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Proposed Relief Map of the Suitability of the Maranhão River Basin, Brazil, for Anthropogenic Use
University of Brasilia, Brasília, Brazil
University of Brasilia, Brasília, Brazil
University of Brasilia, Brasília, Brazil
University of Brasilia, Brasília, Brazil
- 1 University of Brasilia, Brasília, Brazil
- 2 University of Brasilia, Brasília, Brazil
- 3 University of Brasilia, Brasília, Brazil
- 4 University of Brasilia, Brasília, Brazil
Journal of Geographic Information System·Volume 08 (2016)·Pages 351–360·Published 11 May 2016·DOI10.4236/jgis.2016.83030
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Abstract
In this paper, we proposed a method for mapping the suitability of land for intensive anthropogenic use in the Maranhao River Basin, in the state of Goiás, Brazil. We analyzed existing 1:250,000 maps of the local geology, drainage system topography and geomorphological features. We generated new information based on our analysis, including a compilation of basic morphometric data and a map of the slopes in the basin, which we used to construct the geomorphological suitability map of the watershed. Our results indicate that 40% of the study area can support intensive anthropogenic use; the remaining 60% of the basin area is categorized as “fragile” regarding the expansion of intensive land use.
KeywordsMorphometryGISEnvironmental ManagementSuitability of the WatershedLand Use Policy
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