E3S Web Conf.
Volume 7, 20163rd European Conference on Flood Risk Management (FLOODrisk 2016)
|Number of page(s)||6|
|Section||Long-term protection and prevention measures|
|Published online||20 October 2016|
Establishing vegetated foreshores to increase dike safety along lake shores
1 Deltares, Ecosystems and Water Quality, Boussinesqweg 1, 2600 MH Delft, the Netherlands
2 Arcadis, Hanzelaan 286, 8017 JJ Zwolle, the Netherlands
3 Alterra, Droevendaalsesteeg, 6708 PB Wageningen, the Netherlands
4 HKV lijn in water, Botter 11-29, 8232 JN, Lelystad, the Netherlands
5 RoyalHaskoningDHV, Laan 1914 35, 3818 EX Amersfoort, the Netherlands
6 Ecoshape, Burgemeester de Raadtsingel 69, 3311 JG Dordrecht, the Netherlands
a Corresponding author: email@example.com
Vegetated foreshores in front of existing dikes can contribute to the overall reduction of wave loads on the dike. In order to test this concept in large shallow lakes a field pilot was constructed along the Houtribdijk in Lake Markermeer (the Netherlands) in 2014 to gain experience with construction, stability, maintenance and governance aspects. A large scale monitoring programme was set up to follow the hydrodynamic forcing, morphological changes and vegetation development on the pilot. The pilot is located on an exposed south-westerly direction, and experiences substantial wave impact. As a result the desired vegetation on the land-water interface has not been able to establish, but a rather dynamic sandy beach is currently the main feature along the waterline of the site. Higher up the slope planted reeds, and a mixture of willows has well established itself in the first growing season. The exposed position of the location makes that hardly any natural pioneer vegetation has settled, only in small sheltered areas some annuals were able to germinate and maintain themselves.
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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