Avaliação da suscetibilidade a processos erosivos e movimentos de massa: decisão multicriterial suportada em sistemas de informações geográficas

Authors

  • Luiz Carlos Pittol Martini Universidade Federal de Santa Catarina; Centro de Ciências Agrárias; Departamento de Engenharia Rural
  • Antonio Ayrton Auzani Uberti Universidade Federal de Santa Catarina; Centro de Ciências Agrárias; Departamento de Engenharia Rural
  • Luiz Fernando Scheibe Universidade Federal de Santa Catarina; Centro de Filosofia e Ciências Humanas; Departamento de Geociências
  • Jucinei José Comin Universidade Federal de Santa Catarina; Centro de Ciências Agrárias; Departamento de Engenharia Rural
  • Marcelo Accioly Teixeira de Oliveira Universidade Federal de Santa Catarina; Centro de Filosofia e Ciências Humanas; Departamento de Geociências

DOI:

https://doi.org/10.5327/S1519-874X2006000200004

Keywords:

soil erosion, mass movements, multi-criteria evaluation

Abstract

The paper presents a set of erosion and mass movements susceptibility assessment procedures applied to the area of direct influence of the Quebra-Queixo hydroelectric power plant, located on the Chapecó river, Santa Catarina state, Brazil. The susceptibility assessment was based on the use of multi-criteria decision supported by a GIS. For the composition of the multi-criteria decision relief, soil and vegetation cover criteria were used, and were divided into eleven predominant factors. The weighted linear combination method was used in the association of factors, with weights and scores attributed to the method through technical consensus. The main result was a thematic map containing the spatial distribution of the erosive and mass movements susceptibility classes for the hydroelectric power plant's surroundings.

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Published

2006-07-01

Issue

Vol. 6 No. 1 (2006)

Section

Articles

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How to Cite

Martini, L. C. P., Uberti, A. A. A., Scheibe, L. F., Comin, J. J., & Oliveira, M. A. T. de. (2006). Avaliação da suscetibilidade a processos erosivos e movimentos de massa: decisão multicriterial suportada em sistemas de informações geográficas . Geologia USP. Série Científica, 6(1), 41-52. https://doi.org/10.5327/S1519-874X2006000200004