Skip to main content

IMIS

A new integrated search interface will become available in the next phase of marineinfo.org.
For the time being, please use IMIS to search available data

 

[ report an error in this record ]basket (0): add | show Print this page

Design parameters for coastal dikes
Loffredo, L.; Schulz, D.; Wilkens, J. (2007). Design parameters for coastal dikes. Environ. Fluid Mech. 7(6): 469-479. dx.doi.org/10.1007/s10652-007-9040-9
In: Environmental Fluid Mechanics. Springer: London; Dordrecht; Boston. ISSN 1567-7419; e-ISSN 1573-1510, more
Peer reviewed article  

Available in  Authors 

Keyword
    Marine/Coastal
Author keywords
    coastal dikes; wave modelling; wave transformation; design water level;

Authors  Top 
  • Loffredo, L., more
  • Schulz, D.
  • Wilkens, J.

Abstract
    This paper presents results of the assessment of the design parameters leading to the definition of the crest level of a coastal dike along the German North Sea. Procedures to estimate the design water level have been proposed, distinguishing between comparative and single value procedures. The transformation of the wave characteristics from deep water towards the shallow foreshore was achieved through the application of a spectral wave model. To improve the wave parameter estimations, the existing model was nested to a grid with a higher resolution closer to the coast. The estimation of the wave run-up followed the Dutch procedure with some adjustments to the local wave characteristics and dike geometry. The computed maximum crest level of 8.4 m is below the crest height of the existing dike, which is 8.8 m. However a proposal for a more economical design should be carefully evaluated, paying attention to the uncertainties encountered in this research. The general recommendation is to enhance the reliability of the hindcasted wave parameters through calibration and validation of the wave model and to include in the design process an investigation of the effect of the medium term morphological developments.

All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Authors