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Sistemas de Informação
Geográfica
Quantificação de Impacto ambiental
Sonoro com SIG
• Quantificar a população dentro das curvas de ruído
• Sistema de Informação Geográfica
– Sistema que permite entrada, armazenamento, manipulação e
vizualização de dados georreferenciados
– Os mapas (dados gráficos) são associados a uma planilha de dados
quantitativos ou qualitativos (dados descritivos)
Sistema de Informação Geográfica
• Sistema de Informação
Geográfica
– Sobreposição de camadas
(layers) formando mapas –
útil para manipulação do
zoneamento urbano
– operações entre as camadas
(overlay) – útil para
quantificação de população
Quantificação de Impacto Sonoro com SIG
Camadas(Layers) utilizadas
• Curvas de ruído geradas pelo INM
• Imagem de Satélite
• Malha digital de setores censitários
disponibilizados pelo IBGE ou outros órgãos
Teste de motor na Cabeceira
33 voltado para o norte.
Teste de motor na Cabeceira
33 voltado para leste.
Região Área (km²) População
DNL > 85dB(A) 0,19 13
80 dB(A) > DNL > 85dB(A) 0,18 15
75 dB(A) > DNL > 80dB(A) 0,31 22
70 dB(A) > DNL > 75dB(A) 0,67 44
65 dB(A) > DNL > 70dB(A) 2,50 245
TOTAL 3,84 339
Região Área (km²) População
DNL > 85dB(A) 0,19 13
80 dB(A) > DNL > 85dB(A) 0,18 15
75 dB(A) > DNL > 80dB(A) 0,31 22
70 dB(A) > DNL > 75dB(A) 0,66 127
65 dB(A) > DNL > 70dB(A) 2,51 1924
TOTAL 3,85 2101
Fonte: GERA
Teste de motor na Cabeceira
33 voltado para o norte.
Teste de motor na Cabeceira
15 voltado para o norte.
Região Área (km²) População
DNL > 85dB(A) 0,19 13
80 dB(A) > DNL > 85dB(A) 0,18 15
75 dB(A) > DNL > 80dB(A) 0,31 22
70 dB(A) > DNL > 75dB(A) 0,67 44
65 dB(A) > DNL > 70dB(A) 2,50 245
TOTAL 3,84 339
Fonte: GERA
Região Área (km²) População
DNL > 85dB(A) 0,19 13
80 dB(A) > DNL > 85dB(A) 0,18 31
75 dB(A) > DNL > 80dB(A) 0,30 149
70 dB(A) > DNL > 75dB(A) 0,67 791
65 dB(A) > DNL > 70dB(A) 2,50 6148
TOTAL 3,84 7131
Curva DNL - SBGR
Fonte: GERA
Região Área (km²) População
DNL > 85dB(A) 0,69 6
80 dB(A) > DNL > 85dB(A) 1,28 14
75 dB(A) > DNL > 80dB(A) 2,15 80
70 dB(A) > DNL > 75dB(A) 5,55 28.787
65 dB(A) > DNL > 70dB(A) 13,82 95.975
DNL < 65dB(A) 23,50 124.863

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Sistemas de informação_geográfica

  • 1. Sistemas de Informação Geográfica Quantificação de Impacto ambiental Sonoro com SIG
  • 2. • Quantificar a população dentro das curvas de ruído • Sistema de Informação Geográfica – Sistema que permite entrada, armazenamento, manipulação e vizualização de dados georreferenciados – Os mapas (dados gráficos) são associados a uma planilha de dados quantitativos ou qualitativos (dados descritivos) Sistema de Informação Geográfica
  • 3. • Sistema de Informação Geográfica – Sobreposição de camadas (layers) formando mapas – útil para manipulação do zoneamento urbano – operações entre as camadas (overlay) – útil para quantificação de população Quantificação de Impacto Sonoro com SIG
  • 4. Camadas(Layers) utilizadas • Curvas de ruído geradas pelo INM • Imagem de Satélite • Malha digital de setores censitários disponibilizados pelo IBGE ou outros órgãos
  • 5. Teste de motor na Cabeceira 33 voltado para o norte. Teste de motor na Cabeceira 33 voltado para leste. Região Área (km²) População DNL > 85dB(A) 0,19 13 80 dB(A) > DNL > 85dB(A) 0,18 15 75 dB(A) > DNL > 80dB(A) 0,31 22 70 dB(A) > DNL > 75dB(A) 0,67 44 65 dB(A) > DNL > 70dB(A) 2,50 245 TOTAL 3,84 339 Região Área (km²) População DNL > 85dB(A) 0,19 13 80 dB(A) > DNL > 85dB(A) 0,18 15 75 dB(A) > DNL > 80dB(A) 0,31 22 70 dB(A) > DNL > 75dB(A) 0,66 127 65 dB(A) > DNL > 70dB(A) 2,51 1924 TOTAL 3,85 2101 Fonte: GERA
  • 6. Teste de motor na Cabeceira 33 voltado para o norte. Teste de motor na Cabeceira 15 voltado para o norte. Região Área (km²) População DNL > 85dB(A) 0,19 13 80 dB(A) > DNL > 85dB(A) 0,18 15 75 dB(A) > DNL > 80dB(A) 0,31 22 70 dB(A) > DNL > 75dB(A) 0,67 44 65 dB(A) > DNL > 70dB(A) 2,50 245 TOTAL 3,84 339 Fonte: GERA Região Área (km²) População DNL > 85dB(A) 0,19 13 80 dB(A) > DNL > 85dB(A) 0,18 31 75 dB(A) > DNL > 80dB(A) 0,30 149 70 dB(A) > DNL > 75dB(A) 0,67 791 65 dB(A) > DNL > 70dB(A) 2,50 6148 TOTAL 3,84 7131
  • 7. Curva DNL - SBGR Fonte: GERA Região Área (km²) População DNL > 85dB(A) 0,69 6 80 dB(A) > DNL > 85dB(A) 1,28 14 75 dB(A) > DNL > 80dB(A) 2,15 80 70 dB(A) > DNL > 75dB(A) 5,55 28.787 65 dB(A) > DNL > 70dB(A) 13,82 95.975 DNL < 65dB(A) 23,50 124.863