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Potential for urban greening with green roofs: A way towards smart cities
Joshi, Mitali; Selmi, Wissal; Binard, Marc et al.
2020In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, VI-4 (W2-2020), p. 87–94
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Keywords :
Green roofs; remote sensing; GIS; LiDAR; smart cities; sustainability; socio-economic deprivation
Abstract :
[en] Cities are experiencing increased pressure on social, economic, and environmental sectors due to the rapid urbanisation and increasing risk owing to climate change affecting the urban environment. Solutions such as green roofs are often discussed in the context of smart and sustainable cities as they present a multi-functional and solution-oriented approach to address these challenges. Green roofs become extremely relevant in the context of highly urbanised and compact cities where impervious surfaces are abundant. Therefore, in this paper, we analyse the potential of green roofs at a city scale with the help of parameters such as area and slope of the roof and structure of the building. We also identify the priority zones based on environmental and socio-economic parameters. The study is carried out in the city of Liege, Belgium. The results suggest that around 20% (350 hectares) of the total buildings in the city have the potential for developing green roofs. Moreover, the potential of green roofs is quite significant in terms of roof area in the priority zone. Due to significant socio-economic deprivation in high priority zones, implementation of green roofs might not be affordable. Buildings with larger roof sizes are mostly owned by ompanies or commercial establishments, thus, making larger roofs more relevant for retrofitting green roof. Thus, our approach can act as a preliminary decision-making tool for urban planners to analyse the potential of green roofs and prioritize them in deprived areas.
Research center :
Local environmental and management analysis
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Joshi, Mitali  ;  Université de Liège - ULiège > Doct. art bâtir & urba. (FSA -paysage)
Selmi, Wissal ;  Université de Liège - ULiège > Département ArGEnCo > Urbanisme et aménagement du territoire
Binard, Marc ;  Université de Liège - ULiège > Dép. de Géographie : Plateforme "GITAN"
Nys, Gilles-Antoine  ;  Université de Liège - ULiège > Département de géographie > Unité de Géomatique - Topographie et géométrologie
Teller, Jacques  ;  Université de Liège - ULiège > Département ArGEnCo > Urbanisme et aménagement du territoire
Language :
English
Title :
Potential for urban greening with green roofs: A way towards smart cities
Publication date :
2020
Event name :
5th International conference on smart data and smart cities
Event organizer :
Urban Data Management Society (UDMS)
International Society for Photogrammetry and Remote Sensing (ISPRS)
Mediterranean Institute for Risk, Environment and Sustainable Development (IMREDD) of Université Côte d’Azur
UMR 7300 ESPACE Laboratory of Geography and Urban Planning at the French National Centre for Scientific Research (CNRS
Event place :
Nice, France
Event date :
from 30-09-2020 to 02-10-2020
Audience :
International
Journal title :
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
ISSN :
2194-9042
eISSN :
2194-9050
Publisher :
Copernicus, Goettingen, Germany
Volume :
VI-4
Issue :
W2-2020
Pages :
87–94
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
CityRoof
Available on ORBi :
since 28 September 2020

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