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Assessing Reliability, Resilience and Vulnerability of Water Supply from SuDS

Author

Listed:
  • Andrea Sulis

    (Department of Architecture, Design and Urban Planning, University of Sassari, 07041 Alghero, Italy)

  • Martina Altana

    (Department of Architecture, Design and Urban Planning, University of Sassari, 07041 Alghero, Italy)

  • Gianfranco Sanna

    (Department of Architecture, Design and Urban Planning, University of Sassari, 07041 Alghero, Italy)

Abstract

In recent decades, the impacts of urbanization on the hydrological cycle have led to an increase in the frequency and magnitude of urban flooding events, and this is also amplified by the effects of climate change. Sustainable Drainage Systems (SuDS) provide a revolutionary change in this field, improving the sustainability and resilience of cities. This research explores the integration of different SuDS with the aim of significantly reducing both the flow volume and celerity of floods in a residual urban catchment area of the metropolitan city of Querétaro (Mèxico), where extreme rainfall frequently occurs. This catchment is a representative suburb of urban pressure and environmental degradation problems. Currently, managing storm water under climate uncertainty through a multi-disciplinary approach is a major concern in this urban area. A 1D–2D coupling model of shallow water equations, the finite volume method, an unstructured meshing method, and a hybrid parallel computing application defined the optimal configuration of SuDS at catchment scale to reduce the flood vulnerability in Querétaro. Specifically, in this paper, we explore the management issues of the proposed SuDS configuration that acts as a water resource system with multiple purposes. A generic simulation model called MODSIM was applied to simulate the designed urban drainage system under a balanced IPCC future climate scenario in terms of reliability, resilience and vulnerability against water scarcity. The proposed hierarchical Reliability–Resilience–Vulnerability approach appears to be effective in evaluating the system performance, showing that the complete satisfaction of non-essential water uses in Querétaro can be assured at a 65% rate of reliability for a large range of reservoir storage conditions.

Suggested Citation

  • Andrea Sulis & Martina Altana & Gianfranco Sanna, 2024. "Assessing Reliability, Resilience and Vulnerability of Water Supply from SuDS," Sustainability, MDPI, vol. 16(13), pages 1-17, June.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:13:p:5391-:d:1421776
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    References listed on IDEAS

    as
    1. Johnson, Daniel & Geisendorf, Sylvie, 2019. "Are Neighborhood-level SUDS Worth it? An Assessment of the Economic Value of Sustainable Urban Drainage System Scenarios Using Cost-Benefit Analyses," Ecological Economics, Elsevier, vol. 158(C), pages 194-205.
    2. Farhad Yazdandoost & Sogol Moradian & Ardalan Izadi, 2020. "Evaluation of Water Sustainability under a Changing Climate in Zarrineh River Basin, Iran," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 34(15), pages 4831-4846, December.
    3. Daniel Jato-Espino & Susanne M. Charlesworth & Joseba R. Bayon & Frank Warwick, 2016. "Rainfall–Runoff Simulations to Assess the Potential of SuDS for Mitigating Flooding in Highly Urbanized Catchments," IJERPH, MDPI, vol. 13(1), pages 1-13, January.
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