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Urban Heat Islands as Opportunities to Extend the Use of Open Spaces

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Title: Urban Heat Islands as Opportunities to Extend the Use of Open Spaces
Author: Xie, Luozijie
Department: School of Environmental Design and Rural Development
Program: Landscape Architecture
Advisor: Corry, Robert
Abstract: Urban heat islands (UHIs) are a consequence of city design and population growth. Negative impacts of UHIs have been discussed, but the opportunity for UHIs to create thermally-comfortable outdoor spaces through their warming effect during cool times has not been studied. By taking advantage of UHI and by using microclimate design principles for increasing outdoor thermal comfort, citizens might use public open spaces under broader weather conditions, including cool springtime and autumn evenings. A public plaza in Toronto was designed using microclimate design principles to enhance outdoor thermal comfort using UHI effects, and evaluated for human thermal comfort with the COMFA model. In most locations within the design the thermal comfort increased during cool times, but for a few locations this increased summer heating too. Findings provide new directions for landscape architects suggesting how UHI can be used as an opportunity under certain conditions in city design.
Date: 2018-05
Rights: Attribution 2.5 Canada
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Attribution 2.5 Canada Except where otherwise noted, this item's license is described as Attribution 2.5 Canada