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A Review of Green Roof Applications for Managing Urban Stormwater in Different Climatic Zones

1
Civil Engineering, Schulich School of Engineering, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
2
Water Resources, The City of Calgary, Water Centre, 625-25 Ave SE, Calgary, AB T2G 4K8, Canada
*
Author to whom correspondence should be addressed.
Sustainability 2018, 10(8), 2864; https://doi.org/10.3390/su10082864
Received: 3 July 2018 / Revised: 30 July 2018 / Accepted: 5 August 2018 / Published: 13 August 2018
(This article belongs to the Section Sustainable Engineering and Science)
Many regions have turned to low impact development technologies (LIDs), which are implemented to restore the changes in stormwater runoff that have resulted from urbanization. Green roofs are one typical type of LID. Until now, many studies have validated their roles in managing urban stormwater runoff. However, they have also revealed that the performance of green roofs largely varies with their design configuration, as well as their hydro-climatic exposure. The objectives of this review paper are to statistically synthesize the effects of the influential factors, including design and hydrologic variables, on green roof performance and to explore their effects in different climatic zones. The review’s results confirm the differences in the influential variables and, thus, the performance of green roofs in different climatic zones. These are the barriers to knowledge translation among engineering designers, stormwater managers, and policymakers in different climatic zones when implementing green roofs. Consequently, region- or site-specific studies are necessary to implement green roofs with confidence. View Full-Text
Keywords: green roof; climatic zones; design and hydrologic variables; hydrologic performance; water quality performance green roof; climatic zones; design and hydrologic variables; hydrologic performance; water quality performance
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MDPI and ACS Style

Akther, M.; He, J.; Chu, A.; Huang, J.; Van Duin, B. A Review of Green Roof Applications for Managing Urban Stormwater in Different Climatic Zones. Sustainability 2018, 10, 2864.

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