Abstract
Water management in the Andarax river basin (Almeria, Spain) is a multi-objective, multi-participant, long-term decision-making problem that faces several challenges. Adequate water allocation needs informed decisions to meet increasing socio-economic demands while respecting the environmental integrity of this basin. Key players in the Andarax water sector include the municipality of Almeria, the irrigators involved in the intensive greenhouse agricultural sector, and booming second residences. A decision support system (DSS) is developed to rank different sustainable planning and management alternatives according to their socio-economic and environmental performance. The DSS is intimately linked to sustainability indicators and is designed through a public participation process. Indicators are linked to criteria reflecting stakeholders concerns in the 2005 field survey, such as fulfilling water demand, water price, technical and economical efficiency, social and environmental impacts. Indicators can be partly quantified after simulating the operation of the groundwater reservoir over a 20-year planning period and partly through a parallel expert evaluation process. To predict the impact of future water demand in the catchment, several development scenarios are designed to be evaluated in the DSS. The successive multi-criteria analysis of the performance indicators permits the ranking of the different management alternatives according to the multiple objectives formulated by the different sectors/participants. This allows more informed and transparent decision-making processes for the Andarax river basin, recognizing both the socio-economic and environmental dimensions of water resources management.
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Acknowledgements
This work was undertaken in support of the EU ALERT project (contract no. GOCE-CT-2004-505329/website http://www.coastal-alert.bgs.ac.uk/public/index.html). We would like to thank the “Grupo de Investigación de Recursos Hídricos y Geología Ambiental” of the University of Almeria (UAL) for their collaboration, with special reference to Isaac Francés and Sara Joretto for their contribution to the field work. We are also grateful to all stakeholders in the Andarax catchment, with special reference to the Comunidad de Regantes de Cuatro Vegas and the institutions Instituto del Agua and CENTA.
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Van Cauwenbergh, N., Pinte, D., Tilmant, A. et al. Multi-objective, multiple participant decision support for water management in the Andarax catchment, Almeria. Environ Geol 54, 479–489 (2008). https://doi.org/10.1007/s00254-007-0847-y
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DOI: https://doi.org/10.1007/s00254-007-0847-y