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Assessing the resilience of potable water supplies in Southeast Queensland Australia

Barnes, Paul H., Amarasinghe, Pradeep, Egodawatta, Prasanna, & Goonetilleke, Ashantha (2011) Assessing the resilience of potable water supplies in Southeast Queensland Australia. In Amaratunga, Dilanthi, Haigh, Richard, Keraminiyage, Kaushal, Kulatunga, Udayangani, & Pathirage, Chaminda (Eds.) International Conference on Building Resilience: Interdisciplinary approaches to disaster risk reduction and the development of sustainable communities, International Institute for Infrastructure Renewal and Reconstruction, Kandalama, Sri Lanka.

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Abstract

Historically, cities as urban forms have been critical to human development. In 1950, 30% of the world’s population lived in major cities. By the year 2000 this had increased to 47% with further expected growth to 50% by the end of 2007. Projections suggest that city-based densities will edge towards 60% of the global total by 2030. Such rapidly increasing urbanisation, in both developed and developing economies, challenges options for governance and planning, as well as crisis and disaster management. A common issue to the livability of cities as urban forms through time has been access to clean and reliable water supply. This is an issue that is particularly important in countries with arid ecosystems, such as Australia.

This paper examines preliminary aspects, and theoretical basis, of a study into the resilience of the (potable) water supply system in Southeast Queensland (SEQ), an area with one of the most significant urban growth rates in Australia. The first stage will be to assess needs and requirements for gauging resilience characteristics of a generic water supply system, consisting of supply catchment, storage reservoir/s and treatment plant/s. The second stage will extend the analysis to examine the resilience of the SEQ water supply system incorporating specific characteristics of the SEQ water grid made increasingly vulnerable due to climate variability and projected impacts on rainfall characteristics and compounded by increasing demands due to population growth. Longer-term findings will inform decision making based on the application of the concept of resilience to designing and operating stand-alone and networked water supply infrastructure systems as well as its application to water resource systems more generally.

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ID Code: 43602
Item Type: Conference Paper
Keywords: Resilience, Resilient infrastructure systems, Potable water supplies, Southeast Queensland
ISBN: 9781907842092
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Design (090701)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Modelling (090702)
Divisions: Current > QUT Faculties and Divisions > QUT Business School
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Schools > School of Management
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2011 Please consult the authors.
Deposited On: 27 Jul 2011 17:15
Last Modified: 29 Aug 2011 10:40

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