La Houille Blanche
Number 7-8, Décembre 1999
|Page(s)||100 - 105|
|Published online||01 August 2009|
Estimation des événements extrêmes de crue par l'analyse fréquentielle : une revue critique
Extreme flood events valuation using frequency analysis: a critical review
Université du Québec, Institut national de la recherche scientifique, INRS-Eau, Chaire industrielle en Hydrologie statistique, CRSNG, Hydro-Québec
In 1968, the U.S. Water Resources Council recommended, for flood frequency analysis, the systematic use of the Log-Pearson type III distribution, fitted by the indirect method of moments. This recommendation was the starting point of numerous studies involving:
- proposing other parameter estimation methods for this distribution;
- taking into account other distributions, such as Generalized Extreme Value (GEV), for which Hosking (1990)  proposed an estimation method based on probability weighted moments (L-moments). A critical review of these theoretical developments is presented herein. The effect of separation is being discussed, as it is considered a selection criterion for representative flood distribution functions. Also, we present recent results concerning the Halphen distributions.
© Société Hydrotechnique de France, 1999
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