluchthaven Wijdenes. De vluchthaven kampte jarenlang met verzandingsproblemen en er zijn diverse onderzoeken en aanpassingen uitgevoerd, maar het probleem is nog steeds niet verholpen. Door de verscherpte wetgeving in 2008, zijn de...
master thesis 2011
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Vroom, J. (author)
In this thesis the position of tidal divides is studied by means of a simplified model and the Dutch Wadden Sea. To study the parameters influencing the location of the tidal divide, two basins are schematized to a rectangular channel with at each side an incoming tidal wave. These two incoming waves can differ in amplitude and have phase...
master thesis 2011
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Ballendux, V.W.H.M. (author)
master thesis 2011
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Scheel, F. (author)
Tidal inlet systems, as found in the Dutch Wadden Sea, often feature both sand and mud. Due to differences in sediment properties, sand and mud particles respond different to identical forcing conditions, like short waves and tidal currents. Because of this, sand and mud can get transported to different locations. This process is referred to by...
master thesis 2012
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Bogaard, T. (author)
In this study the focus is on modelling turbulence anisotropy in open channel flows with the SWASH model. Turbulence anisotropy significantly influences the flow features of: channel flows with heterogeneous roughness conditions, curved open channel flows, compound channel flows with different floodplain depths, etc. The SWASH model is a non...
master thesis 2012
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De Bruijn, R.A. (author)
After the storm surge of 1953, the Dutch Delta project was initiated in order to protect the southwestern part of The Netherlands. A storm surge barrier in front of the Oosterschelde and various dams at the back of the estuary were constructed. These interventions led to a large change of the hydrodynamics of the Oosterschelde: a large decrease...
master thesis 2012
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Voermans, J.J. (author)
Little research was done in the past concerning the propagation of three dimensional effect in shallow wake flow caused by a roughness patch. Today’s research on related subjects is dominated by emerging obstructions in shallow water where the flow can be assumed as (quasi) two dimensional. However the relevance of a submerged obstruction with...
master thesis 2013
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Kruijt, M. (author)
Groynes are commonly used in the major rivers in the Netherlands. They confine the flow of the river to a main channel but also act as resistance element once submerged and in that way influence the stage discharge relationship of the river. Several formulas exist describing groynes as a drag resistance. Another possible way of determining their...
master thesis 2013
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Van Cuyck, T.A.P. (author)
De ecologische kwaliteit van het Markermeer is de laatste decennia sterk achteruit gegaan. De oorzaak hiervan is dat door de afsluiting van het Markermeer met de Houtribdijk een ondiep meer is ontstaan met een bodem van klei waarin een dynamische sliblaag aanwezig is. Al bij lage windsnelheden ontstaan golven die erosie van deze sliblaag...
master thesis 2013
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Attema, Y.H. (author), Hendriks, H.C.M. (author)
In 2013 and 2014, a hydrodynamic model for the Ayeyarwady delta was developed. This delta is located in the Southwestern part of Myanmar. Because it is prone to flooding and is also affected by salt intrusion during periods of low river discharge, it was chosen to develop a hydrodynamic model to gain more insight into the aforementioned...
student report 2014
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Van Grunsven, F. (author)
This report concerns the experimental validation of recent numerical predictions of pipe blockage during the vertical hydraulic transport of ore for the deep sea mining industry. A hydraulic circuit, incorporating an 8.5 m riser pipe of 99.4 mm inner diameter, was built to identify and quantify the dominant transport mechanisms during conveying,...
master thesis 2014
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Visser, A.H. (author)
Several programs have been written to process laser scan data from two shoals in the Netherlands. The first makes a grid of heights, the second calculates deformations and makes plots. The third utilises a variogram to obtain information about the amplitude, direction and wavelength of tidal ripples, which are processed and plotted by a fourth...
bachelor thesis 2014
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Van der Zwaag, J. (author)
The sediment composition of the sea bed is of relevance for various coastal properties such as bed forms, beach slopes and marine ecology. Furthermore it may significantly influence the morphological evolution of the coast. Knowledge about the processes forcing the spatial distribution of a certain grain size is therefore of great importance....
master thesis 2014
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Attema, Y.H. (author)
The interaction between vegetation and the morphodynamics is considered to be an important process in salt marsh formation and succession. Therefore, the contribution of vegetation modelling on the long-term morphological development of salt marshes is assessed by implementing a vegetation growth model in the morphodynamic modelling software...
master thesis 2014
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