Anzuola Valencia, Esdras (Date of defense: 2015-06-15)
In the last years free-space optical communications systems for wireless links have been proposed, studied, and implemented mainly due to the higher bandwidth that this technology is able to provide. ...
Jaramillo Santana, Nayive (Date of defense: 2014-06-12)
The risk coming from natural hazards is usually assessed in physical terms by estimating the losses they may cause. Nevertheless, the risk assessment can involve such aspects as the lack of economic and ...
Yang, Heng, 1985- (Date of defense: 2019-06-11)
The research of this thesis addresses the detection and characterization of ionospheric waves and its application to traveling ionospheric disturbances (TIDs) induced by the natural events, such as ...
Obiso, Vincenzo (Date of defense: 2018-03-07)
In this thesis an assessment of the parameterization of the Aerosol-Radiation Interaction (ARI) in online integrated meteorology-chemistry models has been conducted. The model estimates of ARI radiative ...
Martínez Estévez, Ariadna (Date of defense: 2020-06-29)
In order to cope with the serious and urgent problem of global warming, it is imperative to reduce the impact of CO2 emissions in the atmosphere. One of the alternatives proposed involves the injection ...
Velasco Mansilla, Domitila Violeta (Date of defense: 2013-12-17)
The detailed 3D hydrogeological modelling of sedimentary media that form important aquifers is very complex because of: (1) the natural intrinsic heterogeneity of the geological media, (2) the need for ...
Oliver Serra, Albert (Date of defense: 2015-11-13)
Air pollution is an important topic with a great social impact; it is related with public health, environment and ecology, and climate change. Scientists have developed several models in the last thirty ...
Peña Izquierdo, Jesús (Date of defense: 2015-02-20)
Regions isolated from the wind-driven circulation are found in the eastern margins of the world's tropical oceans. The weak and stagnant circulation of these so-called “shadow zones”, in combination ...
Salvador Yuste, Albert (Date of defense: 2021-11-12)
In an increasingly technological society,vulnerability to the effects of lightning is also increasing. The implementation of monitoring and surveillance systems in real time of lightning activity can ...
Fernàndez Mora, Mª Àngels (Date of defense: 2015-12-17)
The nearshore zone is plenty of 3D morphodynamic patterns resulting from the interaction of waves, currents and sediments. The dynamics of formation and evolution of these patterns is at present a ...