A vulnerabilidade socioambiental a desastres:
cenários e desafios para o município de Brusque (SC)
DOI:
https://doi.org/10.5585/geas.v12i2.22368Palavras-chave:
movimentos de massa, vulnerabilidade socioambiental, desastres socioambientais, impacto; , Brusque.Resumo
Objetivo do Estudo: Desde o início deste século, o município de Brusque (SC) tem experimentado um aumento significativo nas ocorrências de movimentos de massa, resultando em danos graves à infraestrutura da cidade e perda de vidas. O artigo objetiva classificar a vulnerabilidade socioambiental (VSA) do município de Brusque (SC) aos desastres socioambientais (movimentos de massa).
Metodologia: O mapa de VSA foi desenvolvido a partir de uma análise multicritério com auxílio do Sistema de Informação Geográfica (SIG). Para o funcionamento da classificação de VSA foi necessária a constituição dos índices de propensão (Ivs) e exposição (Iva). Os índices foram cruzados numa Matriz de Vulnerabilidade Socioambiental e aplicados ao mapa de setores censitários do município de Brusque.
Originalidade/Relevância: A relevância do estudo se justifica pelo desenvolvimento de uma metodologia de avaliação de vulnerabilidade socioambiental a desastres, que considera não apenas as questões do meio-físico natural local, mas também a capacidade de determinados grupos sociais em prevenir, absorver, resistir/responder e se adaptar aos desastres socioambientais.
Principais Resultados: Os resultados classificam o município de Brusque como de alta vulnerabilidade socioambiental à movimentos de massa. A classificação aponta um padrão de alta suscetibilidade ambiental e um progressivo aumento da população em vulnerabilidade social, localizada em áreas de risco.
Contribuições: este artigo vem no sentido de contribuir por meio de avanços em pesquisas de avaliação e formulação de propostas de gestão integrada dos riscos e da resiliência nos municípios do Vale do Itajaí/SC/Brasil. Nesse contexto, é importante a compreensão dos cenários de maior impacto dos desastres socioambientais, como ferramenta de planejamento urbano e gestão dos riscos de desastres no município de Brusque/SC.
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