Aplicação das estimativas de precipitação do Tropical Rainfall Measuring Mission (TRMM) no estudo da pluviometria habitual e excepcional de Goiás e Distrito Federal
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2018
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Since the first images of clouds recorded in April 1960 by the TIROS I meteorological satellite, several climatic parameters have been registered and measured by remote sensing, allowing the advancement beyond the simple observation of the atmospheric elements, to the point of subsidizing complex climatic analyzes. It is in this context that the techniques of precipitation estimates are highlighted, with the aid of satellites, sensors and different methodologies. The present study aimed to apply the data generated by the Tropical Rainfall Measuring Mission (TRMM) in the study of the usual and exceptional regime of rainfall in the state of Goiás and the Federal District, in Brazil, in order to investigate the potential of using remote sensing images in climatology, based on the standard years considered as usual (2011), dry (2007) and rainy (2009). The monthly estimates of the TRMM (product 3B43) were used to analyze the spatial variation and temporal distribution of the annual, seasonal and monthly precipitation, between the three years above, in order to identify the annual and seasonal totals thresholds and the monthly rainfall in the usual and exceptional conditions (dry and rainy regimes). Based on the data presented, it was possible to observe a different pattern of rainfall between the usual and exceptional regimes of precipitation in the state of Goiás and in the Federal District. It has also been found that the condition of dry, usual or rainy year does not refer essentially to the annual rainfall, but mainly to the distribution of rainfall over the months and to the delimitation of rainy and dry periods.
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Chuvas, Estimativas, Precipitação, TRMM, Anos-padrão, Rainfall, Estimates, Precipitation, Standard years
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NASCIMENTO, Diego; OLIVEIRA, Ivanilton. Aplicação das estimativas de precipitação do Tropical Rainfall Measuring Mission (TRMM) no estudo da pluviometria habitual e excepcional de Goiás e Distrito Federal. Revista Brasileira de Geografia Física, Recife, v. 11, n. 5, p. 1664–1679, 2018. DOI: 10.26848/rbgf.v11.5.p1664-1679. Disponível em: https://periodicos.ufpe.br/revistas/index.php/rbgfe/article/view/236495. Acesso em: 12 jul. 2024.