A expansão do espaço urbano em Goiânia: impactos socioambientais na região norte de Goiânia (2000-2019)

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Universidade Federal de Goiás


The North Region of Goiânia (NRG) began the urban expansion process in 1951, and is currently configured (2021), as the region that still has large tracts of rural land, reconciling environmental fragility and the need to protect water resources. The location of the NRG presents conditions for the expansion of the urban spot, such as the three main waterways that supply Goiânia and the Metropolitan Region, conservation units, a Permanent Preservation Area (PPA) and the Mauro Borges Producer System. This research, at master level, has as its main objective to understand the spatial configuration resulting from the urban expansion that occurred in the North Region of Goiânia in the period from 2000 to 2019 and its specificities regarding the socio-environmental impacts. To meet the objective, the methodology was supported in four axes: 1) Periodization of the approval of allotments for the NRG in the database of the Secretary of Housing and Urban Planning (SEPLAH); 2) Conducting a multi-time analysis of land use and coverage for the NRG using Landsat series data and Sentinel 2B satellite images (2000, 2010 and 2019); 3) Verification of risk areas identified by Civil Defense (2020) and its socio-environmental impacts; 4) Execution of the urban population growth projection and Estimated urban expansion in the NRG for 2020, 2030 and 2040. The results show that between 2000 and 2019 there was a significant number of approvals of new allotments in the NRG. In turn, and corroborating this, the mapping of land use and land cover registered an expansion of the urban area of 40% (18.63 km²). In this same period, the loss of almost 27% of the vegetation cover (14.6 km²) was registered. The field work identified a diversity of forms of urban occupation, portraying social inequality and different access to land, registering dwellings in areas unfit for urban occupation, which constitutes in some places the justified classification as risk area and the unhealthy condition of these dwellings. A demand of 29.4 km² was estimated for the urban growth of the RNG until the year 2040, It was also found that 100.5km², that is, 46% of the land in the NRG is liable to urban expansion, which enables the configuration of the NRG as the largest holder of land for urban expansion in the township.



MARQUES, R. S. A expansão do espaço urbano em Goiânia: impactos socioambientais na região norte de Goiânia (2000-2019). 2021. 92 f. Dissertação (Mestrado em Geografia) - Universidade Federal de Goiás, Goiânia, 2021.