Elaboração de carta de susceptibilidade à erosão das bacias dos rios Araraquara e Cubatão-SP, escala 1:50.000 / Elaboration of the erosion susceptibility map of the Araraquara and Cubatão river basins - SP, scale 1:50.000

AUTOR(ES)
DATA DE PUBLICAÇÃO

2002

RESUMO

In this present work many environmental attributes were identified, in order to create a soil erosion susceptibility chart (1:50.000 scale) for the Cubatão and Araraquara hydrographic basin, which in turn, are part of the greater Pardo river basin. These attributes were bedrock classification, unconsolidated materials, slope and land use. The soil erosion susceptibility chart was meant to help the land use management of that particular region by identifying areas with different soil erosion vulnerability. This study was leaded following conceptual and methodological bases from the traditional engineering geological mapping approach. Geographical information system (GIS) were applied to analyze satellite images for a specific utilization, as well as for dealing with the environmental data, obtained along all the work stages. It was intended also to provide a better understanding of the property called erodibility and to identify which of the unconsolidated material attributes really contributes to its erosion.

ASSUNTO(S)

soil erosion sig cubatão river engineering geological mapping erodibility araraquara river susceptibilidade erodibilidade sistemas de informação geográfica rio araraquara geographical information system (gis) erosão mapeamento geotécnico rio cubatão susceptibility

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