Middle Level Troughs
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1. Cavados em médios níveis no hemisfério sul: climatologia, energética e ciclogênese em superfície / Midtropospheric trough in southern hemisphere: climatology, energetic and surface cyclogenesis
Southern Hemisphere and its relationship with the Southern America surface cyclogenesis. An objective method of trough identification and tracking was developed, which was applied for 24 years of NCEP/NCAR reanalysis 500 hPa geopotencial height data. We found, in mean, 868 troughs per year, with positive trend. The winter season (summer) presented greater (s
Publicado em: 2005