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Resilience, From Metaphor to Operational Indicators

Author(s): Farhad Yazdandoost

Linked Author(s): Farhad Yazdandoost

Keywords: Resilience, operational criteria

Abstract: Resistance is defined as the ability of a system to withstand a disturbance without any reaction, and resilience as the ability of a system to recover easily from a reaction to a disturbance. As a metaphor, resilience may be related to sustainability while in engineering practices it often implies quantifying practical/operational indicators by which levels and modes of resiliency may be assessed and achieved. To assess a system's resilience, one must specify which system configuration and which disturbances are of interest. The system may be defined as the socio-economic and/or physical characteristics of a basin where disturbances may affect the normal socio-economic and natural functioning of the society and the ecosystem. Conventional engineering approaches may be ideally addressed from a resilient perspective. Here, resilience based approaches for various engineering applications such as flood risk management, urban drainage systems, water distribution networks and water resources management are reported. Operational indicators have been identified in each case whereby practical variables may be quantified based on resilient approaches. Adopting operational resilience approaches has indicated enhanced management outcomes in comparison to conventional engineering approaches


Year: 2017

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