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(2015)HYDROLOGY AND EARTH SYSTEM SCIENCES.19(6).p.2685-2699 Mark abstract Copulas have already proven their flexibility in rainfall modelling. Yet, their use is generally restricted to the description of bivariate dependence. Recently, vine copulas have been introduced, allowing multi-dimensional dependence structures to be described on the basis of a stage by stage mixing of 2-dimensional copulas. This paper explores the use of such vine copulas in order to incorporate all relevant dependences between the storm variables of interest. On the basis of such fitted vine copulas, an external storm structure is modelled. An internal storm structure is superimposed based on Huff curves, such that a continuous time series of rainfall is generated. The performance of the rainfall model is evaluated through a statistical comparison between an ensemble of synthetical rainfall series and the observed rainfall series and through the comparison of the annual maxima.

Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-6926272

Autor: Hilde Vernieuwe , S Vandenberghe, Bernard De Baets and Niko Verhoest

Fuente: https://biblio.ugent.be/publication/6926272


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