Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/20.500.11765/14523
Homogenization of monthly series of temperature and precipitation: benchmarking results of the MULTITEST project
Título : Homogenization of monthly series of temperature and precipitation: benchmarking results of the MULTITEST project
Autor : Guijarro Pastor, José Antonio ORCID RESEARCHERID Autor AEMETLópez, José AntonioAguilar, EnricDomonkos, PeterVenema, Victor K. C.Sigró, JavierBrunet, Manola
Palabras clave : Homogenization; Benchmarking; Monthly series; Precipitation; Temperature
Fecha de publicación : 2023
Editor: Wiley; Royal Meteorological Society
Citación : International Journal of Climatology. 2023, p. 1-19
Versión del editor: https://doi.org/10.1002/joc.8069
Resumen : The homogenization of climate observational series is a needed process before undertaking confidently any study of their internal variability, since changes in the observation methods or in the surroundings of the observatories, for instance, can introduce biases in the data of the same order of magnitude than the underlying climate variations and trends. Many methods have been proposed in the past to remove the unwanted perturbations from the climatic series, and some of them have been implemented in software packages freely available from the Internet. The Spanish project MULTITEST was intended to test their performance in an automatic way with synthetic monthly series of air temperature and atmospheric precipitation, in order to update inter-comparison results from former projects, especially those of the COST Action ES0601. Several networks representing different climates and station densities were used to test a variety of homogenization packages on hundreds of random samples. Results were evaluated mainly in form of Root Mean Squared Errors (RMSE) and errors in the trend of the series, showing that ACMANT, followed by Climatol, minimized these errors. However, other packages performed also relatively well, even outperforming them when there were simultaneous biases of the same sign in most or all the test series.
URI : http://hdl.handle.net/20.500.11765/14523
ISSN : 0899-8418
1097-0088
Colecciones: Artículos científicos 2023-2026


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