Listar FAI - Artículos por centro "Facultad de Ciencias"
Mostrando ítems 1-20 de 20
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A mechanism for the multidecadal modulation of ENSO teleconnection with Europe.
(Springer, 2014-10-26)El Niño phenomenon is the main oceanic driver of the interannual atmospheric variability and a determi- nant source of predictability in the tropics and extratrop- ics. Several studies have found a consistent and statisti- ... -
Electrochemical characterization of charged membranes from different materials and structures by membrane potential analysis.
Romero Fernández, Virginia; Gelde, Lourdes; Benavente-Herrera, Juana
(MDPI, 2023-08-17)
Electrochemical characterization of positively and negatively charged membranes is performed by analyzing membrane potential values on the basis of the Teorell–Meyer–Sievers (TMS) model. This analysis allows the separate ... -
ENSO influence on the North Atlantic European climate: A non-linear and non-stationary approach
(Springer, 2015-12-29)ENSO impact on the North Atlantic European sector (NAE) is still under discussion. Recent studies have found a non stationary feature of this teleconnection, suggesting an effective modu- lating role of the ocean mean ... -
Field deployment of a man-portable stand-off laser-induced breakdown spectrometer: A preliminary report on the expedition to the Cumbre Vieja volcano (La Palma, Spain, 2021)
Palanco-López, Santiago; Pérez-López, Raúl; Galindo-Jiménez, Inés; Bernal, Alberto; Rodríguez-Aranda, Sergio Eliseo; López-Escalante, María Cruz; Leinen, Dietmar; Mediato, Jose F.; López-Gutiérrez, Julio; Ramos-Barrado, José Ramón[et al.] (Elsevier, 2022-04)
This paper reports on the expedition to the Cumbre Vieja volcano (Canary Islands, Spain) in November 2021 to assess stand-off laser-induced breakdown spectroscopy for real-time measurements of the lava streams from a safe ... -
GISPLIT: High-performance global solar irradiance component-separation model dynamically constrained by 1-min sky conditions
Ruiz-Arias, José Antonio; Gueymard, Christian A. (Elsevier, 2024-01-31)
The separation of global horizontal irradiance (GHI) into its direct and diffuse components is necessary in a variety of applications, most specially in solar energy utilization, where knowledge of direct normal irradiance ... -
LaCrO3–CeO2-Based Nanocomposite Electrodes for Efficient Symmetrical Solid Oxide Fuel Cells
Zamudio-García, Javier; Porras-Vázquez, José Manuel; Ramírez-Losilla, Enrique; Marrero-López, David (2022-04-05)
La0.98Cr0.75Mn0.25O3−δ–Ce0.9Gd0.1O1.95 (LCM-CGO) nanocomposite layers with different LCM contents, between 40 and 60 wt %, are prepared in a single step by a spray-pyrolysis deposition method and evaluated as both air and ... -
Mean-preserving interpolation with splines for solar radiation modeling
Ruiz-Arias, José Antonio (Elsevier, 2022-11-17)
Interpolation is a fundamental process in solar resource assessment that glues consecutive components of the modeling chain. Most interpolation techniques assume that the interpolating function must go through the interpolation ... -
Multidecadal modulation of El Niño influence on the Euro-Mediterranean rainfall.
(American Geophysical Union, 2012)[1] El Niño influence on the Euro-Mediterranean Rainfall (EMedR) has changed along the 20th century, and the reasons for this lack of stationarity, which represents an important issue in the climate change context, are ... -
Multidecadal Modulation of ENSO Teleconnection with Europe in Late Winter: Analysis of CMIP5 Models
(American Meteorological Society, 2016-11-15)Many studies point to a robust ENSO signature on the North Atlantic–European (NAE) sector associated with a downstream effect of Rossby wave trains. Some of these works also address a nonstationary behavior of the ... -
One-Step Hydrothermal Synthesis of Cu2ZnSnS4 Nanoparticles as an Efficient Visible Light Photocatalyst for the Degradation of Congo Red Azo Dye
Henríquez, Rodrigo; Salazar Nogales, Paula; Grez Moreno, Paula; Muñoz Cartagena, Eduardo; Leyton Bongiorno, Patricio; Navarrete-Astorga, Elena; Dalchiele, Enrique A.[et al.] (MDPI, 2023-05-25)
A hydrothermal method was successfully employed to synthesize kesterite Cu2ZnSnS4 (CZTS) nanoparticles. X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), field-emission scanning electron ... -
Optical characterization of ALD-coated nanoporous alumina structures: effect of sample geometry or coated layer material
Cuevas, Ana Laura; Vega, Víctor; Domínguez, Antonia; González, Ana Silvia; Prida, Víctor M.; Benavente-Herrera, Juana[et al.] (MDPI, 2023-04-12)
Optical characterization of nanoporous alumina-based structures (NPA-bSs), obtained by ALD deposition of a thin conformal SiO2 layer on two alumina nanosupports with different geometrical parameters (pore size and interpore ... -
Physicochemical Characterization of a Cellulosic Film Modified with Two Room-Temperature Ionic Liquids
Martinez de Yuso, Maria del Valle; Cuevas, Ana Laura; Benavente-Herrera, Juana (IOAP-MPDI, 2022-10-13)
Changes in the physicochemical characteristics of a regenerated cellulose (RC) film due to a surface modification with room-temperature ionic liquids (ILs) are determined. Two ILs (1-butyl-3-metylimidazolium hexafluorophosphate ... -
Radiation dose assessment of 7Be and activated corrosion products present in the hydrogen trap of IFMIF-DONES lithium system
Martínez-Serrano, José Javier; Qiu, Yuefeng; Dézsi, Tomás; Nitti, Francesco Saverio; Ibarra, Ángel (Elsevier, 2024-02-17)
The radiological impact that 7Be and activated corrosion products (ACP) dissolved in Li could have in normal operation and maintenance in the surroundings of the hydrogen trap (HT) of future IFMIF-DONES facility has been ... -
Renewable energy sources for green hydrogen generation in Colombia and applicable case of studies
Patiño, Juan José; Velásquez, Carlos; Ramírez, Edwin; Betancur, Rafael; Montoya, Juan Felipe; Chica, Edwin; Romero-Gómez, Pablo; Mada Kannan, Arunachala; Ramírez, Daniel; Eusse, Pedro; Jaramillo, Franklin[et al.] (MDPI, 2023-11-27)
Electrification using renewable energy sources represents a clear path toward solving the current global energy crisis. In Colombia, this challenge also involves the diversification of the electrical energy sources to ... -
Silver zirconium oxide cermet coatings spray deposited onto galvanized steel sheet for low temperature solar applications
Romero Pareja, Rocío; Domínguez Huertas, Antonia; López-Escalante, María Cruz; Martín-Jiménez, Francisco de Paula; Romero-Gómez, Pablo; Palanco-López, Santiago; Leinen, Dietmar[et al.] (Elsevier, 2023-11-01)
A new type of cermet coating, with potential use as low-cost solar thermal absorber has been developed using spray pyrolysis. It consists of crystalline silver nanoparticles embedded in amorphous zirconia and was obtained ... -
Solar irradiance component separation benchmarking: The critical role of dynamically-constrained sky conditions
Ruiz-Arias, José Antonio; Gueymard, Christian A. (2024-07-01)
The decomposition of global horizontal irradiance into its direct and diffuse components is critical in many applications. To guarantee accurate results in practice, the existing separation techniques need to be validated ... -
SPARTA: Solar parameterization for the radiative transfer of the cloudless atmosphere.
Ruiz-Arias, José Antonio (Elsevier, 2023-10-11)
The high-performance SPARTA broadband clear-sky solar irradiance model is presented. It evaluates global (GHI), diffuse (DIF) and direct normal (DNI) irradiances from atmospheric transmittance functions developed using ... -
Spectral integration of clear-sky atmospheric transmittance: review and worldwide performance
Ruiz-Arias, José Antonio (Elsevier, 2022-03-15)
Broadband atmospheric transmittance is a key component in many broadband clear-sky solar radiation models, whose performance is inevitably bound to the goodness of their atmospheric transmittance parameterizations. A key ... -
Symmetrical solid oxide fuel cells based on titanate nanocomposite electrodes
Zamudio-García, Javier; Dos-Santos-Gómez, Lucía; Porras-Vázquez, José Manuel; Losilla, Enrique R.; Marrero-López, David (Elsevier, 2022-11-26)
Nanocomposite electrodes of (Sr0.7Pr0.3)0.95TiO3±δ−Ce0.9Gd0.1O1.95 are directly prepared by spray-pyrolysis deposition on Zr0.82Y0.16O1.92 electrolytes and their properties are compared with those obtained by the traditional ... -
Towards airborne laser-induced breakdown spectroscopy: A signal recovery method for LIBS instruments subjected to vibrations
Palanco-López, Santiago; Aranda Ruiz, Sergio; Mancebo, Francisco J.; López-Escalante, María Cruz; Leinen, Dietmar; Ramos-Barrado, José Ramón[et al.] (ELSEVIER, 2022-01)
Sample or instrument vibrations can scatter laser impacts across the sample surface, which increases the uncertainty of laser-induced breakdown spectroscopy (LIBS) measurements. The common sources of noise associated to ...