2017
DOI: 10.5935/1984-2295.20170004
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Synoptic and numerical analysis of a VCAN in the Brazilian Northeast

Abstract: RESUMOO presente trabalho foi realizado para a região do Araripe, localizada no oeste de Pernambuco. Esta região apresenta importantes modificações em seu ambiente natural, principalmente ocasionadas pela remoção da cobertura vegetal nativa, muitas vezes resultante de desmatamento ilegal para a utilização da lenha como fonte energética nas indústrias gesseiras. Este trabalho buscou separar e quantificar a cobertura vegetal da região estudada a partir do Índice

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Cited by 3 publications
(2 citation statements)
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“…Figure 2c,d display the spatial pattern of the maximum 1-day accumulated precipitation index (Rx1Day) and the maximum 5-day accumulated precipitation index (Rx5Day), respectively. The map indicates that for Rx1Day, the highest precipitation values were located along the eastern edge of the region, mainly influenced by mesoscale convective systems, which are generally manifested by eastward wave disturbances [77,78] and by upper tropospheric cyclonic vortexes [63][64][65]. It was estimated that the value of Rx1Day did not exceed approximately 80 mm in most of the area considered in the study.…”
Section: Mean Precipitation Intensity Indexmentioning
confidence: 91%
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“…Figure 2c,d display the spatial pattern of the maximum 1-day accumulated precipitation index (Rx1Day) and the maximum 5-day accumulated precipitation index (Rx5Day), respectively. The map indicates that for Rx1Day, the highest precipitation values were located along the eastern edge of the region, mainly influenced by mesoscale convective systems, which are generally manifested by eastward wave disturbances [77,78] and by upper tropospheric cyclonic vortexes [63][64][65]. It was estimated that the value of Rx1Day did not exceed approximately 80 mm in most of the area considered in the study.…”
Section: Mean Precipitation Intensity Indexmentioning
confidence: 91%
“…The rainy season in this region typically runs from February to May [15,60]. The main meteorological systems responsible for precipitation in the region are the intertropical convergence zone (ITCZ) [61,62] and the upper tropospheric cyclonic vortex (UTCV) [63][64][65]. The altitude of the SAB region ranges from 0 to 1750 m and, among other factors, is associated with the spatial distribution of rainfall [66,67].…”
Section: Study Regionmentioning
confidence: 99%