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Urban Heat Island (UHI) mitigating strategies: A case-based comparative analysis

O�Malley, Christopher; Piroozfar, Poorang; Farr, Eric R P; Pomponi, Francesco

Authors

Christopher O�Malley

Poorang Piroozfar

Eric R P Farr



Abstract

Urbanisation may have been shown to have no effect on climate change, but some researchers suggest that cities are fully capable of responding to it. Urban Heat Islands (UHIs) represent dense urban areas within cities where the temperature is recorded to be higher than the neighbouring areas or those located in suburbia. Mitigation of UHI effects can help diminish detriments of climate change. This paper sets out to establish UHI mitigation strategies, their effectiveness and resilience to help provide recommendations for application of such strategies in future. Existing literature suggest that UK is facing with growing problem of UHI effects and sustainable development at urban scale can be improved if proportionate measures are taken to mitigate those effects. The lack of guidance for designers and planners with regards to UHI mitigation is also indicated in the literature where trees, shrubs and grass (TSG), use of high albedo materials (HAM) in external building surfaces and urban inland water bodies (UIWB) are identified as effective measures to mitigate UHI. This research identifies and tests resilience and effectiveness of UHI mitigation strategies, using ENVI-met simulations and through Urban Futures Assessment Method (UFAM). Assessed mitigation strategies (TSG, HAM, UIWB) are shown to have a similar level of resilience which could be improved if proper future-proof measures are taken in place. As a result, some practical suggestions are provided to help improve the resilience of tested UHI mitigation strategies in this study.

Citation

O’Malley, C., Piroozfar, P., Farr, E. R. P., & Pomponi, F. (2015). Urban Heat Island (UHI) mitigating strategies: A case-based comparative analysis. Sustainable Cities and Society, 19, 222-235. https://doi.org/10.1016/j.scs.2015.05.009

Journal Article Type Article
Acceptance Date Feb 1, 2015
Online Publication Date Jun 14, 2015
Publication Date 2015-12
Deposit Date Feb 17, 2017
Publicly Available Date Sep 20, 2019
Journal Sustainable Cities and Society
Print ISSN 2210-6707
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 19
Pages 222-235
DOI https://doi.org/10.1016/j.scs.2015.05.009
Keywords Mitigating strategies; Urban Heat Island effect; Urban sustainability
Public URL http://researchrepository.napier.ac.uk/Output/680954

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