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American Geophysical Union |
Documentos disponibles de esta editorial (78)
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Young, Paul J. ; Butler, Amy H. ; Calvo Fernández, Natalia ; Haimberger, Leopold ; Kushner, Paul J. ; Marsh, Daniel R. ; Randel, William J. ; Rosenlof, Karen H. | American Geophysical Union | 2013-01-27We present a comparison of temperature trends using different satellite and radiosonde observations and climate (GCM) and chemistry-climate model (CCM) outputs, focusing on the role of photochemical ozone depletion in the Antarctic lower stratos[...]texto impreso
Analyses of the effective elastic thickness of the Martian lithosphere have been previously used to calculate surface heat flow on Mars at different places and times. In this work, I use elevation differences in a putative Late Hesperian shoreli[...]texto impreso
Jiménez, P. A. ; Dudhia, J. ; González Rouco, J. Fidel ; Montávez, J. P. ; García Bustamante, E. ; Navarro, J. ; Vilà-Guerau de Arellano, J. ; Múñoz Roldán, A. | American Geophysical Union | 2013-07-27The performance of the Weather Research and Forecasting (WRF) model to reproduce the surface wind circulations over complex terrain is examined. The atmospheric evolution is simulated using two versions of the WRF model during an over 13year per[...]texto impreso
Arrillaga Mitxelena, Jon Ander ; Jiménez, Pedro ; Vilá Guerau de Arellano, Jordi ; Jiménez, María A. ; Román Cascón, Carlos ; Sastre Marugán, Mariano ; Yagüe Anguis, Carlos | American Geophysical Union | 2020-02-27Sea breeze (SB) frontal passages, the relevant factors influencing their formation and their interaction with local turbulence, are analyzed. To proceed, numerical simulations from the Weather Research and Forecasting (WRF) model are compared wi[...]texto impreso
Barriopedro Cepero, David ; Gomez Escolar, M. ; Fueglistaler, S. ; Calvo Fernández, Natalia | American Geophysical Union | 2012-11-22Stratospheric Sudden Warmings (SSWs) strongly affect the polar stratosphere during winter months mainly in the Northern Hemisphere. The intraseasonal distribution and type of SSWs for the 1958-1979 and 1979-2002 periods in ERA-40 and NCEP-NCAR r[...]texto impreso
Evans, N. M. ; Smerdon, J. E. ; Kaplan, A. ; Tolwinski-Ward, S. E. ; González Rouco, J. Fidel | American Geophysical Union | 2014-12Climate field reconstructions (CFRs) of the global annual surface air temperature (SAT) field and associated global area-weighted mean annual temperature (GMAT) are derived in a collection of pseudoproxy experiments for the past millennium. Pseu[...]texto impreso
Torre, Laura de la ; Garcial, Rolando R. ; Barriopedro Cepero, David ; Chandran, Amal | American Geophysical Union | 2012-02-25Major stratospheric sudden warmings (SSW) occurring during Northern Hemisphere winter were identified in four runs of the Whole Atmosphere Community Climate Model (WACCM). Their characteristics are compared to those found by other authors using [...]texto impreso
Smerdon, Jason E. ; González Rouco, J. Fidel ; Zorita, Eduardo | American Geophysical Union | 2008-09-19texto impreso
MacDougall, Andrew H. ; Beltrami, Hugo ; González Rouco, J. Fidel ; Stevens, M. Bruce ; Bourlon, Evelise | American Geophysical Union | 2010-06-18Heat fluxes in the continental subsurface were estimated from general circulation model (GCM) simulations of the climate of the last millennium and compared to those obtained from subsurface geothermal data. Since GCMs have bottom boundary condi[...]texto impreso
Ribera, P. ; Peña Ortiz, C. ; García Herrera, Ricardo ; Gallego, D. ; Gimeno, L. ; Hernández Martín, Emiliano | American Geophysical Union | 2004-09-23The quasi-biennial oscillation (QBO) signal in stratospheric zonal and meridional wind, temperature, and geopotential height fields is analyzed based on the use of the National Centers for Environmental Prediction (NCEP) reanalysis (1958-2001). [...]texto impreso
Gutiérrez Alonso, Gabriel ; Fernández Suárez, Javier ; Jeffries, Teresa E. ; Johnston, Stephen T. | American Geophysical Union | 2011U?Pb (zircon) crystallization ages of 52 late?Variscan granitoid intrusions from NW Iberia (19 from new data, 33 from previous studies) constrain the lithospheric evolution of this realm of the Variscan belt of Western Europe and allow assessmen[...]texto impreso
Barriopedro Cepero, David ; García Herrera, Ricardo ; Lionello, Piero ; Pino, Cosimo | American Geophysical Union | 2010-07-01This study explores the long-term frequency variability of high-surge events (HSEs) in the North Adriatic, the so-called acqua alta, which, particularly during autumn, cause flooding of the historical city center of Venice. The period 1948-2008,[...]texto impreso
The dynamical connection between Northern Hemisphere blocking events and the variability of the stratospheric polar vortex strength is studied. The analysis is based on the composite time evolution of the energy of baroclinic planetary waves dur[...]texto impreso
Díez Fernández, Rubén ; Jiménez Díaz, Alberto ; Arenas Martín, Ricardo ; Pereira, M. Francisco ; Fernández Suárez, Javier | American Geophysical Union | 2019-01The Calzadilla Ophiolite is an ensemble of mafic and ultramafic rocks that represents the transition between lower crust and upper mantle of a Cadomian (peri?Gondwanan) fore arc. Mapping and structural analysis of the ophiolite demonstrates that[...]texto impreso
Stevens, M. Bruce ; Smerdon, Jason E. ; González Rouco, J. Fidel ; Stieglitz, Marc ; Beltrami, Hugo | American Geophysical Union | 2007-01-18[1] A one-dimensional soil model is used to estimate the influence of the position of the bottom boundary condition on heat storage calculations in land-surface components of General Circulation Models (GCMs). It is shown that shallow boundary c[...]texto impreso
Calvín Ballester, Pablo ; Ruíz Martínez, Vicente Carlos ; Villalaín Santamaría, Juan José ; Casa Sainz, Antonio María ; Moussaid, Bennacer | American Geophysical Union | 2017-12A paleomagnetic and magnetic fabric study is performed in Upper Jurassic gabbros of the central High Atlas (Morocco). These gabbros were emplaced in the core of preexisting structures developed during the extensional stage and linked to basement[...]texto impreso
Wu, Yutian ; Orbe, Clara ; Tilme, Simone ; Ábalos Álvarez, Marta ; Wang, Xinyue | American Geophysical Union | 2020This study identifies the fast (i.e., ? days–weeks) transport pathways that connect the Northern Hemisphere surface to the upper troposphere and lower stratosphere (UTLS) during northern summer by integrating a large (90 member) ensemble of Boun[...]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
In the Hercynian Anatectic Complex of Toledo (ACT) the anatectic granitoids include leucogranitic leucosomes, leucogranitic massifs, and restite-rich granites. They show a broad range of initial Sr and Nd isotope ratios from 0.71 I to 0.720 and [...]texto impreso
Someo f the geologicafle atureso n the surfaceo f Europa'si ce shells uggestth e existenceo f a brittlel ithosphereth ati n somer egionsis no moret han2 km thick.T he surfaceh eatf low neededt o put the brittle-ductiletr ansitionin ice at a dept[...]texto impreso
Trigo, Ricardo Machado ; García Herrera, Ricardo ; Díaz, Julio ; Trigo, Isabel Franco ; Valente, María Antonia | American Geophysical Union | 2005-05-18The summer of 2003 was characterised by exceptionally warm weather in Europe with the average temperature exceeding that of any previous summer over the last 500 years. The seasonal 2003 summer temperature for central Europe was beyond the histo[...]texto impreso
Taramón, Jorge M. ; Rodríguez González, Juan ; Negredo Moreno, Ana María ; Billen, Magali I. | American Geophysical Union | 2015-09Several mechanisms have been suggested for the formation of flat slabs including buoyant features on the subducting plate, trenchward motion and thermal or cratonic structure of the overriding plate. Analysis of episodes of flat subduction indic[...]texto impreso
Richter, Jadwiga H. ; Matthes, Katja ; Calvo Fernández, Natalia ; Gray, Lesley J. | American Geophysical Union | 2011-10-21Stratospheric sudden warmings (SSWs) are a major source of variability during Northern Hemisphere winter. The frequency of occurrence of SSWs is influenced by El Nino-Southern Oscillation (ENSO), the quasi-biennial oscillation (QBO), the 11 year[...]texto impreso
Williams, Jean-Pierre ; Ruiz Pérez, Javier ; Rosenburg, Margaret A. ; Aharonson, Oded ; Phillips, Roger J | American Geophysical Union | 2011Mercury’s coupled 3:2 spin?orbit resonance in conjunction with its relatively high eccentricity of ?0.2 and near?zero obliquity results in both a latitudinal and longitudinal variation in annual average solar insolation and thus equatorial hot a[...]texto impreso
Sánchez Benítez, A. ; García Herrera, Ricardo ; Barriopedro Cepero, David ; Sousa, P. M. ; Trigo, R.M. | American Geophysical Union | 2018-02-28This paper examines the characteristics of the heatwave that affected western and central Europe in June 2017. Using a novel algorithm, we show that its extension, intensity, and persistence were comparable to those of other European mega-heatwa[...]texto impreso
Motivated by findings that energetically consistent subgrid dissipation schemes can improve eddy-permitting ocean simulations, this work investigates the impact of the subgrid dissipation scheme on low-resolution atmospheric dynamical cores. A k[...]texto impreso
A cessation of the Atlantic meridional overturning circulation (AMOC) significantly reduces northward oceanic heat transport. In response to anomalous freshwater flux, this leads to the classic 'bipolar see-saw' pattern of northern cooling and s[...]texto impreso
Substantial increases in the atmospheric concentration of well-mixed greenhouse gases (notably CO2), such as those projected to occur by the end of the 21st century under large radiative forcing scenarios, have long been known to cause an accele[...]texto impreso
Pinto, Joaquim G. ; Gómara Cardalliaguet, Iñigo ; Masato, Giacomo ; Dacre, Helen F. ; Woollings, Tim ; Caballero, Rodrigo | American Geophysical Union | 2014-12-27Some recent winters in Western Europe have been characterized by the occurrence of multiple extratropical cyclones following a similar path. The occurrence of such cyclone clusters leads to large socio-economic impacts due to damaging winds, sto[...]texto impreso
Herrero Gil, Andrea ; Ruiz Pérez, Javier ; Romeo Briones, Ignacio | American Geophysical Union | 2020-03Amenthes Rupes is the topographic expression of a main fault belonging to a thrust fault system located parallel to the martian dichotomy boundary. A 3D forward model has been applied to the Amenthes thrust fault system, constraining fault geome[...]texto impreso
Bolgiani, Pedro ; Santos Muñoz, Daniel ; Fernández González, Sergio ; Sastre Marugán, Mariano ; Valero Rodríguez, Francisco ; Martín, María Luisa | American Geophysical Union | 2020-07-27Microbursts are meteorological phenomena in the lower troposphere which can produce damaging surface winds and pose a severe risk to aircraft flying close to the ground. As these events usually span less than 4 km and 15 min, the spatiotemporal [...]texto impreso
Maher, Penelope ; Gerber, Edwin P. ; Medeiros, Brian ; Merlis, Timothy M. ; Sherwood, Steven ; Sheshadri, Aditi ; Sobel, Adam H. ; Vallis, Geoffrey K. ; Voigt, Aiko ; Zurita Gotor, Pablo | American Geophysical Union | 2019-06In this review, we highlight the complementary relationship between simple and comprehensive models in addressing key scientific questions to describe Earth's atmospheric circulation. The systematic representation of models in steps, or hierarch[...]texto impreso
As part of the Coupled Model Intercomparison Project, integrations with a common design have been undertaken with eleven different climate models to compare the response of the Atlantic thermohaline circulation ( THC) to time-dependent climate c[...]texto impreso
We develop a topological model of ball lightning which explains its stability by the coupling of an air ball to a magnetic knot, a magnetic field with linked magnetic lines. Assuming that currents flow inside the ball, along short-circuited link[...]texto impreso
Zorita, E. ; González Rouco, J. Fidel ; von Storch, H. ; Montávez,, J. P. ; Valero Rodríguez, Francisco | American Geophysical Union | 2005-04-27The spatial patterns of surface air-temperature variations in the period 1000 to 2100, simulated with the ECHO-G atmosphere-ocean coupled model, are analyzed. The model was driven by solar, volcanic and greenhouse gas forcing. The leading mode o[...]texto impreso
Beal, S.A. ; Kelly, M.A. ; Stroup, J.S. ; Jackson, B.P. ; Lowell, T.V. ; Tapia, P.M. | American Geophysical Union | 2020-06-10T18:11:34ZMercury (Hg) is a toxic metal that is transported globally through the atmosphere. Emissions of Hg from mineral reservoirs and recycling between soil/biomass, oceans, and the atmosphere are fundamental to the global Hg cycle, yet past emissions [...]texto impreso
Herrero-Barbero, Paula ; Álvarez Gómez, José Antonio ; Martínez Díaz, José J. ; Klimowitz, Juan | American Geophysical Union | 2020-05The Alhama de Murcia Fault is one of the main active structures of the Eastern Betic Shear Zone (SE Spain), characterized by the presence, along its trace, of Neogene basins developed under Early to Late Miocene extensional tectonics. A dominant[...]texto impreso
Ábalos Álvarez, Marta ; Polvani, Lorenzo ; Calvo Fernández, Natalia ; Kinnison, Douglas ; Ploeger, Felix ; Randel, William ; Solomon, Susan | American Geophysical Union | 2019-03-16It has recently been recognized that, in addition to greenhouse gases, anthropogenic emissions of ozone-depleting substances (ODS) can induce long-term trends in the Brewer-Dobson circulation (BDC). Several studies have shown that a substantial [...]texto impreso
Martín Banda, Raquel ; García Mayordomo, Julián ; Insua Arévalo, Juan Miguel ; Salazar, Ángel E. ; Rodríguez-Escudero, Emilio ; Álvarez-Gómez, Jose A. ; Medialdea, Alicia ; Herrero, María J. | American Geophysical Union | 2016-01The Carrascoy Fault (CAF) is one of the main active faults that form part of the Eastern Betic Shear Zone, a 450 km fault system that accommodates most of the convergence between the Eurasian (Iberia) and Nubian plates in the Betic Cordillera, s[...]texto impreso
Gallego, David ; García Herrera, Ricardo ; Calvo Fernández, Natalia ; Ribera, Pedro | American Geophysical Union | 2007-06-23A new documentary source of data for wind, atmospheric pressure and air temperature for the city of Cadiz (southern Spain) has been abstracted, analyzed and compared with present-day data. Wind records cover the period 1806-1852 with three obser[...]texto impreso
García Herrera, Ricardo ; Gimeno, Luis ; Ribera, Pedro ; Hernández Martín, Emiliano | American Geophysical Union | 2005-02-04Spanish historical documents from the Archivo General de Indias (General Archive of the Indies) have been used to identify Caribbean hurricanes and storms from the sixteenth to the nineteenth centuries. These sources provide previously unrecorde[...]texto impreso
Calvo Fernández, Natalia ; Giorgetta, Marco A. ; García Herrera, Ricardo ; Manzini, Elisa | American Geophysical Union | 2009-07-14The influence of the quasi-biennial oscillation (QBO) on the Northern Hemisphere (NH) polar vortex response to warm El Nino-Southern Oscillation (ENSO) events and the impact of the warm ENSO events on the QBO signal in the NH polar stratosphere [...]texto impreso
Calvo Fernández, Natalia ; Giorgetta, Marco A. ; García Herrera, Ricardo ; Manzini, Elisa | American Geophysical Union | 2009-07-14The influence of the quasi-biennial oscillation (QBO) on the Northern Hemisphere (NH) polar vortex response to warm El Nino-Southern Oscillation (ENSO) events and the impact of the warm ENSO events on the QBO signal in the NH polar stratosphere [...]texto impreso
Stevens, M. Bruce ; González Rouco, J. Fidel ; Beltrami, Hugo | American Geophysical Union | 2008-02-05General circulation models (GCMs) are currently able to provide physically consistent simulations of millennial climate variability in which estimations of external forcing factors are incorporated as boundary conditions. Climate reconstruction [...]texto impreso
The interseasonal relationship between Northern Hemisphere (NH) snow cover and regional blocking patterns is explored for a 31-year data set. It is found that snow cover exerts an important influence on regional atmospheric blocking, which, in t[...]texto impreso
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 [...]