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Physical and Mathematical Properties of a Quasi-Geostrophic Model of Intermediate Complexity of the Mid-Latitudes Atmospheric Circulation
Valerio Lucarini, Antonio Speranza, Renato VItolo
A quasi-geostrophic intermediate complexity model is considered, providing a schematic representation of the baroclinic conversion processes which characterize the physics of the m…
Discrepancies in Southern Hemisphere Mid-latitude Atmospheric Variability of the NCEP-NCAR and ECMWF Reanalyses
A. Dell'Aquila, P. M. Ruti, S. Calmanti +1
In this study we compare the representation of the southern hemisphere midlatitude winter variability in the NCEP-NCAR and ERA40 reanalyses. We use the classical Hayashi spectral t…
Does the subtropical jet catalyze the mid-latitude atmospheric regimes?
Paolo M. Ruti, Valerio Lucarini, Alessandro Dell'Aquila +2
Understanding the atmospheric low-frequency variability is of crucial importance in fields such as climate studies, climate change detection, and extended-range weather forecast. T…