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Social vulnerability assessment to seismic risk using multicriteria analysis: the case study of Vila Franca do Campo (São Miguel Island, Azores, Portugal)

Martins, V. Nuno ; e Silva, Delta Sousa ; Cabral, Pedro

Natural hazards (Dordrecht), 2012-06, Vol.62 (2), p.385-404 [Periódico revisado por pares]

Dordrecht: Springer Netherlands

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Título:
Social vulnerability assessment to seismic risk using multicriteria analysis: the case study of Vila Franca do Campo (São Miguel Island, Azores, Portugal)
Autor: Martins, V. Nuno ; e Silva, Delta Sousa ; Cabral, Pedro
Assuntos: Assessments ; Azores ; Buildings ; Case studies ; Civil Engineering ; Criteria ; Decision-making ; Demographics ; Disasters ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; Earthquakes ; Engineering and environment geology. Geothermics ; Environment ; Environmental Management ; Exact sciences and technology ; Geographic information systems ; Geophysics/Geodesy ; Geotechnical Engineering & Applied Earth Sciences ; Hazards ; Households ; Hydrogeology ; Islands ; Natural Hazards ; Natural hazards: prediction, damages, etc ; Natural resources ; Planning ; Population density ; Portugal ; Risk ; Risk factors ; Seismic engineering ; Seismic phenomena ; Seismology ; Social conditions ; Social groups ; Social systems ; Socioeconomic status ; Urban areas
É parte de: Natural hazards (Dordrecht), 2012-06, Vol.62 (2), p.385-404
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: The increase in the frequency and magnitude of disasters triggered by earthquakes in different regions of the Earth is a major challenge to contemporary societies. The awareness that disasters and risk are processes structured on spatial–temporal interactions maintained at the social-ecological system between the natural hazards and the vulnerabilities of socioeconomic, political and physical nature becomes utterly important in the increase of social systems’ resilience. Thus, the assessment of social vulnerability plays a decisive role in understanding the factors that distinguishes individuals, households and communities, in terms of their ability to anticipate, cope with, resist to and recover from the impact of disasters triggered by natural hazards. This article presents a geographic information system (GIS)-based approach model to assess the social vulnerability to seismic risk using multicriteria analysis (MCA) techniques, in a group decision-making process. The methodology applied to the municipality of Vila Franca do Campo (São Miguel Island, Azores, Portugal) identified moderate social vulnerability values at the neighbourhood level and higher social vulnerability values for the built environment and demographic characteristics of the social groups. The social vulnerability patterns make a clear distinction between the older/historical urban cores and the new urban areas. In the first case, the presence of ancient buildings constructed with materials of low resistance to earthquakes coupled with a higher population density and the traits of demographic and socioeconomic frailties of the social groups, results in higher vulnerability values. This pattern is common in the historic centre of S. Miguel district, Ribeira das Taínhas, northern areas of Água de Alto and western and eastern neighbourhoods of Ponta Garça. The new urban areas, mainly found in S. Pedro, central areas of Água de Alto, S. Miguel and Ponta Garça districts, have lower values of social vulnerability due to changes in the built, demographic and socioeconomic environments. Results recommend the integration of social vulnerability indexes into seismic risk mitigation policies and emergency management planning.
Editor: Dordrecht: Springer Netherlands
Idioma: Inglês

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Social vulnerability assessment to seismic risk using multicriteria analysis: the case study of Vila Franca do Campo (São Miguel Island, Azores, Portugal)

Martins, V. Nuno ; e Silva, Delta Sousa ; Cabral, Pedro

Dordrecht: Springer Netherlands

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