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De Rijke, W.G. (author)
Aan de Zuidwest kust van Walcher en bevindt zich op diverse locaties een duinenrij met steile vooroever. Toepassing van de Leidraad Duinafslag voor de beoordeling van de veiligheid tegen doorbraak onder superstorm omstandigheden is niet goed mogelijk. Daarom zijn voor een drietal maatgevende raaien tijdsafhankelijke duinafslag berekeningen m.b.v...
report 1986
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Loman, G.J.A. (author)
In opdracht van de Technische Adviescommissie voor de Waterkeringen (TAW) is reeds vele jaren onderzoek verricht naar de mate van duinafslag tijdens stormvloed. Dit heeft eind 1982 geleid tot de introductie van een rekenmodel (DUROS) waarmee voor een willekeurig profiel aan de Nederlandse kust de verwachte duinafslag tijdens stormvloed kan...
report 1986
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Olthof, J. (author), Loman, G. (author)
In de periode maart tot april 1985 heeft de Adviesdienst Vlissingen enige brandingsstroommetingen uitgevoerd voor de kust van Walcheren ter hoogte van Joossesweg (nabij Westkapelle). Het doel van het meetonderzoek is het verkrijgen van meer inzicht in de veranderingen die optreden op een gesuppleerd strand ten gevolge van stroom en golven. Met...
report 1986
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Verhagen, H.J. (author)
kort overzicht van aandrijfmechanismen voor kuststromen
report 1985
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Olthof, J. (author), Verhagen, H.J. (author)
As a continuation of the initial study on the morphology of the Douro mouth, performed by Hydronamic in 1982, the Administracao dos Portos do Douro e Leixoes commisioned Hydronamic bv to construct a mathematical hydro-morphological model of the Douro mouth. This second part of the morphological study of the Douro mouth is divided into three...
report 1984
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Verhagen, H.J. (author)
The river Douro debouches into the Atlantic Ocean near Oporto (Portugal) with a funnel-shaped mouth, partly closed from the ocean with a sand spit. Both the wave-induced longshore sediment transport as the sediment yield of the river are limited by the available quantity of sediment (non-alluvial conditions). The results of some sediment...
report 1983
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Verhagen, H.J. (author)
As a continuation of the initial study on the morphology of the Douro mouth performed by Hydronamic in 1982, the Administracao dos Portos de Douro e Leixoes commissioned by Hydronamic bv to construct a mathematical hydro-morphological model of the Douro mouth. Within the framework of the study also a second measuring campaign was commissioned,...
report 1983
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Verhagen, H.J. (author)
In one of the most recent studies for AGPL, Hydronamic studied the influence of works in the outer bar on the salinity-distribution in the upstream section of the estuary. The main conclusion from this study was that current-patterns, tidal prism, etc. in the inner estuary are :fully determined by ,the geometry of the Corredor, and that...
report 1983
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Verhagen, H.J. (author)
Analysis of the effect of a submarine canyon on the coastal erosion near Cap Lopez, Gabon, using mathematical modelling
report 1983
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Verhagen, H.J. (author)
As a continuation of the initial study on the morphology of the Douro mouth, performed by Hydronamic in 1982, the Administracao dos Portos de Douro e Leixoes commisioned Hydronamic bv to construct a mathematical hydro-morphological model of the Douro mouth. Within the framework of the study an analysis of old charts, available in the archivas of...
report 1983
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Verhagen, H.J. (author)
The Administracao dos Portos do Douro e Leixoes is confronted with the fact that future expansion of the port area of Leixoes is limited by the surrounding hills and urbanization. One of the alternatives for future expansion might be the creation of port facilities in the Douro estuary, where a relatively large, flat area is available. However,...
report 1982
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Verhagen, H.J. (author), Van Maastrigt, R. (author)
Study for the design of an access channel to the coal port of Cerrejon, Colombia using a ship manoeuvring simulator
report 1982
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Verhagen, H.J. (author)
Addtional drawings for the mathematical model of the estimated siltation in the access channel to Siderurgia nacional in Seixal (Lisbon).
report 1982
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Verhagen, H.J. (author)
Integrated study on the hydro-morphology of the Tagus outer estuary and the Tagus Inner estuary. Wave penetration calculations, tidal flow calculations and calibration measurements.
report 1982
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Verhagen, H.J. (author)
Siderurgia Nacional EP has planned to construct an ore terminal nearby Seixal (Portugal) and to dredge an access channel and turning basin in the southern part of the Tagus Inner Estuary. In the Hydronamic report, entitled Terminal do Seixal, Hydro-Morphological Study, February 1982/ P457' the hydraulical, nautical and morphological consequences...
report 1982
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Verhagen, H.J. (author)
In case Barra Sul is dredged, there is a risk of an increased salt intrusion into the estuary. Model computations have been performed to comper present salt intrusion with future salt intrusion
report 1982
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Verhagen, H.J. (author), Starink, A.C. (author)
The calculations of bottom changes presented in our report "Terminal do Seixal Hydro-morphological study", February 1982 were based on a calibrated sediment transport formula. This formula was calibrated with the results of measurements made by Hydronamic in September 1981. These measurements were executed during one of the driest summers...
report 1982
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Verhagen, H.J. (author)
Hydronamic has performed a study for the design of the new access channel to the terminal of Siderurgia Nacional at Seixal (near Lisbon) in the Tagus estuary. The report deals with the following subjects: - In chapter 2 a description is given of the mathematical tidal model, the calibration thereof and the final results. - Chapter 3 deals with...
report 1982
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Verhagen, H.J. (author)
Summary of the engineering activities needed for the design of man-made islands, with focus on arctic areas
report 1982
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Verhagen, H.J. (author)
Morphological study (measurements and computation) for a new access channel to the Quimigal productuion plant in Seixal (Lisbon) in the Tagus Estuary (Tejo). The report contains measurement data of flow and sediment concentrations on various locations in the Tagus inner estuary.
report 1981
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