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van Zaal, C.J. (author)
To protect the hinterland, flood defences are often located on the border between water and land. This same border however is also an attractive place to live, which may hamper improvement of flood protections. Closing off a tidal (river) system, especially in case of little discharge, may in this case be a logical consideration. This would...
master thesis 2017
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van Til, S.W. (author)
The fairway connecting Holwerd and Nes forms the main transport route between Friesland and Ameland (the Dutch Wadden Sea). It consists of several tidal channels that funnel the majority of the tidal currents propagating through the tidal basin. Over the past decades, several channel bends have expanded leading to a fairway length-increase of...
master thesis 2017
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Boersen, S.J.M. (author)
In many coastal seas, wind-generated waves produce a strong bottom orbital velocity which stirs up sand from the bottom. This process strongly influence sediment transport and bottom evolution. State-of-the-art morphodynamic models traditionally represent the stirring of sand by irregular waves in a highly parametric way. For instance, the...
master thesis 2017
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Heemskerk, P.W.M. (author)
The Tilting Lock is an innovative solution for locations where road traffic crosses marine traffic overhead by a bridge. The occurrence of traffic jams at a bridge during the passage of vessels can be reduced by the construction of a Tilting Lock. By 'submerging' the vessels in the Tilting Lock underneath the bridge, the Tilting Lock increases...
master thesis 2016
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Bruins, R.J. (author)
To counteract relative sea level rise, Rijkswaterstaat nourishes the Dutch coast with sand. This sand spreads out over the shoreface zone, beach and dunes. One of the nourishment types is the shoreface nourishment. In this thesis, data of historical shoreface nourishments along the Dutch coast is analysed to find the factors that influence this...
master thesis 2016
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Suh Heo, H.Y. (author)
Various flood protection measures are studied across the globe, and nature-friendly and environmentally resilient methods are gaining more attention. As part of the building with nature initiative, the project BE SAFE (Bio-Engineering for SAFEty) studies the effects of a vegetated foreshore as a flood protection measure which is found to be very...
master thesis 2016
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Willemsen, G. (author)
The objective of this study is to identify the mechanisms that drive the morphodynamic behaviour of the sediment disposals in the subtidal zone north of the intertidal shoal Walsoorden. The morphological development of the sediment in the subtidal zone near this shoal has been monitored and measured. The gathered bathymetric data show that one...
master thesis 2016
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Platell, H. (author)
In dit onderzoek is aandacht besteed aan de gravitatie circulatie in de Waddenzee. Daarbij is de vraag of dit een rol kan spelen bij sedimenttransport. De gravitatie circulatie is een stroming die bovenin de waterkolom een andere stromingsrichting kent dan onderin en ontstaat doordat het water niet een uniforme dichtheid kent in het bekken....
bachelor thesis 2016
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Kurniawan, V. (author)
The existence of tidal flat is beneficial for human beings, but it faces the risk of being vanished by continuous intervention, either by nature or human. Therefore, researches about tidal-flat’s morphodynamics are required for the sake of its preservation. Here, the subject of the research is the Kapellebank tidal flat in the Westerschelde...
master thesis 2016
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Van Schaick, S.J. (author)
The overall behaviour of the tide-dominated Western Scheldt is in general well known. Its multichannel-system consists of ebb and flood channels, separated by intertidal areas; the tidal flats. The estuary shows a dynamic behaviour of erosion and sedimentation of the tidal flats. A large flow slide occurred at the tidal flat of Walsoorden in...
master thesis 2015
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Van der Leer, N.A. (author)
In the last century, various tidal rivers in Europe have seen a large tidal amplication, which is believed to be caused by the deepening and channelization of these rivers. Additionally, large increases in suspended sediment concentrations induced by flood dominance are thought to have decreased the effective hydraulic drag, enhancing further...
master thesis 2015
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Groenenboom, J. (author)
The tide-dominated Scheldt estuary is located in the southwest of the Netherlands. From the Dutch-Belgian border seawards, it consists of a system of channels and shoals and an ebb-tidal delta facing the North Sea. The behaviour of non-cohesive (sand) and cohesive (mud) sediment particles in the area are (until now) generally studied using...
master thesis 2015
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Steegers, K.A.P. (author)
Deltas are of great importance to humans all over the world. They are densely populated coastal areas, where land arises from sea. An amazing gradient where two worlds meet and nature and humans proliferate traditionally. Yet this gradient increasingly disappears due to the great technical advances since the 19th century, which tried to control...
master thesis 2015
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Broekema, Y.B. (author)
In this study a modelling approach was investigated that takes into account the effect of short wave grouping on long wave motions, calculating sediment transport and morphology with multiple fractions and a layered bed stratigraphy. After extensive testing and validating this model using data collected in a wave flume in Hannover this model was...
master thesis 2015
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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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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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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 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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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 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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