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Challenges 2015, 6(1), 3-25; doi:10.3390/challe6010003

Retrofitting Precincts for Heatwave Resilience: Challenges and Barriers in Australian Context

1
School of Information Technology and Mathematical Sciences, University of South Australia, Mawson Lakes Boulevard, Mawson Lakes, SA 5095, Australia
2
Centre for Industrial and Applied Mathematics, University of South Australia, Mawson Lakes Boulevard, Mawson Lakes, SA 5095, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Andreas Manz
Received: 13 November 2014 / Accepted: 11 December 2014 / Published: 16 January 2015
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Abstract

As the frequency and intensity of heatwaves are growing in Australia, strategies to combat heat are becoming more vital. Cities are exposed to urban heat islands (UHIs) due to excess urbanisation. In this study, a definition of urban heatwave (UHW) is conceptualised to investigate the combined impacts of heatwaves and UHIs. To quantify the negative impacts of UHW, indicators—such as excess morbidity, electricity and water consumption—are considered. The intensity of UHWs is calculated using the unit of excess heat factor (EHF), developed by the Australian Bureau of Meteorology. EHF enables the comparability of UHWs in different geographical locations. Using the indicators and the intensity of UHWs, a calculation method to quantify heatwave resilience at a precincts scale is proposed. The study summarises the assumed influential factors of precinct heatwave resilience based on the existing literature and propose a “cool retrofitting toolkit” (CRT). CRT creates the framework to assess the adaptation to and mitigation of UHWs available to retrofit existing precincts, and to evaluate potential retrofitting strategies in terms of energy and carbon efficiency, financial affordability and perceived acceptability by population. This study illuminates the importance of climate, function, built environment and population characteristics-conscious retrofitting. View Full-Text
Keywords: urban heatwave indicators; retrofitting toolkit; heatwave resilience; heatwave perception; precinct; adaptation; mitigation; adverse health outcome; Australian cities urban heatwave indicators; retrofitting toolkit; heatwave resilience; heatwave perception; precinct; adaptation; mitigation; adverse health outcome; Australian cities
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hatvani-Kovacs, G.; Boland, J. Retrofitting Precincts for Heatwave Resilience: Challenges and Barriers in Australian Context. Challenges 2015, 6, 3-25.

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