Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Assessing Reliability, Resilience and Vulnerability of Water Supply from SuDS

Version 1 : Received: 12 March 2024 / Approved: 13 March 2024 / Online: 13 March 2024 (07:16:38 CET)

How to cite: Sulis, A.; Altana, M.; Sanna, G. Assessing Reliability, Resilience and Vulnerability of Water Supply from SuDS. Preprints 2024, 2024030766. https://doi.org/10.20944/preprints202403.0766.v1 Sulis, A.; Altana, M.; Sanna, G. Assessing Reliability, Resilience and Vulnerability of Water Supply from SuDS. Preprints 2024, 2024030766. https://doi.org/10.20944/preprints202403.0766.v1

Abstract

In the last decades, the impacts of urbanization on the hydrological cycle have led to an increase in the frequency and magnitude of urban flooding events, 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 flow volume and celerity of floods in a residual urban catchment area of 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, finite volume method, unstructured meshing method, and 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.

Keywords

Stormwater flooding; Sustainable Drainage Systems (SuDS); Sustainable city; Urbanization; MODSIM; Supply indicators

Subject

Engineering, Safety, Risk, Reliability and Quality

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