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Hazard Analysis of Coastal Regions

Author(s): S. Mai; N. Ohle; J. Assheuer; C. Zimmermann

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Keywords: Coastal engineering; Numerical simulation; Flood forecast; Hazard analysis; Coastal protection schemes

Abstract: An optimized strategy in coastal protection requires the analysis of hazards to the coastal hinterland caused by failure of sea dikes during storm surges. The starting point of hazard analysis is the mapping of flood zones. Problems relating to the time-dependence of flooding at tidal coasts and to the assumptions on the characteristics of the dike breach are worked out in detail by two-dimensional numerical simulations. In a second step a mesoscale concept for the calculation of the expected loss is presented and applied to a part of the German North Sea coast.


Year: 2003

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