Climate characterization of serra de Martins-RN

The Brazilian Northeast in its largest portion is defined by a Semi-arid climate. However, when analyzing the region on a larger cartographic scale, it is possible to reveal areas that escape this context, being characterized as Areas of Exception or wet enclaves. Thus, this research aimed at a clim...

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Detalhes bibliográficos
Principais autores: Medeiros, Jacimária Fonseca de, Cestaro, Luiz Antonio, Queiroz, Larissa Silva
Formato: Online
Idioma:por
eng
Publicado em: Universidade Federal do Rio Grande do Norte
Endereço do item:https://periodicos.ufrn.br/revistadoregne/article/view/21397
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Resumo:The Brazilian Northeast in its largest portion is defined by a Semi-arid climate. However, when analyzing the region on a larger cartographic scale, it is possible to reveal areas that escape this context, being characterized as Areas of Exception or wet enclaves. Thus, this research aimed at a climatic characterization of Serra de Martins, in the period from 1973 to 2002, comparing with the municipality of Antonio Martins, located in the Depression Sertaneja. As for the data, rainfall data were made available by EMPARN and temperature data were estimated using software, following the model of Cavalcanti and Silva (1994), called Estima_T, which provides the averages, maximum and minimum values ??based on latitude, longitude and altitude. After data tabulation, the climatological water balance was generated, according to the model proposed by Thornthwaite and Mather (1955). For Martins, the rainfall average of 1230 mm and 23ºC was found as a thermal average. Antonio Martins, meanwhile, found an average precipitation value of 693 mm and its thermal average is 27ºC. From the data generated in the water balance, we have the following climatic typology, B1w2A '(Wet Megatherm with water deficit in winter and spring) for Martins and C1dA' (Dry Subhumid Megatherm with little or no water surplus) for  Antonio Martins.