Fire regime in Southern Brazil driven by atmospheric variation and vegetation cover

Andrade, Caio Frossard de; Delgado, Rafael Coll; Barbosa, Maria Lucia Ferreira; Teodoro, Paulo Eduardo; Silva, Carlos Antônio da; Wanderley, Henderson Silva; Capristo-Silva, Guilherme Fernando

doi:10.1016/j.agrformet.2020.108194

Cited by 12 publications

(2 citation statements)

References 35 publications

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“…Sabe-se que os fatores meteorológicos são os elementos críticos que influenciam a ocorrência, comportamento e dinâmica dos IF, além de constituir um dos três pilares para o seu início e desenvolvimento (WESTERLING et al, 2003;CAÚLA et al, 2015;COSTA e FONSECA, 2017;EUGENIO et al, 2019) (SKINNER et al, 2002;DAVIS et al, 2004;WESTERLING et al, 2003;TORRES et al, 2011;PETROLIASKIS et al, 2015;CAÚLA et al, 2015;FERREIRA-LEITE et al, 2017;TAN et al, 2019;ANDRADE et al, 2020).…”

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“…Outro fator que influencia a ocorrência de IF é o fenômeno El Niño-Oscilação Sul (ENOS), que altera os níveis de precipitação e temperatura em todo o globo (JIMÉNEZ-MUÑOS et al, 2016;ANDREOLI et al, 2017;PEREIRA et al, 2017;ALMEIDA et al, 2017;CHEN e ZHA, 2018;BARBOSA et al, 2019;ANDRADE et al, 2020). Que pode potencializar e prolongar episódios de estiagem em determinadas regiões, contribuindo com fatores que favorecem a ocorrência dos IF (CLEMENTE et al, 2017).…”

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Synoptic patterns associated with the occurrence of fire foci in the Ecological Station Taim and Campos Neutrais - Brazil

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Alonso

et al. 2023

RBClima

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Weather and climate conditions directly influence the occurrence and dynamics of forest fires. And when they occur in environmental preservation regions, they have impacts on biodiversity loss, climate change and water security. This study identified the synotic patterns favorable to the occurrence of hotspot in the Ecological Station Region of the Taim and Campos Neutrais, both located in the extreme south of Brazil. In the study region, humidity deficits are more important than high temperatures, differing from what is described in the literature. Three synoptic patterns were identified: the first presenting negative anomalies of temperature and humidity, established after the passage of a cold front, which has as main contribution to generate a postfrontal stability, associated with the displacement of a high pressure system. The second and third pattern (64% of wildfire) correspond to the most intense and long-lasting events, which occur in the presence of the South Atlantic Convergence Zone and Humidity Convergence Zone, respectively, and act on the northwest-southeast region of Brazil. These systems favor the slow displacement of a high pressure system over the study region, which contributes to the intensification of a stable environment, favoring moisture deficit and positive temperature anomalies in the study region. The results of this study provide an understanding of how the atmosphere influences the occurrence of wildfire in the study region, and will help in planning the minimization of the impact they can cause in an environmental preservation region

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