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Article

Stress-Testing Framework for Urban Water Systems: A Source to Tap Approach for Stochastic Resilience Assessment

Department of Water Resources and Environmental Engineering, School of Civil Engineering, National Technical University of Athens, Heroon Polytechneiou 5, 15780 Athens, Greece
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Academic Editors: Robert Sitzenfrei and Pankaj Kumar
Water 2022, 14(2), 154; https://doi.org/10.3390/w14020154
Received: 4 October 2021 / Revised: 13 December 2021 / Accepted: 29 December 2021 / Published: 7 January 2022
(This article belongs to the Special Issue Resilience of Interdependent Urban Water Systems)
Optimizing the design and operation of an Urban Water System (UWS) faces significant challenges over its lifespan to account for the uncertainties of important stressors that arise from population growth rates, climate change factors, or shifting demand patterns. The analysis of a UWS’s performance across interdependent subsystems benefits from a multi-model approach where different designs are tested against a variety of metrics and in different times scales for each subsystem. In this work, we present a stress-testing framework for UWSs that assesses the system’s resilience, i.e., the degree to which a UWS continues to perform under progressively increasing disturbance (deviation from normal operating conditions). The framework is underpinned by a modeling chain that covers the entire water cycle, in a source-to-tap manner, coupling a water resources management model, a hydraulic water distribution model, and a water demand generation model. An additional stochastic simulation module enables the representation and modeling of uncertainty throughout the water cycle. We demonstrate the framework by “stress-testing” a synthetic UWS case study with an ensemble of scenarios whose parameters are stochastically changing within the UWS simulation timeframe and quantify the uncertainty in the estimation of the system’s resilience. View Full-Text
Keywords: Urban Water Systems; resilience; uncertainty; strategic planning; stress-testing; interdependent systems Urban Water Systems; resilience; uncertainty; strategic planning; stress-testing; interdependent systems
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MDPI and ACS Style

Nikolopoulos, D.; Kossieris, P.; Tsoukalas, I.; Makropoulos, C. Stress-Testing Framework for Urban Water Systems: A Source to Tap Approach for Stochastic Resilience Assessment. Water 2022, 14, 154. https://doi.org/10.3390/w14020154

AMA Style

Nikolopoulos D, Kossieris P, Tsoukalas I, Makropoulos C. Stress-Testing Framework for Urban Water Systems: A Source to Tap Approach for Stochastic Resilience Assessment. Water. 2022; 14(2):154. https://doi.org/10.3390/w14020154

Chicago/Turabian Style

Nikolopoulos, Dionysios, Panagiotis Kossieris, Ioannis Tsoukalas, and Christos Makropoulos. 2022. "Stress-Testing Framework for Urban Water Systems: A Source to Tap Approach for Stochastic Resilience Assessment" Water 14, no. 2: 154. https://doi.org/10.3390/w14020154

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