Searched for: contributor:"Walstra, D.J.R. (mentor)"
(1 - 20 of 45)

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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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Olij, D.J.C. (author)
In this thesis 6 wave climate reduction methods are described and evaluated. Of these methods, 3 are commonly used in literature and 3 are machine learning methods that are adjusted so that they can be used for the reduction of a wave climate. The evaluation is executed with the use of a Delft3D model of the coast of Durban, South Africa.
master thesis 2015
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Habets, F.C. (author)
Durban is located on the east coast of South Africa in the province of KwaZulu-Natal. It is one of South Africa’s biggest cities and has one of the busiest ports in Africa. To maintain Durban’s current economic position the Durban Port has to expand, which is problematic due to a lack of space. A solution is to develop a completely new port: the...
master thesis 2015
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Chen, F. (author)
Deltaic reservoirs are of great significance in both exploration and production of oil & gas and they have aroused increasing interest during the recent years. Coastal engineering deals with sediment transport on a millisecond and micron scale, while geology deals with sequence stratigraphy on a millenary and 10-100 km scale. However, relatively...
master thesis 2014
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Stuij, S.A. (author)
The Santo André Lagoon is one of many inlets and lagoons that can be found along the along the Atlantic coast of Portugal. These coastal systems have a large ecological value and are important for rich biodiversity. The Santo André Lagoon is part of a natural reserve that is officially under protection of the country. It has a rich flora and...
master thesis 2014
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Van der Biezen, T.F. (author)
Historically, the coastal zone has always attracted people and across the globe the benefits of inlet systems have made communities settle there. The Tu Hien inlet and the Tam Giang–Cau Hai lagoon system in Vietnam are no exception, as approximately half a million people depend on it for their livelihood. Tidal inlets are also known for their...
master thesis 2014
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Sirks, E.E. (author)
A new approach in coastal maintenance is the application of a large scale nourishment as natural feeder of the coast. The Sand Motor constructed near Kijkduin on the Holland Coast is a pilot project of this new nourishment strategy. The objective of this research is to contribute to a better understanding of the sediment transport processes at...
master thesis 2013
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Luteijn, J.M. (author)
Problem definition The city Mar del Plata has one of Argentina's largest ports and biggest seaside beach resort. After the construction of the port, a steadily growing sandbank appeared in the port entrance and considerable erosion occurred on the northern beaches. To warrant the accessibility of the port, frequent maintenance dredging is needed...
master thesis 2013
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Knook, P.P. (author)
The scientific foundation to maintain the Holland Coast shoreward of the -20m depth contour is limited. It is assumed that profile perturbations shoreward of the -20m depth contour influence the coast within a time scale of 50 to 200 years. Hence, seaward of -20m NAP dredging companies are allowed to dredge sand. The dredged material is amongst...
master thesis 2013
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Ekkelenkamp, H.H.M. (author)
The study starts with possible working mechanisms of the tubes within the complex beach system. In addition, huge amounts of data are collected which tells us more about the sedimentology of the beach and soil structure. This data is used later on to study influenced beach processes and morphological change. For this study both the beach near...
master thesis 2012
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Stark, J. (author)
This is a numerical modelling study on the impact of dredging and disposal activities on the long-term morphological development of the Columbia River mouth (MCR). Dredging activities removed 120 Mm3 of sand from the MCR during the studied interval between 1958 and 1999. Only one-third of this volume was disposed in the active littoral zone....
master thesis 2012
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Bergsma, E.W.J. (author)
In 2010, a realignment of the main channel of the Maumusson inlet, France, is observed. This breach of the ebb-delta is observed not long after a severe storm that afflicted the Charente-Maritime region in February 2010; Xynthia. A strong link between the breach and the Xynthia storm is expected: a storm event driven breach. In order to assess...
master thesis 2012
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Flores, J.S. (author)
The stratigraphic and tectonic framework of the Brent Group and their respective depositional environments is well studied and documented in the literature. The lower progradational Brent deltaic sequence is the response of a high sediment supply rate outpacing the accommodation space rate caused by subsidence and an overall sea level rise stage...
master thesis 2011
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Koolen, G.J.H.M. (author)
With the use of the process-based geological model Delft3D a base case model is set up to simulate the Brent delta using Gullfaks field conditions as appeared during the Aalenian and Bajocian periods in the Mid-Jurassic. The aim is to visualize and comprehend the morphology and stratigraphy of the base case upon changing both wave conditions and...
master thesis 2011
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De Siqueira, B.V.P. (author)
Coastal lagoons are shallow coastal water bodies separated from the ocean by a barrier and they support a range of natural services that are highly valued by society, including but not limited to fisheries productivity, storm protection, and tourism. Songkhla lagoon is the largest lagoonal water resource in Thailand and Southeast Asia. The...
master thesis 2011
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Van der Linde, P. (author)
During the fall of 2003, an extensive measurement campaign called the “Nearshore Canyon Experiment” (NCEX) was set up along the coast of La Jolla, California. The project site covered an area in which two submarine canyons are located, respectively La Jolla and Scripps Submarine Canyon. Over 20 institutions collaborated on recording the...
master thesis 2010
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Monden, M. (author)
Due to growing human activity in coastal zones, there is an increasing stress on salt marshes all over the world. These intertidal wetlands were often seen as coastal ‘wasteland’ and large areas were reclaimed for urban development and agriculture. In Puget Sound, a system of interconnected marine waterways and basins in the northwest of the...
master thesis 2010
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Li, L. (author)
Long-term prediction of sediment transport and morphology has become increasingly important. One of the key issues in carrying out long-term modeling is to bridge the gap between short-term hydrodynamics varying from hours to days, and morphological changes, taking place over much longer periods. Lesser et al. (2004) and Roelvink (2006) have...
master thesis 2010
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Kuiper, S.N. (author)
master thesis 2010
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Hoekstra, R. (author)
In September and October of the year 2009, three sandgroyne nourishments have been executed at the Delfland Coast near the village of Ter Heijde. The nourishments have been executed to restore the sediment buffer in the upper part of the coastal profile. A sandgroyne is a concentrated amount of sediment (200.000m3) artificially nourished from...
master thesis 2010
Searched for: contributor:"Walstra, D.J.R. (mentor)"
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