Analysis of SRTM data and CBERS 2B images to identify areas susceptible to illegal use in the easement areas power line

Authors

  • Claudionor Ribeiro Silva Universidade Federal de Uberlândia Instituto de Geografia Eng. Agrimensura e Cartográfica
  • Admilson da Penha Pacheco Universidade Federal do Pernambuco Departamento de Engenharia Cartográfica
  • Silas Valente Companhia Hidro Elétrica do São Francisco (Chesf) Departamento de Cartografia e Geoprocessamento

DOI:

https://doi.org/10.5902/2179460X11286

Keywords:

Power Line, Easement, SRTM, CBERS 2B.

Abstract

http://dx.doi.org/10.5902/2179460X11286

Irregular use of the easements areas power lines has been recurring throughout Brazil. Any uses of easements that are not included in the project to build the power line are considered illegal occupation or invasion. This paper aims to establish a methodology to identify areas within the easement that are susceptible to illegal occupation. SRTM data and CBERS 2B image were used to generate maps of slope and thematic, respectively. The test area belongs to utility company (CHESF) and refers to the power line Ibicoara/Brumado, in the state of Bahia/Brazil. The proposed method involves a logarithmic model for thematic classes and the slope map. The results showed the easement areas that actually have potential for possible occupation.

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Author Biographies

Claudionor Ribeiro Silva, Universidade Federal de Uberlândia Instituto de Geografia Eng. Agrimensura e Cartográfica

Professor da Universidade Federal de Uberlândia PhD - Universidade do Porto/Pt (UP) Doutor - Universidade Federal do Paraná (UFPR) Eng. Agrimensor Universidade Federal de Viçosa (UFV)

Admilson da Penha Pacheco, Universidade Federal do Pernambuco Departamento de Engenharia Cartográfica

Físico (UFRN/1986), Mestrado em Sensoriamento Remoto pelo Instituto Nacional de Pesquisas Espaciais (1989) - INPE e Doutorado em Geofísica pela Universidade de São Paulo - USP/IAG (1995). Atualmente é Professor Associado III da UFPE, Membro Permanente do Programa de Pós-graduação em Ciências Geodésicas Tecnologias da Geoinformação da UFPE (tendo exercido a funcão de Coordenador durante o período de 2005 a 2008); Membro Colaborador do Programa de Geociências da UFPE a partir de 2011; Coordenação e participação de Projetos de Pesquisa e Desenvolvimento de orgãos de fomento (CNPq, ANEEL, FINEPE, FACEPE) atuando nas áreas de Geofísica, Sensoriamento Remoto, Processamento de Imagens de Materiais Naturais e Artificiais, e Meio Ambiente.

Silas Valente, Companhia Hidro Elétrica do São Francisco (Chesf) Departamento de Cartografia e Geoprocessamento

Possui graduação em Engenharia Cartográfica pela Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP (2004). Atualmente é assessor do Departamento de Cartografia e Geoprocessamento da Chesf - Companhia Hidro Elétrica do São Francisco e mestrando em Ciências Geodésicas e Tecnologias da Geoinformação pela UFPE.

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Published

2014-07-31

How to Cite

Silva, C. R., Pacheco, A. da P., & Valente, S. (2014). Analysis of SRTM data and CBERS 2B images to identify areas susceptible to illegal use in the easement areas power line. Ciência E Natura, 36(2), 128–136. https://doi.org/10.5902/2179460X11286

Issue

Vol. 36 No. 2 (2014)

Section

Geo-Sciences

License

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