Análise comparativa entre o modelo de fragilidade ambiental urbana e o modelo de vulnerabilidade natural à perda de solo na bacia do ribeirão Anicuns, Goiânia-GO
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2020-07-10
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Universidade Federal de Goiás
Resumo
This paper presents a comparative analysis of the natural predisposition of land to erosive
processes and soil loss, based on the application of two methodological models used in
environmental fragility and environmental vulnerability studies in the same area, Anicuns river
basin, Goiânia-GO. The application of these empirical models resulted in the creation of two
different mappings, which were analyzed and compared to each other. The first methodological
model, Urban Environmental Fragility bases on slope classes. The second empirical model,
Natural Vulnerability to Soil Loss bases on Basics Territorial Units. The cartographic
representations derived from the application of the empirical models allow the identification,
hierarchy and analysis of areas according to the different levels of susceptibility to erosive
processes, constituting on guiding tools in the process of territorial zoning of hydrographic
basins, being able to subsidize the strategic environmental planning. Analyzing the final
products, despite the differences between the methodologies, regarding the adoption of the
variables and the results related to the information plans, the summary maps presented
similarities regarding the final classification, being the correlation between them considered as
very strong.
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LUCENA, I. B. Análise comparativa entre o modelo de fragilidade ambiental urbana e o modelo de vulnerabilidade natural à perda de solo na bacia do ribeirão Anicuns, Goiânia-GO. 2020. 74 f. Dissertação (Mestrado em Geografia) - Universidade Federal de Goiás, Goiânia, 2019.