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Climate change effects on sub-daily precipitation in Spain

Abstract: Sub-daily extreme precipitation events are responsible for flash floods which generate impacts that cannot be analysed using daily precipitation information. In this study, we assess the effects of climate change in sub-daily rainfall statistics for Spain. We downscale daily records to the hourly scale using machine learning techniques, and then update the downscaling predictors to generate the sub-daily rainfall projections. We use the atmospheric climate change projections of the Coordinated Regional Climate Downscaling Experiment (CORDEX) initiative to update the downscaling predictors. We do not observe important differences between climate change scenarios, except in the average amounts of precipitation. Climate change will intensify the most extreme sub-daily events overall, as well as increase the number of dry spells, although some dry climates concentrate most of the effects. The intensification will increase the 100-year return period event, especially in those regions where large variances are observed, making flash floods more intense in the future

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: del Jesus M., Diez-Sierra J.,

 Fuente: Hydrological Sciences Journal, 2023, 68 (8), 1065-1077

Editorial: Taylor and Francis Ltd.

 Año de publicación: 2023

Nº de páginas: 14

Tipo de publicación: Artículo de Revista

 DOI: 10.1080/02626667.2023.2215931

ISSN: 0262-6667,2150-3435

Url de la publicación: https://doi.org/10.1080/02626667.2023.2215931

Autores/as

JAVIER DIEZ SIERRA