This study sought to support the mapping of occupied areas on the margin of rivers through the use of geoprocessing imaging technologies combined with the application of indices that measure the effects of the anthropic transformations in the environment, in order to verify the environmental degradation. The Anthropic Transformation Index is demonstrably efficient for space-time analyses on river basins and at environmental protection areas. In order to develop a data base to support public policies related to the preservation of the Una River Basin, this article presents the effects of the anthropic actions in the years 1962 to 2014, in the registry district of Taubaté, in the Vale do Paraíba Metropolitan Region. In order to collect data using photos and aerial images of the territory, geo-referencing and vectorization were performed by the QGIS program, which enabled quantification of the occupation and land use. Five occupational categories types had been identified in the area: watercourses, riparian forest, field or pasture, denser forest and urbanization. Afterwards, the ITA was applied and the index 5.5 was obtained, which indicates a degraded area, based on the percentage of land use and occupation. It was concluded that the greatest change occurred in a 52-year time span, in the landscape of registry district, where a marked anthropic pressure was observed.it is the significant anthropic pressure, close to the watercourses, towards the Una River Basin, in the city of Taubaté, in the state of São Paulo.
O presente artigo trata da infraestrutura verde como uma ferramenta para aperfeiçoar a relação entre cidade e natureza e minimizar os efeitos da urbanização, motivando a resiliência dos ecossistemas urbanos. Este trabalho analisa a proposta de destamponamento dos córregos urbanos como contribuição aos projetos de corredores verdes, voltados a proporcionar maior sustentabilidade urbana. Mais especificamente foi estudado o caso do córrego Pirajussara, pertencente a bacia do rio Pinheiros, na cidade de São Paulo, tamponado na maior parte de sua extensão. A proposta de destamponamento, a exemplo de realizações em outros países, atinge a várzea do rio Pinheiros, junto ao corredor verde Ibirapuera-Villa Lobos, partindo da Cidade Universitária (CUASO), um dos núcleos do corredor Ibirapuera-Villa Lobos, aumentando a colaboração dos recursos hídricos no projeto de corredor verde. O trabalho foi parte da disciplina Desenho Ambiental, do programa de pós-graduação da Faculdade de Arquitetura e Urbanismo da Universidade de São Paulo. A incorporação do córrego destamponado ao corredor amplia a utilização do espaço verde pela população dos bairros do entorno e cria mais um espaço de resiliência urbana.
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