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Are we preventing flood damage eco-efficiently? An integrated method applied to post-disaster emergency actions
Petit, Anna (Petit Boix) (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Arahuetes, Ana (Universidad de Alicante. Interuniversity Institute of Geography)
Josa Garcia-Tornel, Alejandro (Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental)
Rieradevall, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)
Gabarrell Durany, Xavier (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)

Fecha: 2016
Resumen: Flood damage results in economic and environmental losses in the society, but flood prevention also entails an initial investment in infrastructure. This study presents an integrated eco-efficiency approach for assessing flood prevention and avoided damage. We focused on ephemeral streams in the Maresme region (Catalonia, Spain), which is an urbanized area affected by damaging torrential events. Our goal was to determine the feasibility of post-disaster emergency actions implemented after a major event through an integrated hydrologic, environmental and economic approach. Life cycle assessment (LCA) and costing (LCC) were used to determine the eco-efficiency of these actions, and their net impact and payback were calculated by integrating avoided flood damage. Results showed that the actions effectively reduced damage generation when compared to the registered water flows and rainfall intensities. The eco-efficiency of the emergency actions resulted in 1. 2 kg CO2 eq. per invested euro. When integrating the avoided damage into the initial investment, negative net impacts were obtained (e. g. , − 5. 2E + 05 € and − 2. 9E + 04 kg CO2 eq. per event), which suggests that these interventions contributed with environmental and economic benefits to the society. The economic investment was recovered in two years, whereas the design could be improved to reduce their environmental footprint, which is recovered in 25 years. Our method and results highlight the effects of integrating the environmental and economic consequences of decisions at an urban scale and might help the administration and insurance companies in the design of prevention plans and climate change adaptation.
Nota: Sostenipra
Nota: Unidad de excelencia María de Maeztu MdM-2015-0552
Nota: Número d'acord de subvenció AGAUR/2014/SGR-1412
Nota: Número d'acord de subvenció MECD/FPU13/01273
Nota: Número d'acord de subvenció MINECO/CSO2012/6997-CO2-02
Derechos: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. Creative Commons
Lengua: Anglès.
Documento: article ; recerca ; acceptedVersion
Materia: Risk management ; Life cycle assessment ; Life cycle costing ; Damage prevention ; Climate change
Publicado en: Science of the total environment, Vol. 580 (February 2017) , p. 873-881, ISSN 0048-9697

DOI: 10.1016/j.scitotenv.2016.12.034

31 p, 1.7 MB

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 Registro creado el 2017-01-20, última modificación el 2019-03-05

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