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García Herrera, Ricardo ; Ribera, Pedro ; Hernández Martín, Emiliano ; Gimeno, Luis | American Geophysical Union | 2007-03-22In recent years, the population and the value of properties in areas prone to tropical cyclone (TC) have increased dramatically. This has caused more attention to be placed on the characterization of TC climatologies and the identification of th[...]texto impreso
Kuhlbrodt, T. ; Griesel, A. ; Montoya Redondo, María Luisa ; Levermann, A. ; Hofmann, M. ; Rahmstorf, S. | American Geophysical Union | 2007-04-24Because of its relevance for the global climate the Atlantic meridional overturning circulation (AMOC) has been a major research focus for many years. Yet the question of which physical mechanisms ultimately drive the AMOC, in the sense of provi[...]texto impreso
Charlton-Perez, Andrew J. ; Baldwin, Mark P. ; Birner, Thomas ; Black, Robert X. ; Butler, Amy H. ; Calvo Fernández, Natalia ; Davis, Nicholas A. ; Gerber, Edwin P. ; Gillett, Nathan ; Hardiman, Steven ; Kim, Junsu ; Krüger, Kirstin ; Lee, Yun-Young ; Manzini, Elisa ; McDaniel, Brent A. ; Polvani, Lorenzo ; Reichler, Thomas ; Shaw, Tiffany A. ; Sigmond, Michael ; Son, Seok-Woo ; Toohey, Matthew ; Wilcox, Laura ; Yoden, Shigeo ; Christiansen, Bo ; Lott, François ; Shindell, Drew ; Yukimoto, Seiji ; Watanabe, Shingo | American Geophysical Union | 2013-03-27We describe the main differences in simulations of stratospheric climate and variability by models within the fifth Coupled Model Intercomparison Project (CMIP5) that have a model top above the stratopause and relatively fine stratospheric verti[...]texto impreso
Blanco-Montenegro, I. ; Montesinos, F. G. ; Garcia, Alicia ; Vieira, Ricardo ; Villalain, J.J. | American Geophysical Union | 2005The Bouguer and aeromagnetic anomaly maps of Lanzarote show a gravity high and a dipolar magnetic anomaly over the central part of the island, indicating one isolated source. Assuming that the structure responsible for both anomalies is the same[...]texto impreso
Rodríguez Bilbao, I. ; Radicella, S.M. ; Rodríguez Caderot, Gracia ; Herraiz, M. | American Geophysical Union | 2015Intense disturbances in the ionosphere may produce perturbations in Global Navigation Satellite Systems (GNSS) radio signals that in the most severe cases produce receiver tracking problems, which in turn impact on GNSS positioning accuracy. In [...]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
MacDougall, Andrew H. ; González Rouco, J. Fidel ; Stevens, M. Bruce ; Beltrami, Hugo | American Geophysical Union | 2008-07-04Shallow bottom boundary conditions (BBCs) in the soil components of general circulation models (GCMs) impose artificial limits on subsurface heat storage. To assess this problem we estimate the subsurface heat content from two future climate sim[...]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
Flow in a stably stratified environment is characterized by anisotropic and intermittent turbulence and wavelike motions of varying amplitudes and periods. Understanding turbulence intermittency and wave-turbulence interactions in a stably strat[...]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[...]texto impreso
Many studies address the Interdecadal Pacific Oscillation (IPO) as a modulator of climate in several regions all over the globe. However, very few suggest that it has an impact on Sahel rainfall low-frequency variability. This work shows the rel[...]texto impreso
The Northern Hemisphere (NH) polar stratospheric response to Central Pacific El Niño (CP-El Niño) events remains unclear. Contradictory results have been reported depending on the definition and events considered. We show that this is due to the[...]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 [...]texto impreso
Fernández, J. ; Montávez, J. P. ; Sáenz, J. ; González Rouco, J. Fidel ; Zorita, E. | American Geophysical Union | 2007-02-16We present an analysis of the sensitivity to different physical parameterizations of a high-resolution simulation of the MM5 mesoscale model over the Iberian Peninsula. Several (16) 5-year runs of the MM5 model with varying parameterizations of [...]texto impreso
González Rouco, J. Fidel ; Beltrami, Hugo ; Zorita, E. ; von Storch, H. | American Geophysical Union | 2006-01-10A heat-conduction forward model driven by ground surface temperature from three 1000-year climate simulations with the state-of-the-art ECHO-g model has been used to simulate underground temperature perturbation profiles. An inversion approach h[...]