LANDSCAPE CLASSIFICATION OF BACACHERI DISTRICT COM BASE NA COBERTURA DO SOLO

The intense densification of population and building associated with decrease of vegetation contribute to the fall of the environmental quality of urban centers. However, it is important to recognize that the level of development of a society is configured according to the ability to preserve and re...

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Published in:Ra'e ga no. 32; p. 146
Main Authors: Dias, Mariana Andreotti, Nucci, Joao Carlos, Valaski, Simone
Format: Journal Article
Language:Spanish
Published: Editora da UFPR 01-12-2014
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Abstract The intense densification of population and building associated with decrease of vegetation contribute to the fall of the environmental quality of urban centers. However, it is important to recognize that the level of development of a society is configured according to the ability to preserve and respect nature where spatial planning is paramount. It was applied a method of land cover classification that consider the landscape structure and execute inferences over its dynamic related with the environmental quality. The Bacacheri district (Curitiba, PR) was chosen as the test area because it already has a similar survey based on aerial photographs of 2001. This fact allowed a temporal comparison. The survey was based on satellite images (Google Earth), in scales between 1:5.000 e 1:3.000, 2010. The mapping and the data processing were made using the tools of the software ARCGiS 10.1 by ESRI. It was conclude that the district had lost 46,9ha of the shrub and herbaceous vegetation in just eighty years. Although the district still has a good environmental quality, comparing with some German cities, it runs the risk of intensified occupation of land by buildings, which would result in a decrease of this quality. Keywords: Land use, urban densification, environmental quality. O intenso adensamento populacional e de edificacoes, associado a diminuicao da vegetacao concorrem para a queda da qualidade ambiental dos centros urbanos. Porem, e importante que se reconheca que o nivel de desenvolvimento de uma sociedade se configura conforme a capacidade de preservacao e respeito a natureza onde o ordenamento do espaco e primordial. Foi aplicado um metodo de classificacao da cobertura do solo que considera a estrutura da paisagem e executa inferencias quanto a sua dinamica relacionada a qualidade ambiental. A area teste foi o bairro do Bacacheri (Curitiba, Parana), pois o mesmo ja apresenta um levantamento semelhante realizado com base em fotografias aereas de 2001, o que permitiu uma comparacao temporal. O levantamento foi feito com base em imagens de satelite (Google Earth) nas escalas entre 1:5.000 e 1:3.000 e do ano 2010. Para o mapeamento e o tratamento dos dados foram utilizadas as ferramentas do software ARCGIS 10.1 da ESRI. Concluiu-se que o bairro perdeu 46,9ha de vegetacao arbustiva e herbacea em apenas oito anos, e que apesar de ainda manter uma boa qualidade ambiental, em comparacao com algumas cidades alemas, corre o risco de uma intensificacao da ocupacao do solo por edificacoes, o que acarretaria em uma diminuicao dessa qualidade. Palavras-chave: Uso da terra, adensamento urbano, qualidade ambiental.
AbstractList The intense densification of population and building associated with decrease of vegetation contribute to the fall of the environmental quality of urban centers. However, it is important to recognize that the level of development of a society is configured according to the ability to preserve and respect nature where spatial planning is paramount. It was applied a method of land cover classification that consider the landscape structure and execute inferences over its dynamic related with the environmental quality. The Bacacheri district (Curitiba, PR) was chosen as the test area because it already has a similar survey based on aerial photographs of 2001. This fact allowed a temporal comparison. The survey was based on satellite images (Google Earth), in scales between 1:5.000 e 1:3.000, 2010. The mapping and the data processing were made using the tools of the software ARCGiS 10.1 by ESRI. It was conclude that the district had lost 46,9ha of the shrub and herbaceous vegetation in just eighty years. Although the district still has a good environmental quality, comparing with some German cities, it runs the risk of intensified occupation of land by buildings, which would result in a decrease of this quality. Keywords: Land use, urban densification, environmental quality. O intenso adensamento populacional e de edificacoes, associado a diminuicao da vegetacao concorrem para a queda da qualidade ambiental dos centros urbanos. Porem, e importante que se reconheca que o nivel de desenvolvimento de uma sociedade se configura conforme a capacidade de preservacao e respeito a natureza onde o ordenamento do espaco e primordial. Foi aplicado um metodo de classificacao da cobertura do solo que considera a estrutura da paisagem e executa inferencias quanto a sua dinamica relacionada a qualidade ambiental. A area teste foi o bairro do Bacacheri (Curitiba, Parana), pois o mesmo ja apresenta um levantamento semelhante realizado com base em fotografias aereas de 2001, o que permitiu uma comparacao temporal. O levantamento foi feito com base em imagens de satelite (Google Earth) nas escalas entre 1:5.000 e 1:3.000 e do ano 2010. Para o mapeamento e o tratamento dos dados foram utilizadas as ferramentas do software ARCGIS 10.1 da ESRI. Concluiu-se que o bairro perdeu 46,9ha de vegetacao arbustiva e herbacea em apenas oito anos, e que apesar de ainda manter uma boa qualidade ambiental, em comparacao com algumas cidades alemas, corre o risco de uma intensificacao da ocupacao do solo por edificacoes, o que acarretaria em uma diminuicao dessa qualidade. Palavras-chave: Uso da terra, adensamento urbano, qualidade ambiental.
Audience Academic
Author Nucci, Joao Carlos
Dias, Mariana Andreotti
Valaski, Simone
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