Mapping the contamination risk of the Serra Geral aquifer system in the municipality of Chapecó (SC
The objective of this work was to map the vulnerability, hazard and risk to contamination of the Serra Geral Aquifer System in the municipality of Chapecó, by applying the GOD, POSH and map algebra methods, respectively. For this, information on hydrogeology, pedology and static level of wells drill...
| Autores: | , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2017 |
| País: | Brasil |
| Institución: | Associação Brasileira de Águas Subterrâneas |
| Repositorio: | Águas Subterrâneas (São Paulo. Online) |
| Idioma: | portugués |
| OAI Identifier: | oai:ojs.aguassubterraneas.abas.org:article/28864 |
| Acceso en línea: | https://aguassubterraneas.abas.org/asubterraneas/article/view/28864 |
| Access Level: | acceso abierto |
| Palabra clave: | Vulnerability. Hazard. Planning. GOD. POSH. Vulnerabilidade. Perigo. Planejamento. GOD. POSH. |
| Sumario: | The objective of this work was to map the vulnerability, hazard and risk to contamination of the Serra Geral Aquifer System in the municipality of Chapecó, by applying the GOD, POSH and map algebra methods, respectively. For this, information on hydrogeology, pedology and static level of wells drilled in the region and registered in the Groundwater Information System was used. Through the GOD method, the vulnerability of the Serra Geral aquifer system was estimated as low in approximately 90% of the municipal area. However, 57% of the area of the municipality and 83% of the urban perimeter were classified as high hazard. As a result, approximately half of the Serra Geral Aquifer System area in the municipality has a high risk, and in the urban perimeter this percentage is even higher, 71%. These results demonstrate the need for adequate planning about the location of both new wells and anthropogenic activities. The maps elaborated can be used as a tool for the territorial planning of the municipality. |
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