2020
DOI: 10.1590/0102-7786352011
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Ciclones em Superfície nas Latitudes Austrais. Parte III: Energética

Abstract: Resumo Esse estudo tem como objetivo apresentar a análise da energética de quatro casos de ciclones em latitudes austrais, sendo dois extratropicais (um do tipo Bjerknes e Solberg e o outro do tipo Shapiro e Keyser), um tropical e um subtropical, a fim de complementar o trabalho “Ciclones em Superfície nas Latitudes Austrais: Parte II Estudo de Casos”. Para tanto, utilizou-se a equação da energia cinética do distúrbio desenvolvida por Orlanski e Katzfey, pois ela contempla os principais mecanismos para a forma… Show more

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“…As interannual variability, like the Antarctic Oscillation, can have a strong influence on the strength and location of the polar jet stream and regional baroclinicity (Gan et al, 2020), the longer record of tracking in ERA5 and JRA55 provides a better climatological perspective. However, these discrepancies might also stem from methodological approaches in tracking: ERA5 and JRA55 tracks were made following the same mapping of sea level pressure differences.…”
Section: General Climatology Of South America Cyclonesmentioning
confidence: 99%
“…As interannual variability, like the Antarctic Oscillation, can have a strong influence on the strength and location of the polar jet stream and regional baroclinicity (Gan et al, 2020), the longer record of tracking in ERA5 and JRA55 provides a better climatological perspective. However, these discrepancies might also stem from methodological approaches in tracking: ERA5 and JRA55 tracks were made following the same mapping of sea level pressure differences.…”
Section: General Climatology Of South America Cyclonesmentioning
confidence: 99%