IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 34th Congress - Brisbane (2011) : THEME 1: Extremes and Variability : Stochastic storm surge simulation and the multivariate statistical assessment of the results via cop...
Stochastic storm surge simulation and the multivariate statistical assessment of the results via copula functions
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The knowledge of the characteristics of possible storm surges is essential to perform integrated risk analyses, e.g. based on the source-pathway receptor concept, including the storm surge analyses (source), dike/dune breach scenarios (pathway) and the quantification of potential losses (receptor). Focussing on the source part, a stochastic storm surge generator for the southeastern North Sea is presented. The input data for the model are high resolution sea level observations from tide gauges during extreme events. Followed by the parameterization and a large number of Monte-Carlo-Simulations a large number of synthetic storm surge events is reconstructed. The latter serve as input data for the risk analyses and contribute to improve the overall results. The occurrence probabilities of the simulated extreme events are estimated based on multivariate statistics considering Copula functions, accounting for the structure of dependence overlooking the margins.
File Size : 401,988 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 1: Extremes and Variability
Date Published : 08/08/2012
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