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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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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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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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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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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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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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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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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 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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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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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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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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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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Ter Horst, W.L.A. (author)
This report provides a safety analysis of the ComCoast concept at Neersiel in Germany. The ComCoast concept is to use a wide coastal area for water defence purposes. The wide coastal area can be referred to as a coastal defence zone. The primary dike will be provided with a overtopping resistant revetment allowing more seawater to overtop the...
report 2005
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Ahlhorn, F. (author)
This report gives a short overview about the experiences of participation in coastal protection projects in Germany. The report gives no detailed description and evaluation of participation methods. In Germany, there exists a minor experience with participation in coastal protection projects. Much greater experience resulted from projects which...
report 2005
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Colclough, S. (author), Fonseca, L. (author), Astley, K. (author), Thomas, K. (author), Watts, W. (author)
One area of ecological benefit not yet fully evaluated in European waters is the utilisation of restored saltmarsh habitats by fish species. This study examines the utilisation of managed realignments and relic saltmarsh by fish species. Factors affecting habitat heterogeneity and fish populations are discussed, and recommendations are made with...
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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Projects using innovative concepts in coastal defence -like ComCoast- can benefit greatly from participatory action. It can lead to innovative solutions with a broad societal support base, as is shown in the plan for water storage in the Overdiepse polder and the inundation compensation scheme for farmers in the upper River Dinkel region. This...
report 2005
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Van der Pol, C. (author), Glasius, A. (author), Winnubst, M. (author)
Projects using innovative concepts in coastal defence -like ComCoast- can benefit greatly from participatory action. It can lead to innovative solutions with a broad societal support base, as is shown in the plan for water storage in the Overdiepse polder and the inundation compensation scheme for farmers in the upper River Dinkel region. This...
report 2005
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