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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…
Dispersion relations of the powers of complex reflection coefficient in testing the validity of THz spectra
K. -E. Peiponen, E. Gornov, Yu. Svirko +3
Kramers-Kronig type dispersion relations for integer powers of complex reflection coefficient are introduced for testing the consistency of terahertz reflection spectra. By using n…
Detection and correction of the misplacement error in THz Spectroscopy by application of singly subtractive Kramers-Kronig relations
Valerio Lucarini, Yusuke Ino, Kai-Erik Peiponen +1
In THz reflection spectroscopy the complex permittivity of an opaque medium is determined on the basis of the amplitude and of the phase of the reflected wave. There is usually a p…