River Restoration Integrated with Sustainable Urban Water Management for Resilient Cities

Aline Pires Veról, Ianic Bigate Lourenço, João Paulo Rebechi Fraga, Bruna Peres Battemarco, Mylenna Linares Merlo, Paulo Canedo de Magalhães and Marcelo Gomes Miguez
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Aline Pires Veról: Programa de Pós-Graduação em Arquitetura-PROARQ, Faculdade de Arquitetura de Urbanismo, Programa de Engenharia Civil-COPPE, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-485, Brazil
Ianic Bigate Lourenço: Programa de Engenharia Civil-COPPE, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
João Paulo Rebechi Fraga: Programa de Engenharia Urbana-PEU, Escola Politécnica, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
Bruna Peres Battemarco: Programa de Engenharia Civil-COPPE, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
Mylenna Linares Merlo: Faculdade de Arquitetura de Urbanismo, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-485, Brazil
Paulo Canedo de Magalhães: Programa de Engenharia Civil-COPPE, Programa de Engenharia Ambiental-PEA, Escola Politécnica & Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil
Marcelo Gomes Miguez: Programa de Engenharia Civil-COPPE, Programa de Engenharia Urbana-PEU, Escola Politécnica, Programa de Engenharia Ambiental-PEA Escola Politécnica & Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil

Sustainability, 2020, vol. 12, issue 11, 1-36

Abstract: Urban floods can threaten citizens’ quality of life, produce socioeconomic losses, and act as an urban degradation driver. Restoring urban rivers, however, is not simple and its results are usually limited. It would be desirable to enhance urban fluvial systems, control flood risks, and increase city resilience while improving the city itself. This work suggests that river restoration, when applied to an urban watershed, should be supported by sustainable urban drainage measures to compensate for the negative effects induced by city growth in the water cycle, in a systemic approach to the entire watershed. A methodological framework is proposed to verify this hypothesis intending to assess urban flooding projects in a wide sense. This framework uses a hydrodynamic mathematical model and a set of multicriteria indices. A case study in Dona Eugênia Watershed, in Brazil, was developed. Two different design concepts were considered: the usual drainage design and the river restoration combined with sustainable urban drainage. Both solutions were designed to completely solve the problems, leading to virtually zero flooding in the present situation; however, environmental and urban gains were greater when using the proposed combination. Besides, when testing resilience behavior, it was also shown to be more consistent over time.

Keywords: river restoration; sustainable urban drainage; integrated urban planning; flood resilience (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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