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Catalogue of major droughts events in Spain, 1916-2020

Authors: Trullenque Blanco, Víctor; Beguería, Santiago; Vicente Serrano, Sergio M.; Peña-Angulo, Dhais; González-Hidalgo, José Carlos;

Catalogue of major droughts events in Spain, 1916-2020

Abstract

[ES] Utilizando la base de datos en rejilla más extensa y detallada de datos mensuales de precipitación de la España peninsular (MOPREDAS_century), que abarca el periodo 1916-2020, se han identificado los episodios de sequía de mayor extensión espacial dentro de este marco temporal, y analizado su dinámica espacio-temporal. Para identificar estos episodios se utilizó el índice de precipitación estandarizado (SPI), a una escala temporal de 12 meses. Los episodios de sequía se identificaron como periodos de al menos tres meses consecutivos en los que las condiciones de sequía significativa afectaron al 20% o más de la zona de estudio. Las condiciones de sequía significativa se definieron como aquellos valores del SPI inferiores a -0,84 (correspondiente a un periodo de retorno de una vez en cinco años). Este análisis permitió identificar un total de 40 episodios de sequía. Para cada uno de ellos se ha detallado la extensión espacial, duración, severidad, y dinámica espacio-temporal. El análisis de los patrones de propagación espacio-temporal de los episodios revela una heterogeneidad sustancial, lo que implica que las sequías tienen su origen en diversos mecanismos atmosféricos, influidos además por la compleja topografía local. La base de datos de episodios sequías, de licencia abierta, constituye un valioso marco temporal para analizar la exploración de los mecanismos de aparición y evolución de las sequías. Está disponible en: https://doi.org/10.20350/digitalCSIC/15446.

Comunicación a congreso.

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Keywords

Climate data, Take urgent action to combat climate change and its impacts, Drought, Climatic maps, Spain, Climatic data, Climate, SPI, CLICES, Climate change, Precipitation, Gridded data

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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