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For the development of this research, a bibliographic review was conducted regarding the geography of
health, urbanization, climate and fires, as well as a survey of reported cases regarding respiratory diseases
in Datasus, in the period 2014-2020. In this sense, we set out a relationship between cases of respiratory
diseases (materialized in the urban space), occurrence of hot spots and climate variables.
Subsequently, the heat fires of all satellites in the period 2014-2020 were downloaded from
BDQueimadas/INPE; the information was spatialized in the Qgis software for the configuration of the
coordinate system of the fires for Datum SIRGAS 2000, UTM 21S; and the spatial clipping of the fires
for the urban area was made through the overlay of the shapefile of the city of Campo Grande, as well
as observation of the places with higher incidence. From there, visits were made to the most vulnerable
areas, mapping and checking health and environmental conditions. All information was systematized in
Word and Excel computer programs with textual formatting, preparation of tables and figures edition.
The cast information was confronted with the cases of disease, seeking to emphasize the influence
caused by anthropic action, from the urbanization process in conjunction with the climatic element,
precipitation, heat fires and cases of diseases that affect the respiratory system.
Theoretical Basis
The use of fire for burning is an old and cultural practice that, due to its low cost and fast action, is
used repeatedly, both for the renewal of pastures and for clearing land with tall vegetation. However, this
practice has a direct impact on the environment and on the health of living beings, mainly through the
emission of pollutant gases and the aggravation of respiratory problems.
Burnings are a constant problem in Brazil, given the number of hot spots and burned areas annually, as
well as the scientific research on this issue. According to data from Inpe (2019-2020a), in the period from
July to November 2019, a total of 164,761 hot spots were detected compared to the other months that
totaled 32,871 hot spots; in the same period in 2020, the total number of detected hot spots was 190,758,
compared to the other months that together totaled 32,039 hot spots.
Thus, it is possible to observe that the most critical months in relation to the incidence of fires were
from July to November, with increased incidence in 2020. In the state of Mato Grosso do Sul, the years
2019 and 2020 totaled respectively 11,653 and 12,080 heat spots, compared to the year 2018, that totaled
2380 hot spots (INPE, 2019-2020b).
According to Fernandes, T.; Hacon, S.; Novaes, J. (2021,p.145), in the period between 2010-2018,
many scientific researches were conducted on the fires and the effects of particulate matter emissions
in the atmosphere that cause climate change, air pollution and negative impact on human health due to
respiratory problems.
In view of this, Ribeiro, H.; Pesqueiro, C. (2010, p.263), Silva, A. et al. (2013, p.346), Araújo, F.;
Miziara, F. (2014, p.113), Gonçalves, K.; Castro, H.; Hacon, S. (2014, p.1524) point out the following
impacts of fires: air pollution resulting from the emission of particulate matter into the atmosphere and
the consequent appearance of respiratory problems, in addition to effects on human health, as well as
impact on the ecosystem due to the association between deforestation and burning.
Among the main causes of burning is the anthropic action and the increased incidence of hot spots
detected by satellite that occur especially in the dry season, given that the climatic characteristics favor
the spread of fire (LEÃO, R.; FERREIRA, G.; STRAUCH, J. 2020 p. 180).
According to data from Inpe (2019-2020 c), the municipality of Campo Grande-MS totaled 2,460
hot spots between 2019-2020, being 913 in 2019 and 1,547 in 2020.