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Dijkman, M. (author)
This document is the final report of a Master thesis research. The research was executed as cooperation between Delft University of Technology, ARCADIS and ComCoast as part of The Road and Hydraulic Engineering Institute of the Directorate-General of Public Works and Water management (RWS DWW). In this report, the hurricane defence system of St....
report 2007
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Akkerman, G.J. (author), van Gerven, K.A.J. (author), Schaap, H.A. (author), van der Meer, J.W. (author)
In the present report field erosion tests of the inner slope of a sea dyke in the province of Groningen (near Delfzijl) are described for the situation of severe wave overtopping. Three types of tests have been performed: tests at the present grass cover, tests at a reinforced grass cover and tests at a section of bare clay. At the reinforced...
report 2007
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van Gerven, K.A.J. (author), Akkerman, G.J. (author)
The present report deals with the application of a provisional Smart Grass Reinforcement (SGR) system in 2006 for full scale testing of increased overtopping at the Groningen sea dyke test section near Delfzijl, as envisaged in 2007. The SGR has been placed at two strips of 4 m wide: one primary strip at the basic test site and one at a...
report 2007
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Van der Meer, J.M. (author)
The wave overtopping simulator is a device which is able to simulate overtopping waves at the crest of a dike and at the inner slope. The device has been used in the ComCoast project to test a traditional dike section with grass and the SGR, the Smart Grass Reinforcement, placed in May 2006. This report describes in the first part (Chapters 1-6)...
report 2007
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Huang, B. (author), Guangzhou, M. (author)
The Rhine River in the Netherlands, the Yellow River in China and the Mississippi River in the U.S. are three great rivers in the world. Each of them is performing a significant role in the country. The delta area for each river, in particular, is served as the centre in importance and commonly the most developed region in the whole river basin....
report 2007
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Koopal, A.A. (author), Onderwater, M. (author)
An important element in the ComCoast concept is the overtopable sea defence, often a dike.The landward (inner) slope of the dike is adjusted in such a way that it can withstand higher overtopping rates. One of the concepts to improve the resistance is the "Sandy Dike", a cover of the inner slope with layer sand. The sand will be washed away...
report 2007
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This report summarises the main issues arising from a review of approaches to engaging stakeholders in flood risk management undertaken as part of the ComCoast project. The UK Environment Agency selected a sample of six experiences for review from the east of England. The detailed case studies are appended. The cases were analysed using a...
report 2006
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ComCoast (author)
The aim of this evaluation is to gain insight in the social, economic en ecological impacts of an overtopping resistant dike compared to a traditional dike in combination with different forms of land use in the hinterland. At the same time this pilot study should provide support the decision makers of the province of Groningen to find solutions...
report 2006
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Thomas, K. (author), Turney, P. (author)
The main focus of this report is to describe the economic appraisal techniques applied to the RCFMS. The majority of the discussions on policies and procedures are specific to England. An overview of the differing funding processes and procedures in the rest of the UK (Wales, Scotland and Northern Ireland) is provided in Appendix A. In addition,...
report 2006
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Galema, A.A. (author), De Jong, R.H. (author), Pruis, K.W. (author), Wisse, A. (author)
Dit verslag is een rapportage van ons afstudeerproject voor de opleiding algemene Civiele Techniek aan de Noordelijke Hogeschool Leeuwarden.Dit afstudeerproject is in samenwerking met INFRAM uitgevoerd. Het onderzoek richt zich op de sterkte van grasbekleding op het binnentalud van zeedijken. Voor het beproeven van de grasmat op locatie wordt...
report 2006
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Oedekerk, M. (author)
Climate change will cause increasing physical loads on the flood defence of the Province of Groningen along the North Sea over the next decades. This is caused by a sea level rise between 15 and 35 centimetres whilst the ground level is lowering between 38 and 48 centimetres until the year 2050. This results in salt-water intrusion into the land...
report 2006
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Ter Horst, W.L.A. (author)
Dit rapport beschrijft een veiligheidsanalyse van het ComCoast-concept voor de BreeBaart-polder te Groningen. Het ComCoast-concept gaat uit van een brede waterkering, waarbij de primaire dijk overslagbestendig is en de achterliggende polder wordt benut voor het opvangen van het overslaande water.
report 2006
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Roose, R. (author)
De Zeeuwse kust staat onder druk. Naar verwachting zal de zeespiegel deze eeuw ongeveer 60 centimeter stijgen door klimaatverandering. Niet alleen de zee, maar ook de rivieren zorgen naar alle waarschijnlijkheid voor een stijging. De deltawateren zijn nu weliswaar afgesloten van Rijn, Maas en Schelde, maar in de toekomst wordt wellicht de...
report 2006
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ComCoast (author)
The Dutch coast carries a variety of values. With its diversity in dune areas, its shallows and the delta areas, the coastal area of the Netherlands has a high ecological value, forming a unique biotope for a great variety of plant and animal species, and providing an important foraging area for migrating birds. The economic importance of the...
report 2006
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Steenbrink, R. (author), Pwa, S.T. (author), Busneili, M.M. (author), Karelse, M.K. (author)
The objective of ComCoast (Combined functions in coastal defence zones) is to investigate how a multifunctional wide sea defence zone might be created. Instead of just increasing the height and weight of the dike, solutions are searched in the wide sea defence zone landward. These is an number of technical solutions, one of them is increasing...
report 2005
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ComCoast (author)
A desk study has been carried out in order to develop a conceptual model for the erosion of inner dike slopes with reinforced grass cover. Based on the results the following can be concluded: The presence of a geosynthetic in a grass slope can be taken into account in the EPM method by increasing the critical flow velocity. In particular, a...
report 2005
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The requirements for this literature review were set out in 5.1 as detailed in the Environment Agencys proposal for ComCoast work package 4 stakeholder dialogue and communication. The aims were: 1) To review literature relevant to the BTwC and ComCoast to understand the main messages and evidence to support improving public participation and...
report 2005
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Ahlhorn, F. (author)
ComCoast (Combined Functions in Coastal Defence Zones) is an INTERREG IIIB project funded by the EU. ComCoast aims to develop and demonstrate innovative solutions for flood protection in coastal areas. In ComCoast, five countries from the North Sea Region are involved: Belgium, Denmark, The Netherlands, Germany, and the UK. In total, ten...
report 2005
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Tydeman, P. (author)
In January 2001 a reduced tidal regime was introduced in Polder Breebaart, a polder located in the northern-east part of the Province of Groningen (The Netherlands). This reduced tidal regime was achieved by building a culvert in the seawall, connecting the polder with the seawater from the Dollard, a part of the Ems-estuary. The aim was (1)to...
report 2005
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Nieuwenhuis, O.E. (author)
The ComCoast concept involves measures in seaward and landward direction. One of the options in landward direction is an overtopping dike. In this concept the crest and/or inner slope of the dike is strengthened so that more overtopping of the dike can be allowed. Advantage is that heightening of the dike is not necessary and furthermore this...
report 2005
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