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Peña Ortiz, C. ; Ribera, P. ; García Herrera, Ricardo ; Giorgetta, M. A. ; García, R. R. | American Geophysical Union | 2008-08-21The seasonality of the quasi-biennial oscillation (QBO) and its secondary circulation is analyzed in the European Reanalysis (ERA-40) and Middle Atmosphere European Centre Hamburg Model (MAECHAM5) general circulation model data sets through the [...]texto impreso
Cagnazzo, Chiara ; Manzini, Elisa ; Calvo Fernández, Natalia ; Douglass, A. ; Akiyoshi, H. ; Bekki, S. ; Chipperfield, M. ; Dameris, M. ; Deushi, M. ; Fischer, A. M. ; Garny, H. ; Gettelman, A. ; Giorgetta, M. A. ; Plummer, D. ; Rozanov, E. ; Shepherd, T. G. ; Shibata, K. ; Stenke, A. ; Struthers, H. ; Tian, W. | Copernicus Publications | 2009The connection between the El Nino Southern Oscillation (ENSO) and the Northern polar stratosphere has been established from observations and atmospheric modeling. Here a systematic inter-comparison of the sensitivity of the modeled stratosphere[...]texto impreso
García Herrera, Ricardo ; Calvo Fernández, Natalia ; García, R. R. ; Giorgetta, M. A. | American Geophysical Union | 2006-03-16The vertical propagation of the El Nino-Southern Oscillation (ENSO) temperature signal has been analyzed in two general circulation models, the Whole Atmosphere Community Climate Model and the Middle Atmosphere European Center - Hamburg Model, a[...]texto impreso
Calvo Fernández, Natalia ; Giorgetta, M. A. ; Peña Ortiz, C. | American Geophysical Union | 2007-05-30The polar vortex in the Northern Hemisphere exhibits high intraseasonal and interannual variability which, to some degree, may be controlled by the quasi-biennial oscillation (QBO) in the tropical stratosphere. Here we analyze the QBO signal in [...]
