Balancing drinking water security and conservation: A spatial multi-objective optimization framework for regional groundwater management under global change

dc.contributor.affiliationDepartamento de Ingeniería Hidráulica y Medio Ambiente
dc.contributor.affiliationInstituto Universitario de Ingeniería del Agua y del Medio Ambiente
dc.contributor.affiliationEscuela Técnica Superior de Ingeniería de Caminos, Canales y Puertos
dc.contributor.authorNeverre, Noemiees_ES
dc.contributor.authorHerman, Jonathan D.es_ES
dc.contributor.authorSchorpp, Ludovices_ES
dc.contributor.authorLanini, Sandraes_ES
dc.contributor.authorPulido-Velazquez, M.
dc.contributor.authorCaballero, Yvanes_ES
dc.contributor.funderEuropean Regional Development Fundes_ES
dc.contributor.funderAgence Nationale de la Recherche, Franciaes_ES
dc.contributor.funderMinistère de l'Enseignement supérieur, de la Recherche et de l'Innovation, Franciaes_ES
dc.date.accessioned2026-03-03T08:06:28Z
dc.date.available2026-03-03T08:06:28Z
dc.date.issued2026-04es_ES
dc.description.abstract[EN] Ensuring long-term drinking water security is a critical challenge for water managers worldwide, fueled by multiple pressures including increasing water demand, deteriorating water quality, and reduced resource availability with climate change. This study addresses the need for integrated and spatially-explicit modeling tools for drinking water management at regional scale. It develops a methodological framework to support management strategies that balance drinking water security and environmental objectives, by combining drinking water supply hydro-economic modeling with high-resolution hydrogeological modeling and multiobjective optimization techniques. The coupling makes it possible to account for the spatial impacts of abstractions on groundwater levels, river-groundwater interaction, risks of salinization and satisfaction of drinking water demand, while optimizing their distribution and allocation. The framework is applied to the plain of Roussillon case study (Mediterranean France), providing insights for water management and demonstrating the scalability of the approach to a large-scale problem (167 decision variables). Results indicate optimal abstractions should be redistributed from the Pliocene toward the Quaternary aquifer (and toward upstream areas) to satisfy drinking water demands while avoiding seawater intrusion. However, results show that it will not be possible to fully satisfy future demand under drier climate without violating seawater intrusion constraints. Implementing demand-side management measures is a win-win-win strategy that reduces water shortages and environmental impacts to aquifers and rivers. Results also suggest that current regulatory abstraction caps are too generous to prevent future decline in piezometric levels under drier climate. The developed methodological framework can generalize to other basins and support analyses of adaptation strategies.en_EN
dc.description.accrualMethodSes_ES
dc.description.bibliographicCitationNeverre, N.; Herman, JD.; Schorpp, L.; Lanini, S.; Pulido-Velazquez, M.; Caballero, Y. (2026). Balancing drinking water security and conservation: A spatial multi-objective optimization framework for regional groundwater management under global change. Journal of Hydrology. 668. https://doi.org/10.1016/j.jhydrol.2026.134950es_ES
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dc.description.sponsorshipThis research was supported by the French National Research Agency (convention N&#9702;19-CARN 0003-01), and partially funded by the French Ministry of Higher Education Research and Innovation, the European Regional Development Fund (ERDF) through the Occitanie Region, the Rhone Mediterranean and Corsica Water Agency, the Perpignan Mediterranée Metropole Communaute Urbaine, the Pyrénées Orientales department council and the French Geological Survey (BRGM), as part of the Dem'Eaux Roussillon project. The authors benefitted from the use of the cluster at the Centre de Calcul Scientifique en region Centre-Val de Loire.es_ES
dc.description.volume668es_ES
dc.identifier.doi10.1016/j.jhydrol.2026.134950es_ES
dc.identifier.issn0022-1694es_ES
dc.identifier.urihttps://riunet.upv.es/handle/10251/233093
dc.languageIngléses_ES
dc.publisherElsevieres_ES
dc.relation.ispartofJournal of Hydrologyes_ES
dc.relation.pasarelaS\575533es_ES
dc.relation.projectIDinfo:eu-repo/grantAgreement/ANR//19-CARN 0003-01/es_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.jhydrol.2026.134950es_ES
dc.rightsReconocimiento - No comercial - Sin obra derivada (by-nc-nd)es_ES
dc.rights.accessRightsAbiertoes_ES
dc.subjectDrinking wateres_ES
dc.subjectDistributed groundwater modeles_ES
dc.subjectHydro-economic modelinges_ES
dc.subjectMulti-objective optimizationes_ES
dc.subjectGlobal changees_ES
dc.subjectSeawater intrusiones_ES
dc.titleBalancing drinking water security and conservation: A spatial multi-objective optimization framework for regional groundwater management under global changees_ES
dc.typeArtículoes_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersiones_ES
dspace.entity.typePublicationes_ES
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