Urban population exposed to risks of landslides, floods and flash floods in Brazil
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At-risk population
Census data
Disaster exposure

How to Cite

SAITO, S. M.; DIAS, M. C. de A.; ALVALÁ, R. C. dos S.; STENNER, C.; FRANCO, C.; RIBEIRO, J. V. M.; SOUZA, P. A. de; SANTANA, R. A. S. de M. Urban population exposed to risks of landslides, floods and flash floods in Brazil. Sociedade & Natureza, [S. l.], v. 31, 2019. DOI: 10.14393/SN-v31-2019-46320. Disponível em: https://seer.ufu.br/index.php/sociedadenatureza/article/view/46320. Acesso em: 20 jul. 2024.


The knowledge about the urban population exposed to disaster risk is essential for planning prevention and response actions. The aim of this study was to analyze the exposure conditions of the population groups at disaster risk areas in 479 Brazilian municipalities. The methodological procedure was based on the association of census data and landslides, flash floods, and floods risk areas. The database was made up of socio-demographic and environmental data, which allowed the characterization of the residents and the houses at-risk areas. The results showed that the largest number of people exposed was in the Southeast region of the country, although, in proportional terms, in the Northeast region 15 out of every 100 people lived in risk areas. These data could allow the selection of areas for priority actions, in order to help the implementation of regional public policies that promote the reduction of human losses in Brazil.

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