Inter-relacionamento de dados ambientais e de saúde: análise de risco à saúde aplicada ao abastecimento de água no Rio de Janeiro utilizando Sistemas de Informações Geográficas

Cadernos de Saúde Pública

Christovam Barcellos¹  Kátia Coutinho¹  Maria De Fátima Pina¹  Mônica M. A. F. Magalhães¹  Júlio C. M. D. Paola¹  Simone M. Santos¹ 

[1] ,Fundação Oswaldo CruzRio de Janeiro RJ ,Brasil

关键词: Environment;    Water Supply Systems;    Environmental Analysis;    Geographical Information Systems;    Ambiente;    Abastecimento de Água;    Análise Ambiental;    Sistemas de Informações Geográficas;   

DOI  :  10.1590/S0102-311X1998000300016

来源: SciELO

【 摘 要 】

Exposure assessment of population groups is based on linkage of environmental and health data. This relationship can be hard to establish due to spatial and temporal lags in data sets. GIS can be used as a basis for organizing health-related and environmental data sets. We examined potential health risk in the Rio de Janeiro city water supply based on the overlay of information layers containing data on the presence and quality of water supply services. We used census tracts as the primary georeferenced data, since they contain information on how households are supplied, water supply pipes, sources, and reservoirs, and water quality according to the monitoring program. Population groups exposed to risks were located and quantified using spatial operations among these layers and adopting different risk criteria. The main problems related to water supply are located on the northern slope of the Tijuca Mountain Range and in the western area of the city of Rio, where the population relies on alternative water supply sources. The different origins, objectives, and structures of data have to be analyzed critically, and GIS can be used as a data validation tool as well as an instrument for detailed identification of inconsistencies.

【 授权许可】

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