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García Herrera, Ricardo ; Díaz, H. F. ; García, R. R. ; Prieto, M. R. ; Barriopedro Cepero, David ; Moyano, R. ; Hernández Martín, Emiliano | American Meteorological Society | 2008-05The authors present a chronology of El Niño (EN) events based on documentary records from northern Peru. The chronology, which covers the period 1550-1900, is constructed mainly from primary sources from the city of Trujillo (Peru), the Archivo [...]texto impreso
Calvo Fernández, Natalia ; García, R. R. ; Randel, W. J. ; Marsh, D. R. | American Meteorological Society | 2010-07The Brewer-Dobson circulation strengthens in the lowermost tropical stratosphere during warm El Nino-Southern Oscillation (ENSO) events. Dynamical analyses using the most recent version of the Whole Atmosphere Community Climate Model show that t[...]texto impreso
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
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 ; García, R. R. ; Marsh, D. R. ; Mills, M. J. ; Kinnison, D. E. ; Young, P. J. | American Geophysical Union | 2012-08-28Over the last three decades, ozone depletion over Antarctica has affected temperature and winds in the lower stratosphere, and even in the troposphere and at the surface. The second Chemistry Climate Model Validation activity (CCMVal2) concluded[...]texto impreso
Calvo Fernández, Natalia ; García, R. R. ; Kinnison, D. E. | American Geophysical Union | 2017-04-16The latest version of the Whole Atmosphere Community Climate Model (WACCM), which includes a new chemistry scheme and an updated parameterization of orographic gravity waves, produces temperature trends in the Antarctic lower stratosphere in exc[...]
