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Application of Social Vulnerability Index (SoVI) and delineation of natural risk zones in Greater Lisbon, Portugal
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Orientador(es)
Resumo(s)
Social Vulnerability Index (SoVI) was applied to Greater Lisbon (Portugal).
Based on the concepts used for the SoVI assessments in the US, 46 variables
representing social vulnerability of the 149 civil parishes of Greater Lisbon were
chosen. Thirty-eight variables were selected after application of correlation tests.
They were standardized, and a Principal Component Analysis and a Varimax
rotation were applied to them. Seven factors were extracted using the Kaiser criterion,
which explain 79.5% of the variance, and the SoVI scores were then
mapped using a standard deviation classification. Twelve of the 149 civil parishes
of Greater Lisbon have a very high social vulnerability and 24 of them
have a high social vulnerability. The map of SoVI was then integrated with susceptibility
maps of earthquakes, floods, flash floods, landslides, tsunami, and
coastal erosion, thus delineating risk zones. Twenty-two civil parishes of Greater
Lisbon have a very high risk; among them, 17 belong to Lisbon Municipality,
four belong to Loures Municipality, and one belongs to Vila Franca de Xira
Municipality. Finally, exposed population was considered and combined with
risk zones map in order to assess the number of people being potentially exposed
to risk and their location.
Descrição
Palavras-chave
Natural hazards Social vulnerability Susceptibility maps Risk zones Greater Lisbon SoVI Multi-hazard maps Regional scale
Contexto Educativo
Citação
Guillard-Gonçalves, Clémence, Cutter, Susan L., Emrich, Christopher T. & Zêzere, José. (2015). Application of Social Vulnerability Index (SoVI) and delineation of natural risk zones in Greater Lisbon, Portugal. Journal of Risk Research, 18(5), 651-674. https://doi.org/10.1080/13669877.2014.910689
Editora
Taylor & Francis