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Analyses of Maximum Precipitation in Brazil and the Variability of Diurnal Cycle

Aléxia Monteiro Valentim ; Cláudio Moisés Santos e Silva ; Daniele Tôrres Rodrigues ; Paula Andressa Alves de Araújo

Environmental Sciences Proceedings, 2023, Vol.25 (1), p.95 [Periódico revisado por pares]

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Título:
Analyses of Maximum Precipitation in Brazil and the Variability of Diurnal Cycle
Autor: Aléxia Monteiro Valentim ; Cláudio Moisés Santos e Silva ; Daniele Tôrres Rodrigues ; Paula Andressa Alves de Araújo
Assuntos: climate change ; cluster analysis ; sub-daily
É parte de: Environmental Sciences Proceedings, 2023, Vol.25 (1), p.95
Descrição: According to recent works, the diurnal cycle is more geographically pronounced in places such as South America; and this analysis aims to observe how climate variability is associated with meteorological phenomena at different scales. For this, a set of hourly data from rain gauges throughout Brazil was collected, and through 411 automatic rain gauges, the data were selected between 1 January 2008 and 31 December 2020. Clustered multivariate statistics were performed for regional characterization of the data, with sets of 4, 5, and 6 groups. The identification of the occurrence of different daily cycles on the sub-daily scale demonstrates intense rainfall associated with different meteorological phenomena and spatial variations.
Editor: MDPI AG
Idioma: Inglês

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