No sea too high (newspaper article in Dutch, December 2007).
According to Delft scientists the erosion of beach and dunes can bedealt with for centuries. Even a sea level rise of 1.5 m/century will not be a major problem, expects Marcel Stive, especially if dunes will be broadened and sea dikes will be made higher. Articles appeared in Dagblad van het Noorden, Het Parool, Leeuwarder Courant en Nederlands Dagblad.
Dredgers and engineers would like to create an island in the North Sea (article in Dutch, NRC 10-11-2007).
Plans to create land in the Nort Sea will be dicussed in future, but Hydraulic Engineers state that it is technically no problem to create islands before the coast. Han Vrijling and Henk Jan Verhagen clarify the possibilities.
Leak in Eastern Scheldt storm surge barier (article in Dutch, Algemeen Dagblad, 15 November 2007).
The storm surge barrier is less safe than has been assumed. Half of the barrier could fail to close in case of fire. This was not taken into account with the design, according to Han Vrijling.
Sonic waves in the Waal river (article in Dutch, Delta 18-10-2007).
The Dutch Ministry of Waterways and Public Works found a new way to keep rivers navigable: by dumping sand. Erik Mosselman, researcher in our group, and Arjan Sieben, ex-PhD-student, give an explanation.
New glue to reinforce dikes (article in Dutch, Delta, 18-10-2007).
DUT tested a method to improve dike resistance against waves, by means of a top layer of glued stones. Henk Jan Verhagen and student Dehua Gu tested the impermeability of the top layer.
Delta committee (article in Dutch, Delta 11-10-2007).
The Dutch Ministry of Waterways and Public Works appointed a new Delta Committee. Prof. Marcel Stive, member of this committee, states that the committee should urge the authorities to improve water defences soon.
Back to engineering (article in Dutch, Rotterdams i-blad, October 2007).
In this interview Jarit de Gijt, lecturer Hydraulic Structures, relates about his work at Delft University. "Nothing is more fun than to play with sand and water."
The seadefence of Hondsbosch and Petten is dangerously weak (article in Dutch, Dagblad Tubantia/Twentsche Courant, 08 October 2007).
The sea defence of Hondsbosch and Petten is dangerously weak, claims the Hoogheemraadschap Hollands Noorderkwartier and the Province in Noord-Holland. Can the Netherlands still handle the sea? Professor Marcel Stive gives comment, also in Delta of 4 October 2007 (in Dutch).
Orders of billions (article in Dutch, Delta 27 August 2007).
Dutch consulting engineers will design a harbour in Suez Canal, widen the Panama Canal and spout up islands on the shore of Dubai. Henk Jan Verhagen and Han Ligteringen explain how these megaprojects will also be benefitial for Delft University.
Wij Waterbouwers zijn wel bezorgd (Artikel NRC, 21 Augustis 2007).
Persisting struggle with the sea (article in Dutch, Algemeen Dagblad September 2007).
Henk Jan Verhagen comments on the necessity of dike enlargements in the Netherlands.
Elastocoast as coastal defence (podcast BASF in German, September 2007).
Henk Jan Verhagen about elastocoast as coastal defense.
New international Rock Manual (article in Dutch, Land+Water, April 2007).
Henk Jan Verhagen exemplifies the new European manual for the use of rock in hydraulic engineering.
Integral planning not common in the USA(newspaper article in Dutch, Trouw, 30 August 2007).
American agencies have asked experts from the Dutch lowlands to explain what went wrong in Louisiana, and how a second disaster can be prevented. Professor Han Vrijling of Delft Universty recently visited New Orleans.
The Netherlands is not enough prepared for disasters (broadcast NOS news in Dutch, 20 August 2007).
Floods, terrorism and failure of computer networks can lead to social disruption of Dutch society. That is the conclusion of a report of some Dutch ministeries. Han Vrijling is one of the experts who gave his opinion on flood management during the NOS News. He also commented this report in NRC Handelsblad of 21 August 2007 (article in Dutch).
The sunny side of climate change (radio programme in Dutch, 30 July 2007).
If parts of the Netherlands will be flooded because of sea level rise, what hinders us to live over the water? In Hoe?zo! Radio an interview with Frits Schoute, emeritus professor multimedia systems and Ties Rijcken of Delft University.
Hurray, the climate changes! (radio programme in Dutch, 3 July 2007).
Climate change appears to be booming business!. A.o. Huib de Vriend, professor River Engineering of Delft University.
Artificial reefs Scheveningen (article in Dutch, Delta 1 July 2007).
To prevent that the beach of Scheveningen will be eroded completely in 2050, the dutch directorate for public works and water management studies the possibility of an artificial reef. Henk Jan Verhagen doubts if this is a good solution of the problem.
Maeslant barrier can still be saved (article in Dutch, De Volkskrant 10 May 2007).
The Ministery of Transport and Infrastructure of the Netherlands considers safety of the Maeslantkering to be insufficient and wants to heighten the dikes behind the barrier. Wouter ter Horst proposes to improve the barrier itself.
Geotubes filled with soft dredged material (article in Dutch, Cobouw 24 May 2007).
Building the "Afsluitdijk" in 2007 would be done with Geotubes. An interview with ir. Jarit de Gijt.
Study of sea grass (article in Dutch, Delta 2007-39).
PhD-student Jasper Dijkstra explains the relevance of his research.
Dredging depositories (article in Dutch in Delta, 19 April 2007).
Bart van der Schrieck asserts that the risk of pollution by dredging depositories turns out better than expected.
Water revolution in the Netherlands (article in French, Le Monde 3 April 2007).
Marcel Stive asserts that up to 1 meter sea level rise can be dealty with using the present system of coastal defence.
Scientific presentation contest.
Sebastian Dan, one of our PhD-students, is one of the ten finalists of the FameLab Romania is a competition. The aim of FameLab is to encourage young scientists (18 to 35 years old) to inspire and excite public imagination with a vision of science in the 21st century.
Damage by Muskrats at Kockengen.
Our colleague ir. Henk-Jan Verhagen was a guest in "UTRECHT NU" a program on television from RTV Utrecht.
Safety of the Netherlands (article in Dutch, Technisch Weekblad 27 January 2007).
Reflection of the current safety of the levees and dunes. Prof. Huib de Vriend mentions that wave loads seem to be stronger than assumed. Another point of concern is the discussion about emergency flood retention basins that got stuck.
Trenches in levees (article in Dutch, Delta 03 January 2007).
Besides raising levees, digging a trench in the levee can also prevent a levee breach. Msc. student Paul van Steeg, supervised by Henk Jan Verhagen, is doing research about this topic, which is part of the European Comcoast project.