Bayesian trend analysis for daily rainfall series of Barcelona

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Title:	Bayesian trend analysis for daily rainfall series of Barcelona
Author:	Ortego Martínez, María Isabel; Gibergans Baguena, José; Tolosana-Delgado, R.; Egozcue Rubí, Juan José; Llasat Botija, María del Carmen
Other authors:	Universitat de Barcelona
Abstract:	A Point-Over-Threshold approach using a reparameterization of the Generalized Pareto Distribution (GPD) has been used to assess changes in the daily rainfall Barcelona series (1854-2006). A Bayesian approach, considering the suitable scale and physical features of the phenomenon, has been used to look for these alterations. Two different models have been assessed: existence of abrupt changes in the new GPD parameters due to modifications of the observatory locations and trends in these GPD parameters, pointing to a climate change scenario.
Subject(s):	-Estadística bayesiana -Precipitacions (Meteorologia) -Barcelona (Catalunya) -Bayesian statistical decision -Precipitations (Meteorology) -Barcelona (Catalonia)
Rights:	cc-by (c) Ortego Martínez, María Isabel et al., 2010 http://creativecommons.org/licenses/by/3.0/es
Document type:	Article Article - Published version
Published by:	European Geosciences Union (EGU)
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