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Article

Theoretical Framework to Assess Green Roof Performance in Mitigating Urban Flooding as a Potential Nature-Based Solution

1
School of Architecture, Planning and Environmental Policy, University College Dublin, D04 V1W8 Dublin 4, Ireland
2
École Centrale de Marseille, 13013 Marseille, France
3
Civil Structural and Environmental Engineering, Munster Technological University, T12 P928 Cork, Ireland
*
Author to whom correspondence should be addressed.
Academic Editor: Andrzej Walega
Sustainability 2021, 13(23), 13231; https://doi.org/10.3390/su132313231
Received: 7 October 2021 / Revised: 22 November 2021 / Accepted: 25 November 2021 / Published: 29 November 2021
Increases in extreme hydro-meteorological events due to climate change and decreases in soil permeability and infiltration due to urbanization have increased the risk of flooding, particularly in cities. The limitation of the expansion of conventional drainage systems to manage excess stormwater leads to the application of nature-based solutions (NBS) to control flooding. This study explores potential of green roof NBS for rainfall-fed flood reduction, which can utilize existing roof space for deployment. A detailed literature survey using systematic literature-search procedures was conducted to investigate the performance of extensive/intensive green roofs in runoff reduction using monitoring/modeling approaches. Since limited studies have explored the use of semi-intensive green roofs for flood management, a new simulation study has been developed to compare the effectiveness of semi-intensive green roofs. The performance of different types of vegetation used on green roofs in runoff reduction was investigated using a simulation study, which was validated using a real-world green roof deployed in Dublin. View Full-Text
Keywords: nature-based solutions; green roofs; flood control; evapotranspiration; soil moisture content nature-based solutions; green roofs; flood control; evapotranspiration; soil moisture content
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MDPI and ACS Style

Basu, A.S.; Pilla, F.; Sannigrahi, S.; Gengembre, R.; Guilland, A.; Basu, B. Theoretical Framework to Assess Green Roof Performance in Mitigating Urban Flooding as a Potential Nature-Based Solution. Sustainability 2021, 13, 13231. https://doi.org/10.3390/su132313231

AMA Style

Basu AS, Pilla F, Sannigrahi S, Gengembre R, Guilland A, Basu B. Theoretical Framework to Assess Green Roof Performance in Mitigating Urban Flooding as a Potential Nature-Based Solution. Sustainability. 2021; 13(23):13231. https://doi.org/10.3390/su132313231

Chicago/Turabian Style

Basu, Arunima S., Francesco Pilla, Srikanta Sannigrahi, Rémi Gengembre, Antoine Guilland, and Bidroha Basu. 2021. "Theoretical Framework to Assess Green Roof Performance in Mitigating Urban Flooding as a Potential Nature-Based Solution" Sustainability 13, no. 23: 13231. https://doi.org/10.3390/su132313231

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