Reliable, resilient and sustainable water management: the Safe & SuRe approach

Global Challenges, Journal Year: 2016, Volume and Issue: 1(1), P. 63 - 77

Published: June 17, 2016

Abstract Global threats such as climate change, population growth, and rapid urbanization pose a huge future challenge to water management, and, ensure the ongoing reliability, resilience sustainability of service provision, paradigm shift is required. This paper presents an overarching framework that supports development strategies for reliable provision services while explicitly addressing need greater emerging threats, leading more sustainable solutions. The logically relates global system (in its broadest sense), impacts on performance, social, economic, environmental consequences. It identifies multiple opportunities intervention, illustrating how mitigation, adaptation, coping, learning each address different elements framework. provides clarity decision makers will enable better informed choices be made. facilitates four types analysis evaluation support reliable, resilient, solutions: “top‐down,” “bottom‐up,” “middle based,” “circular” clear, visual representation how/when may used. In particular, potential benefits middle‐based analysis, which focuses failure modes their enables effects unknown accounted for, are highlighted. disparate themes also integrated relationships explored in terms properties performance. Although these latter two often conflated metrics, argument made this work performance or must distinguished from achieved.

Language: Английский

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Topological attributes of network resilience: A study in water distribution systems

Water Research, Journal Year: 2018, Volume and Issue: 143, P. 376 - 386

Published: June 26, 2018

Resilience has been increasingly pursued in the management of water distribution systems (WDSs) such that a system can adapt to and rapidly recover from potential failures face deep uncertain unpredictable future. Topology assumed have great impact on resilience WDSs, is basis many studies assessing building resilience. However, this fundamental assumption not justified requires investigation. To address this, novel framework for mapping between performance network topological attributes proposed. It applied WDSs here but be adaptable other systems. In framework, comprehensively assessed using stress-strain tests which measure six metrics corresponding resistance, absorption restoration capacities. Six key (connectivity, efficiency, centrality, diversity, robustness modularity) are studied by mathematical abstraction as graphs measured eight statistical graph theory. The interplay revealed correlations their metrics, based 85 with different sizes features. Further, variants single WDS generated uncover value attribute guiding extension/rehabilitation design towards Results show only certain aspects performance, i.e. spatial temporal scales failure impacts, strongly influenced some (not all) attributes, connectivity, modularity centrality. Metrics describing need carefully selected; example, clustering coefficient found weakly correlated compared connectivity (due grid-like structures WDSs). Topological alone sufficient guide resilient details location sources also considered.

Language: Английский

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A Graph-Theoretic Framework for Assessing the Resilience of Sectorised Water Distribution Networks

Water Resources Management, Journal Year: 2016, Volume and Issue: 30(5), P. 1685 - 1699

Published: Feb. 13, 2016

Water utilities face a challenge in maintaining good quality of service under wide range operational management and failure conditions. Tools for assessing the resilience water distribution networks are therefore essential both maintenance optimization. In this paper, novel graph-theoretic approach assessment large scale is presented. This great importance systems, most models containing up to hundreds thousands pipes nodes. The proposed framework mainly based on quantifying redundancy capacity all possible routes from demand nodes their supply sources. works well with network sizes since it does not rely precise hydraulic simulations, which require complex calibration processes computation, while remaining meaningful physical topological point view. proposal also tailored analysis sectorised through multiscale method analysing connectivity, successfully tested utility made more than 100,000 110,000 pipes.

Language: Английский

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Graph theory—Recent developments of its application in geomorphology

Geomorphology, Journal Year: 2014, Volume and Issue: 243, P. 130 - 146

Published: Dec. 20, 2014

Language: Английский

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Cyber-physical-social interdependencies and organizational resilience: A review of water, transportation, and cyber infrastructure systems and processes

Sustainable Cities and Society, Journal Year: 2020, Volume and Issue: 62, P. 102327 - 102327

Published: June 21, 2020

Language: Английский

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Water Distribution Systems Reliability: A Review of Research Literature

Journal of Water Resources Planning and Management, Journal Year: 2016, Volume and Issue: 142(11)

Published: June 30, 2016

Every water distribution system (WDS) fails partially or completely at some point points during its lifetime. Measurement of reliability for a WDS under various failure conditions is necessary. Numerous techniques have been developed estimating reliability. This study provides an in-depth review the relevant research literature (subsequently referred to simply as “literature”) in context mathematical methods measuring It was found that vague types (mechanical, hydraulic, and quality failure) analysis are mixed together inappropriately. organized classified available into three major categories discussed which technique should be used depending upon type failure. A particular state could several simultaneous unfavorable impacts on operation. Deep insight revealed multiaspect/state has received relatively no attention. The demonstrated need performance WDS.

Language: Английский

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Using Complex Network Analysis for Optimization of Water Distribution Networks

Water Resources Research, Journal Year: 2020, Volume and Issue: 56(8)

Published: July 23, 2020

Abstract The optimization of water networks supports the decision‐making process by identifying optimal trade‐off between costs and performance (e.g., resilience leakage). A major challenge in domain distribution systems (WDSs) is network (re)design. While complex nature WDS has already been explored with analysis (CNA), literature still lacking a CNA networks. Based on systematic Pareto‐optimal solutions different WDSs, several graph characteristics are identified, newly developed design approach for WDSs proposed. results show that obtained designs comparable found evolutionary optimization, but applicable large 150,000 pipes) substantially reduced computational effort (runtime reduction up to 5 orders magnitude).

Language: Английский

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Toward Sustainable Water Infrastructure: The State‐Of‐The‐Art for Modeling the Failure Probability of Water Pipes

Water Resources Research, Journal Year: 2023, Volume and Issue: 59(4)

Published: March 23, 2023

Failures of water distribution networks (WDNs) are rising at an exponential rate, necessitating immediate attention. An effective way to reduce the failure rate is develop accurate predictive models for probability pipes, which most critical assets WDNs. Despite fact that researchers have invested efforts various models, extant literature lacks a complete state-of-the-art review. To fill this gap, study employs mixed approach (i.e., quantitative and qualitative) by providing (a) bibliometric analysis existing scholarly literature, (b) systematic review techniques used in modeling including physical, statistical, machine-learning (ML)-based (c) identified gaps future research directions. The shows ML-based emerging and, hence understudied as compared physical statistical-based models. Regarding review, proper understanding development each model has been provided addition their advantages critiques. Furthermore, integration methods discussed. Findings reveal social operation-related predictors understudied, thereby suggesting further exploration. This adds body knowledge utilities academics with comprehensive pipe failure, will be useful decision-making process network management.

Language: Английский

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A review of graph and complex network theory in water distribution networks: Mathematical foundation, application and prospects

Water Research, Journal Year: 2024, Volume and Issue: 253, P. 121238 - 121238

Published: Feb. 3, 2024

Language: Английский

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Performance Evaluation of Water Distribution Systems and Asset Management

Journal of Infrastructure Systems, Journal Year: 2018, Volume and Issue: 24(3)

Published: June 9, 2018

Water distribution systems (WDS) are among the most critical civil infrastructure systems. A reliable and safe water supply is essential for prosperity continued well-being of society. Hence, adequate maintenance, repair, renewal vast physical assets in WDS paramount importance, especially places with widespread deterioration assets. However, due to limited resources, utilities struggle their asset management strategies keep pace aging components. Recently, have made efforts refine traditional condition-based approach pipeline that focuses on maintaining current condition into a service-based which system performance explicitly considered. This paper reviews existing literature various aspects WDS, focusing specifically buried pipelines. Existing assessment (CA) techniques, failure prediction models, time-dependent vulnerability maintenance planning strategies, techniques reviewed. Various modeling performance, as well its interdependence other systems, also As such, presents broad overview constitute strategy WDS. The advantages limitations different methods approaches compared assist selection an appropriate tool. An future research needs related presented.

Language: Английский

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