Assessing resilience of water resources systems under the impacts of climate change

Jofreh, Venus, Egodawatta, Prasanna, Barnes, Paul H., & Goonetilleke, Ashantha (2015) Assessing resilience of water resources systems under the impacts of climate change. In Barnes, Paul H. & Goonetilleke, Ashantha (Eds.) Proceedings of the 9th Annual International Conference of the International Institute for Infrastructure Renewal and Reconstruction (8-10 July 2013), Queensland University of Technology, Brisbane, Australia, pp. 405-412.

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This paper presents an approach to assess the resilience of a water supply system under the impacts of climate change. Changes to climate characteristics such as rainfall, evapotranspiration and temperature can result in changes to the global hydrological cycle and thereby adversely impact on the ability of water supply systems to meet service standards in the future. Changes to the frequency and characteristics of floods and droughts as well as the quality of water provided by groundwater and surface water resources are the other consequences of climate change that will affect water supply system functionality. The extent and significance of these changes underline the necessity for assessing the future functionality of water supply systems under the impacts of climate change. Resilience can be a tool for assessing the ability of a water supply system to meet service standards under the future climate conditions. The study approach is based on defining resilience as the ability of a system to absorb pressure without going into failure state as well as its ability to achieve an acceptable level of function quickly after failure. In order to present this definition in the form of a mathematical function, a surrogate measure of resilience has been proposed in this paper. In addition, a step-by-step approach to estimate resilience of water storage reservoirs is presented. This approach will enable a comprehensive understanding of the functioning of a water storage reservoir under future climate scenarios and can also be a robust tool to predict future challenges faced by water supply systems under the consequence of climate change.

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ID Code: 61413
Item Type: Conference Paper
Refereed: Yes
Additional Information: Conference held July 2013. Proceedings published online March 2015.
Keywords: resilience, water supply systems, climate change, water resources, CEDM, Risk-informed Disaster Management: Planning for Response, Recovery and Resilience
ISBN: 9781921897733
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Infrastructure Engineering and Asset Management (090505)
Divisions: Current > Research Centres > Centre for Emergency & Disaster Management
Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Current > Schools > School of Public Health & Social Work
Copyright Owner: Copyright 2013 Please consult the authors.
Deposited On: 18 Jul 2013 22:38
Last Modified: 12 Apr 2015 23:47

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