2008
DOI: 10.1590/s0102-77862008000400001
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Estudo da energética modal para episódios de ZCAS. Parte I: análise observacional

Abstract: RESUMOAs trocas horizontais e verticais de energia para um composto de sete episódios de Zona de Convergência do Atlântico Sul (ZCAS), foram estudadas a partir da decomposição em modos normais, considerando-se a partição vertical de energia entre os modos externo e internos, e as interferências entre os modos horizontais de oscilação Rossby, Kelvin, Misto Rossby-Gravidade, Gravidade Oeste e Leste. Um máximo de porcentagem de energia total (aproximadamente 60%) é observado para os modos internos 4 a 7, com altu… Show more

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“…During summer, increased cloud coverage and occurrence of intense rains are related to formation of the South Atlantic Convergence Zone (ZCAS) and frontal systems (Reboita et al, 2010). As for the winter, rains are from low to medium intensity and resulting from cold fronts (Mendonça and Bonatti, 2008). Schick et al (2014) calculated the erosivity index of rains from 1989 to 2012 in Lages, SC, where 83% were erosive, with the annual average characterized as possessing medium erosive potential.…”
Section: Discussionmentioning
confidence: 99%
“…During summer, increased cloud coverage and occurrence of intense rains are related to formation of the South Atlantic Convergence Zone (ZCAS) and frontal systems (Reboita et al, 2010). As for the winter, rains are from low to medium intensity and resulting from cold fronts (Mendonça and Bonatti, 2008). Schick et al (2014) calculated the erosivity index of rains from 1989 to 2012 in Lages, SC, where 83% were erosive, with the annual average characterized as possessing medium erosive potential.…”
Section: Discussionmentioning
confidence: 99%