Contribuição ao estudo da gênese das chuvas na cidade de Araguari (MG) durante a estação chuvosa 2001-2005
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Data
2007-12
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Resumo
The main objective of this study was to better understand the climatic dynamics at the
urban space of Araguari city, located at ‘Minas Gerais’ State, mainly focusing on the
genesis of the rain. More specifically, this study also aimed to identify the actual regional
atmospheric circulation and the pattern of genesis of rain. The pluviometric records were
obtained from a pluviometers system (model ‘Ville de Paris’), installed in many locations
at Araguari city from 2001 to 2005. The pluviometers system was installed based on the
methodology for a rhythmics analysis and correlated with synoptic cards to gotten with
CPTEC/INPE. The rainy season was selected and the representative episodes of
successive and intense rain on those seasons were observed. It was concluded that the
genesis of the rain resulted from the dynamic front (polar front accompanied with lines of
tropical instability) generated also from the highest rain records. This finding agrees with
the well known model use at the southeast region of Brazil and, particularly, at ‘Triângulo
Mineiro’ area. It was expected due to the geographic position as well as to the dimension
and the urban morphology of Araguari city. This did not allow relevant alterations on this
pattern as happen in big cities and metropolis.
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Palavras-chave
Araguari, Araguari city, Chuva, Gênese, Análise rítmica, Linhas de instabilidade tropical, Frente polar atlântica, Rain, Genesis, Rhythmic analysis, Atlantic polar front, Line of tropical instability
Citação
RODRIGUES, Rafael de Ávila; CASTRO, Selma Simões de. Contribuição ao estudo da gênese das chuvas na cidade de Araguari (MG) durante a estação chuvosa 2001-2005. Caminhos de Geografia, Uberlândia, v. 8, n. 24, p. 144-162, dez. 2007.