Participatory Mapping for Enhancing Flood Risk Resilient and Sustainable Urban Drainage: A Collaborative Approach for the Genoa Case Study

Ilaria Gnecco (), Francesca Pirlone, Ilenia Spadaro, Fabrizio Bruno, Maria Cristina Lobascio, Sabrina Sposito, Michele Pezzagno and Anna Palla
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Ilaria Gnecco: Department of Civil, Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy
Francesca Pirlone: Department of Civil, Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy
Ilenia Spadaro: Department of Civil, Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy
Fabrizio Bruno: Department of Civil, Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy
Maria Cristina Lobascio: Department of Civil, Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy
Sabrina Sposito: Department of Civil, Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy
Michele Pezzagno: Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, 25123 Brescia, Italy
Anna Palla: Department of Civil, Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy

Sustainability, 2024, vol. 16, issue 5, 1-27

Abstract: Planning for resilient cities requires an evidence-based understanding of flood risk and the involvement of stakeholders and local actors. The paper addresses research developed within the URCA!—Urban Resilience to Climate Change: to activate the participatory mapping and decision support tool for enhancing sustainable urban drainage—project. A top-down/bottom-up participatory and flexible methodology for the conception of participatory mapping aimed at the planning and installation of sustainable urban drainage systems (SUDS) on the territory is then developed. The innovative methodology is applied and tested in the case study of the Sampierdarena district in Genoa, northern Italy. This research paper illustrates the development of a participatory map (Pmap) that can support the implementation of SUDS as mitigation/adaptation strategies, integrating technical assessment and containing community visions and expectations. Findings concerning the connections between proposed SUDS locations and their frequencies confirm the relevance of the commercial area and the main traffic lanes along, confirming that all zones characterized by intense vehicular and pedestrian flow are suitable for SUDS as a solution to contribute to urban flood resilience. The georeferenced and intergenerational Pmap may be integrated into a decision support system to be developed as a guidance tool for the public administration.

Keywords: urban resilient planning; stakeholder participation; participatory mapping; sustainable urban drainage system; flood risk (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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