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American Geophysical Union |
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The cold climate anomaly about 8200 years ago is investigated with CLIMBER-2, a coupled atmosphere-ocean-biosphere model of intermediate complexity. This climate model simulates a cooling of about 3.6 K over the North Atlantic induced by a meltw[...]texto impreso
Barriopedro Cepero, David ; García Herrera, Ricardo ; Huth, Radan | American Geophysical Union | 2008-07-23The blocking response to the 11-year solar cycle is investigated for 44 winters (1955-1999) and stratified according to the level of solar activity and the phase of the Quasi-Biennial Oscillation (QBO). Several blocking features are modulated by[...]texto impreso
Beltrami, Hugo ; Bourlon, Evelise ; Kellman, Lisa ; González Rouco, J. Fidel | American Geophysical Union | 2006-03-30Variations in the Earth's surface energy balance are recorded in the subsurface as perturbations of the steady state thermal field. Here we invert 558 temperature-depth profiles in the Northern Hemisphere (NH), in order to estimate the energy ba[...]texto impreso
Smerdon, J. E. ; Kaplan, A. ; Zorita, E. ; González Rouco, J. Fidel ; Evans, M. N. | American Geophysical Union | 2011-06-15The spatial skill of four climate field reconstruction (CFR) methods is investigated using pseudoproxy experiments (PPEs) based on two millennial-length general circulation model simulations. Results indicate that presently available global and [...]texto impreso
Beltrami, Hugo ; González Rouco, J. Fidel ; Stevens, M. Bruce | American Geophysical Union | 2006-05-06General Circulation Models (GCMs) used to distinguish anthropogenic forcing of the Earth's past climate from its natural variability need to be validated by observations. The GCM ECHO-g was used to produce three millennial simulations of the Ear[...]texto impreso
Quitián Hernández, L. ; González Alemán, Juan Jesús ; Santos Muñoz, D. ; Fernández González, S. ; Valero Rodríguez, Francisco ; Martín, M.L. | American Geophysical Union | 2020-04-27Subtropical cyclones (STCs) are characterized by a thermal hybrid structure with tropical and extratropical features. STCs are considered a numerical modeling challenge because of their rapid intensification. A fundamental part of their strength[...]texto impreso
Using a coupled model of intermediate complexity the sensitivity of the last glacial maximum (LGM) Atlantic meridional overturning circulation (AMOC) to the strength of surface wind-stress is investigated. A threshold is found below which North [...]texto impreso
Montoya Redondo, María Luisa ; Crowley, Thomas J. ; von Storch, Hans | American Geophysical Union | 1998-04The last interglacial (Eemian, 125,000 years ago) has generally been considered the warmest time period in the last 200,000 years and thus sometimes been used as a reference for greenhouse projections. Herein we report results from a coupled oce[...]texto impreso
Anguita, Francisco ; Farelo, Agustín-Felipe ; López, Valle ; Mas, Cristina ; Muñoz Espadas, María Jesús ; Márquez González, Álvaro ; Ruiz Pérez, Javier | American Geophysical Union | 2001-04-25A photogeoIogical reconnaissance of Viking mosaics and images ofthe Tharsis dome has been carried out. Fifteen new areas of transcurrent faulting have been located which, together with other structures previously detected, support a model in whi[...]texto impreso
Chiodo, G. ; Calvo Fernández, Natalia ; Marsh, D. R. ; García Herrera, Ricardo | American Geophysical Union | 2012-03-29The atmospheric response to the 11 year solar cycle (SC) and its combination with the quasi-biennal oscillation (QBO) are analyzed in four simulations of the Whole Atmosphere Community Climate Model version 3.5 (WACCM3.5), which were performed w[...]texto impreso
The combined effects of El Niño-Southern Oscillation (ENSO) and the 11 year solar cycle on the Northern Hemisphere polar stratosphere have been analyzed in the Whole Atmosphere Community Climate Model version 3 in the absence of the quasi-bienni[...]texto impreso
Palmeiro Nuñez, Froila María ; Iza San Juan, Maddalen ; Barriopedro Cepero, David ; Calvo Fernández, Natalia ; García Herrera, Ricardo | American Geophysical Union | 2017-03-28This paper examines the outstanding characteristics of the strong 2015-2016 El Nino (EN) winter and its impact over the European region through the stratosphere. Despite being classified as a strong eastern Pacific (EP) EN event, our analysis re[...]texto impreso
El Niño-Southern Oscillation (ENSO) is known to be the largest source of interannual variability in the tropical troposphere. However, the variability in the tropical Pacific since 1979 seems to be associated not only with "canonical" ENSO event[...]texto impreso
Barriopedro Cepero, David ; García Herrera, Ricardo ; Hernández Martín, Emiliano | American Geophysical Union | 2006-07-27This paper examines the role of North Hemisphere snow cover in the linkage between the winter North Atlantic Oscillation (NAO) and the summer Northern Annular Mode (NAM). This transition is partially supported by the persistence of the NAO-induc[...]texto impreso
Jérez, S. ; Montávez, J. P. ; Gómez Navarro, J. J. ; Jiménez, P. A. ; Jiménez Guerrero, P. ; Lorente, R. ; González Rouco, J. Fidel | American Geophysical Union | 2012-01-12The importance of land-surface processes within Regional Climate Models for accurately reproducing the present-day climate is well known. However, their role when projecting future climate is still poorly reported. Hence, this work assesses the [...]