Chuvas e inundações em Goiânia: dinâmica atmosférica e áreas de risco
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2015-03-27
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Universidade Federal de Goiás
Resumo
Deforestation and waterproofing of various spaces are common procedures in the urbanization
process. These processes, with the fact that the valley bottoms are naturally amenable to
flooding, can lead to various disorders for the local population. In Goiania, these events are
increasingly accompanied by the local media, and the Civil Defense. From this context, this
research performs the mapping of floods in the urban area of Goiânia, between 2000 and 2013
and seeks to identify the atmospheric system that causes these events. Thus, we analyzed and
specialized reports published in a newspaper whit the highest circulation in the city and Civil
Defense servisse reports. Data from the Meteorological Station of Goiânia were organized in
rhythmic analysis charts to understand the atmospheric systems active during flood events.
The results show that the floods in Goiania occur nearest the central region of the city, except
for two points, which are located in the northern region. It was found that in investigated
points the houses are very close to the river and urbanization around these points is quite
intense. Another point to be highlighted is the decrease of vegetation in the city during the
study period. It was noticed that the most active atmospheric system in the flook occurrences
in Goiania are the Repercussion of Polar Mass, the Polar Front and the Equatorial Continental
Mass with squall lines. We presented some measures to prevent the flooding, based on
surveyed bibliographies.
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REGO, T. L. Chuvas e inundações em Goiânia: dinâmica atmosférica e áreas de risco. 2015. 101 f. Dissertação (Mestrado em Geografia) - Universidade Federal de Goiás, Goiânia, 2015.