Mostrando ítems 38-57 de 66
Lana Celaya, María Aránzazu (Fecha de defensa: 2012-02-10)
Marine aerosols have a large potential to influence the Earth¿s climate through their effects on cloud properties. The CLAW hypothesis goes further, and suggests that marine aerosols formed by the sulphur cycle of the ocean ...
Flexas Sbert, Maria del Mar (Fecha de defensa: 2003-07-11)
The Northern Current flows cyclonically contouring the continental slope in the NW Mediterranean. At the entrance of the Gulf of Lions this current is about 20 -- 30 km wide and flows along the deepest half of the continental ...
Nanía Escobar, Leonardo Santos (Fecha de defensa: 1999-10-01)
En los últimos años, el continuo crecimiento de las áreas urbanas ha incrementado los problemas ocasionados por inundaciones, especialmente en las grandes ciudades. Estos problemas aparecen debido a: la disminución del ...
Horváth, Klaudia (Fecha de defensa: 2013-05-30)
Saving water is an economic and ecological need. One way to save water is to reduce losses in irrigation networks by canal automation. The goal of canal automation is to make the right amount of water to at arrive in the ...
Bladé, Ernest (Fecha de defensa: 2005-07-01)
El conocimiento del funcionamiento hidráulico de un río en avenida es fundamental para la resolución de gran variedad de problemas de ingeniería hidráulica y dinámica fluvial, como delimitación de zonas inundables, diseño ...
Comerma Piña, Eric (Fecha de defensa: 2004-07-20)
Uno de los principales problemas que afectan al medio marino son los repetidos episodios de contaminación por hidrocarburos. A los grandes derrames provocados por petroleros accidentados hay que sumarle un volumen anual ...
Jurado Cojo, Elena (Fecha de defensa: 2006-11-24)
Els Contaminants Organic Persistents (COPs), tals com PCB, PCDD/FS i PAHs, són un grup de compostos químics regulats per a la seva reducció o ja prohibits a causa de la seva persistència, potencial per a ser transportat ...
Lozoya Azcárate, Juan Pablo (Fecha de defensa: 2012-10-29)
This thesis deals with the need to move towards a holistic, truly integrated and ecosystem-based beach management that allows a sustainable use of these systems within the socio-ecological paradigm. However, the scarcity ...
Rosell-Fieschi, Miquel (Fecha de defensa: 2014-07-03)
The velocity fields inferred from the trajectories of Argo floats have proven to be a valuable tool for observing the major ocean currents. The velocity fields can be used to examine statistical properties at regional and ...
Peña Izquierdo, Jesús (Fecha de defensa: 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 with the intense ...
Romera Castillo, Cristina (Fecha de defensa: 2011-10-07)
Oceans store 685 Pg of organic carbon of which 662 Pg are in a dissolved form. The diversity of compounds that make up the dissolved organic matter (DOM) pool and the low concentration of each compound make the chemical ...
Segura Noguera, Mariona (Fecha de defensa: 2007-10-19)
Els organismes vius estan composats d'elements químics, principalment C, H, O, N, P i S. L'estudi d'aquests elements essencials és una eina molt útil que permet moure'ns entre diferents nivells d'organització biològica, ...
López Fernández, Laura (Fecha de defensa: 2013-10-24)
Wave storms and river inputs have been found to be the dominant forcing mechanism of sediment transport in continental shelves dominated by medium to large rivers around the world (e.g. Drake and Cacchione, 1985; Sherwood ...
León Arteaga, Angélica M. de (Fecha de defensa: 2002-07-19)
In this research we tested two data analyses methodologies, namely the empirical orthogonal functions (EOFs) to estimate hydrographic CTD data profiles, and a successive corrections algorithm (SC) to project the results ...
Medina Enriquez, Pablo (Fecha de defensa: 2002-07-17)
The objectives of the thesis were, on the one hand, to test the possibilities of a well-known experimental configuration (oscillating grid mixing box), used to study stratified fluids in turbulent flows with zero-mean, on ...
Gabarró Prats, Carolina (Fecha de defensa: 2004-12-17)
El treball realitzat en aquesta tesi està emmarcat en la missió SMOS (Soil Moisture and Ocean Salinity) de l'Agència Espacial Europea. El satèl·lit es llançarà al febrer del 2007, i mesurarà la salinitat superficial del ...
Reñé Vicente, Albert (Fecha de defensa: 2014-02-28)
Dinoflagellates are one of the most abundant and diverse groups of microalgae. Many dinoflagellates are covered with cellulose plates, whereas others lack these plates and are hence referred to as athecate or unarmoured. ...
Ahumada Sempoal, Miguel Angel (Fecha de defensa: 2014-12-11)
A high-resolution (~1.2km) 3D circulation model nested in one-way to a coarse-resolution (~4km) 3D regional model was used to examine the interaction between the Northern Current and the Blanes submarine canyon (~41°00’-41°46’N; ...
Mestres Ridge, Marc (Fecha de defensa: 2002-07-15)
Traditionally, the sea has been considered as the ultimate sink of most pollutions, due to its huge volume and assimilating capacities, and the coastal waters, because of their intermediate position between deep seas and ...
Bolaños Sánchez, Rodolfo (Fecha de defensa: 2004-11-17)
En la zona costera mediterránea se llevan a cabo una gran cantidad de actividades socioeconómicas. En estas áreas los eventos meteorológicos son un factor importante para su manejo y gestión. Esto ha generado la necesidad ...