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Defining Priority Areas for the Sustainable Development of the Desalination Industry in Chile: A GIS Multi-Criteria Analysis Approach

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  • Enzo García-Bartolomei

    (Programa de Doctorado en Ciencias Ambientales, Facultad de Ciencias Ambientales y Centro EULA-Chile, Universidad de Concepción, Concepción 4030000, Chile
    IGA Consult, Providencia, Santiago 7500000, Chile
    Bloom Alert, Providencia, Santiago 7500000, Chile)

  • Vanesa Vásquez

    (IGA Consult, Providencia, Santiago 7500000, Chile
    Bloom Alert, Providencia, Santiago 7500000, Chile)

  • Gonzalo Rebolledo

    (Programa de Doctorado en Ciencias Ambientales, Facultad de Ciencias Ambientales y Centro EULA-Chile, Universidad de Concepción, Concepción 4030000, Chile
    Laboratorio de Planificación Territorial, Departamento de Ciencias Ambientales, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco 4780000, Chile)

  • Andrés Vivallo

    (Bloom Alert, Providencia, Santiago 7500000, Chile)

  • Tomás Acuña-Ruz

    (Bloom Alert, Providencia, Santiago 7500000, Chile)

  • José Rebolledo

    (IGA Consult, Providencia, Santiago 7500000, Chile)

  • Rodrigo Orrego

    (Aquatic Toxicology Laboratory (AQUATOX), Instituto de Ciencias Naturales Alexander von Humboldt, Universidad de Antofagasta, Antofagasta 1240000, Chile)

  • Ricardo O. Barra

    (Facultad de Ciencias Ambientales y Centro EULA Chile, Centro de Recursos Hídricos para la Agricultura y Minería (CRHIAM), Instituto Milenio SECOS, Universidad de Concepción, Concepción 4030000, Chile)

Abstract

The climate crisis is rapidly provoking water scarcity in several areas of the planet, where an exponential growth of the seawater desalination industry is expected. In this context, multiple efforts are currently under development to reduce potential impacts and promote the sustainability of this industry. The selection of a suitable site for a desalination plant is critical to ensure operational continuity and the environmental sustainability of its processes, optimizing the plant’s productive performance and thus safeguarding water security for final users. In this study, we apply a GIS-based Multi-Criteria Analysis (GIS-MCA) approach to explore and assess potential areas suitable for the construction and operation of desalination plants in Chile. Different environmental, social, and technical criteria were evaluated and weighted by expert criteria using the Analytic Hierarchy Process (AHP) methodology. From a total of 114,450 km 2 analyzed, only 4.54% of the territory was classified as highly suitable, demonstrating the scarcity of space available to meet the growth expectations for the industry. These results suggest that GIS-based analysis provides a practical solution to determine suitable areas for developing desalination plants, highlighting the need to define priority areas for the sustainable development of the desalination industry in Chile with the required capacity to reach the national water security goals for the following decades.

Suggested Citation

  • Enzo García-Bartolomei & Vanesa Vásquez & Gonzalo Rebolledo & Andrés Vivallo & Tomás Acuña-Ruz & José Rebolledo & Rodrigo Orrego & Ricardo O. Barra, 2022. "Defining Priority Areas for the Sustainable Development of the Desalination Industry in Chile: A GIS Multi-Criteria Analysis Approach," Sustainability, MDPI, vol. 14(13), pages 1-14, June.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:13:p:7772-:d:847967
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    References listed on IDEAS

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    1. Carla Salinas & Jon Mendieta, 2013. "Numerical model to assess the impact of the strategies to mitigate desertification," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 18(5), pages 551-566, June.
    2. Heck, Nadine & Paytan, Adina & Potts, Donald C. & Haddad, Brent, 2016. "Predictors of local support for a seawater desalination plant in a small coastal community," Environmental Science & Policy, Elsevier, vol. 66(C), pages 101-111.
    3. Chaudhary, Pandav & Chhetri, Sachin Kumar & Joshi, Kiran Man & Shrestha, Basanta Man & Kayastha, Prabin, 2016. "Application of an Analytic Hierarchy Process (AHP) in the GIS interface for suitable fire site selection: A case study from Kathmandu Metropolitan City, Nepal," Socio-Economic Planning Sciences, Elsevier, vol. 53(C), pages 60-71.
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