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Inflows and Outflows from Material Stocks of Buildings and Networks and their Space-Differentiated Drivers: The Case Study of the Paris Region

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Sustainability 2021, 13(3), 1376; https://doi.org/10.3390/su13031376
Received: 18 December 2020 / Revised: 13 January 2021 / Accepted: 15 January 2021 / Published: 28 January 2021
(This article belongs to the Section Resources and Sustainable Utilization)
Urbanization causes massive flows of construction materials and waste, which generates environmental impacts and land-use conflicts. Circular economy strategies at a local scale and in coordination with urban planning could respond to those issues. Implementing these strategies raises challenges as it requires a better knowledge of flows and their space-differentiated drivers. This article focuses on the case of the Paris region (Ile-de-France) in 2013. Construction materials inflows and outflows to and from anthropogenic stocks of buildings and networks are estimated and located though a bottom-up approach based on the collection and processing of geolocalized data. Flow analysis focuses on the relationship between urbanization and flows with a view to establishing context-specific circular economy strategies. Results show that regional inflows of construction materials to stocks in 2013 reach between 1.8 and 2.1 t/capita while outflows are between 1.0 and 1.5 t/capita. Both inflows and outflows are mainly driven by building construction and demolition as well as by road renewal. The region is composed of three sub-urban areas and flows per capita in the dense central city of Paris are significantly lower than in the low-density outskirt area of Grande Couronne (GC). Road renewal accounts for a larger share of flows in GC. Future research will address methodological limits. View Full-Text
Keywords: construction materials; material flow analysis (MFA); urbanization; circular economy; metabolism construction materials; material flow analysis (MFA); urbanization; circular economy; metabolism
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MDPI and ACS Style

Augiseau, V.; Kim, E. Inflows and Outflows from Material Stocks of Buildings and Networks and their Space-Differentiated Drivers: The Case Study of the Paris Region. Sustainability 2021, 13, 1376. https://doi.org/10.3390/su13031376

AMA Style

Augiseau V, Kim E. Inflows and Outflows from Material Stocks of Buildings and Networks and their Space-Differentiated Drivers: The Case Study of the Paris Region. Sustainability. 2021; 13(3):1376. https://doi.org/10.3390/su13031376

Chicago/Turabian Style

Augiseau, Vincent, and Eunhye Kim. 2021. "Inflows and Outflows from Material Stocks of Buildings and Networks and their Space-Differentiated Drivers: The Case Study of the Paris Region" Sustainability 13, no. 3: 1376. https://doi.org/10.3390/su13031376

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