Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)

14 Pags.- 9 Figs. Data Availability: Statement Data repository, https://doi.org/10.20350/digitalCSIC/16265 (Beguería and Trullenque-Blanco 2024). © 2025 The Author(s). International Journal of Climatology published by John Wiley & Sons Ltd on behalf of Royal Meteorological Society. This is an op...

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Autores: Beguería, Santiago, Trullenque Blanco, Víctor, Vicente Serrano, Sergio M., González-Hidalgo, José Carlos
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/393907
Acceso en línea:http://hdl.handle.net/10261/393907
Access Level:acceso abierto
Palabra clave:aridity index
climate aridity
climate change
precipitation
reference evapotranspiration
Spain
Western Mediterranean Basin
http://metadata.un.org/sdg/13
Take urgent action to combat climate change and its impacts
arid climate
climate change impacts
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network_acronym_str ES
network_name_str España
repository_id_str
spelling Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)Beguería, SantiagoTrullenque Blanco, VíctorVicente Serrano, Sergio M.González-Hidalgo, José Carlosaridity indexclimate aridityclimate changeprecipitationreference evapotranspirationSpainWestern Mediterranean Basinhttp://metadata.un.org/sdg/13Take urgent action to combat climate change and its impactsarid climateclimate change impactsprecipitation14 Pags.- 9 Figs. Data Availability: Statement Data repository, https://doi.org/10.20350/digitalCSIC/16265 (Beguería and Trullenque-Blanco 2024). © 2025 The Author(s). International Journal of Climatology published by John Wiley & Sons Ltd on behalf of Royal Meteorological Society. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License.Climate aridity (the long-term balance between water availability through precipitation and the atmospheric evaporative de-mand) has a fundamental role in determining water availability and the geographic distribution of ecosystems and agriculturalregions, and plays a crucial role in shaping ecological transitions under current climate change. We computed the Aridity Index,computed as the ratio of precipitation to reference evapotranspiration, over Spain for the period 1961–2020. Here we present spa-tially detailed climatologies of the Aridity Index, at the annual and the monthly scales, and an assessment of changes betweenthe normal periods 1961–1990 and 1991–2020. The results show a transition towards reduced values of the Aridity Index (i.e.,towards drier conditions) at the annual scale, which was more intense in the Canary Islands (where 16.3% of the territory tran-sitioned towards more arid climate categories) than in mainland Spain and the Balearic Islands (11.6%). At the monthly level,the most striking changes over mainland Spain occurred in June, with 39.7% of the territory transitioning towards more aridcategories, while transitions towards more humid conditions have only been relevant in March (23.5%) and October (13.0%) anddid not compensate for the aridification trend when the whole year is considered. In the Canary Islands, the strongest changesoccurred in May (22.6%) and September (19.4%), although drying trends were found almost in all months except the summer.This work has been supported by the Biodiversity Foundation of the Ministry for the Ecological Transition and the Demographic Challenge(MITECO) of the Government of Spain, within the framework of the Recovery, Transformation and Resilience Plan (PRTR), funded by the EuropeanUnion—NextGenerationEU. We also acknowledge financial support from the Ministry of Science, Innovation and Universities of the Government of Spain through research project PID2020-116860RB-C22, and from the Government of Aragón through grant E02-17R.Peer reviewedJohn Wiley & SonsRoyal Meteorological Society (Great Britain)Ministerio para la Transición Ecológica y el Reto Demográfico (España)European CommissionMinisterio de Ciencia, Innovación y Universidades (España)Gobierno de AragónBeguería, Santiago [0000-0002-3974-2947]Trullenque Blanco, Víctor [0000-0002-8133-2087]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/393907reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116860RB-C22Beguería, Santiago; Trullenque Blanco, Víctor; 2024; Aridity Index in Spain Catalogue, v1.0.0. [Dataset]; DIGITAL.CSIC; DOI: https://doi.org/10.20350/digitalCSIC/16265.https://doi.org/10.1002/joc.8775Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3939072026-05-22T06:33:51Z
dc.title.none.fl_str_mv Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
title Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
spellingShingle Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
Beguería, Santiago
aridity index
climate aridity
climate change
precipitation
reference evapotranspiration
Spain
Western Mediterranean Basin
http://metadata.un.org/sdg/13
Take urgent action to combat climate change and its impacts
arid climate
climate change impacts
precipitation
title_short Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
title_full Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
title_fullStr Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
title_full_unstemmed Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
title_sort Aridity on the Rise: Spatial and Temporal Shifts in Climate Aridity in Spain (1961–2020)
dc.creator.none.fl_str_mv Beguería, Santiago
Trullenque Blanco, Víctor
Vicente Serrano, Sergio M.
González-Hidalgo, José Carlos
author Beguería, Santiago
author_facet Beguería, Santiago
Trullenque Blanco, Víctor
Vicente Serrano, Sergio M.
González-Hidalgo, José Carlos
author_role author
author2 Trullenque Blanco, Víctor
Vicente Serrano, Sergio M.
González-Hidalgo, José Carlos
author2_role author
author
author
dc.contributor.none.fl_str_mv Ministerio para la Transición Ecológica y el Reto Demográfico (España)
European Commission
Ministerio de Ciencia, Innovación y Universidades (España)
Gobierno de Aragón
Beguería, Santiago [0000-0002-3974-2947]
Trullenque Blanco, Víctor [0000-0002-8133-2087]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv aridity index
climate aridity
climate change
precipitation
reference evapotranspiration
Spain
Western Mediterranean Basin
http://metadata.un.org/sdg/13
Take urgent action to combat climate change and its impacts
arid climate
climate change impacts
precipitation
topic aridity index
climate aridity
climate change
precipitation
reference evapotranspiration
Spain
Western Mediterranean Basin
http://metadata.un.org/sdg/13
Take urgent action to combat climate change and its impacts
arid climate
climate change impacts
precipitation
description 14 Pags.- 9 Figs. Data Availability: Statement Data repository, https://doi.org/10.20350/digitalCSIC/16265 (Beguería and Trullenque-Blanco 2024). © 2025 The Author(s). International Journal of Climatology published by John Wiley & Sons Ltd on behalf of Royal Meteorological Society. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/393907
url http://hdl.handle.net/10261/393907
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116860RB-C22
Beguería, Santiago; Trullenque Blanco, Víctor; 2024; Aridity Index in Spain Catalogue, v1.0.0. [Dataset]; DIGITAL.CSIC; DOI: https://doi.org/10.20350/digitalCSIC/16265.
https://doi.org/10.1002/joc.8775
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv John Wiley & Sons
Royal Meteorological Society (Great Britain)
publisher.none.fl_str_mv John Wiley & Sons
Royal Meteorological Society (Great Britain)
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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