Now showing items 255-274 of 368
Bertran Oller, Oriol (Date of defense: 2023-07-11)
(English) Groundwater is now under high stress levels and its quality and quantity arise as one of the most interesting and necessary topics our community should address. This doctoral thesis is focused on the quality of ...
Solaraju Murali, Balakrishnan (Date of defense: 2023-01-26)
(English) Unfavorable and extreme climate events such as drought and heat stress heavily impacts the agriculture sector and food security globally, and the impact of these climate hazards is expected to increase over the ...
Martí Donati, Alejandro (Date of defense: 2017-07-14)
Explosive volcanic eruptions can eject large quantities of particulate matter that, along with other aerosol droplets and trace gases, are carried upwards into the atmosphere by the buoyant eruption column and then dispersed ...
Fernández Álvarez, Fernando Ángel (Date of defense: 2018-05-03)
Flying squids develop all its life cycle in the water column, as planktonic paralarvae and then as nektonic subadults and adults. In this Ph. D. Thesis, light was shed over several poorly understood aspects of the ontogeny ...
Flo Arcas, Eva (Date of defense: 2017-11-20)
Coastal inshore waters (CIW) are defined as the area of coastal waters between 0 and 200 m from the shoreline. They only represent < 1% of coastal waters, even though they are of main ecological, social, and economic ...
Fontanet i Ambròs, Mireia (Date of defense: 2019-11-25)
By 2025, the Food and Agriculture Organization of the United Nations predicts that two-thirds of the world population will experience water stress conditions. In addition, it is expected that world population will increase ...
Collico, Stefano (Date of defense: 2022-06-13)
The task of geotechnical site characterization includes defining the layout of ground units and establishing their relevant engineering properties. This is an activity in which uncertainties of different nature (inherent, ...
Elkoro Ugarteburu, Ander (Date of defense: 2018-10-26)
This thesis discusses the development of a new methodology for 3D printing of TiO2 nanoparticles and its applications in air purification and hydrogen production. A dosage has been obtained that allows 3D printing by DIW ...
Galeote Moreno, Eduardo (Date of defense: 2018-12-14)
Fibre reinforced concrete (FRC) presents objectively proven advantages in terms of post-cracking strength and manufacturing procedures. As a result, FRC with structural responsibility is increasingly being used in the ...
Rueda Hernández, Estel (Date of defense: 2022-07-18)
(English) Polyhydroxybutyrate (PHB) is one of the most interesting alternatives to conventional plastics, because it has similar properties to polypropylene, it is more biodegradable than other bioplastics, it has really ...
Celigueta Jordana, Miguel Ángel (Date of defense: 2019-11-14)
The work presented in this Thesis is a set of developments focused on the Particle Finite Element Method (PFEM) and its applicability in several fields in Civil Engineering. The PFEM had already been proven to be a powerful ...
Pérez Illanes, Rodrigo Alfonso (Date of defense: 2024-01-16)
(English) Aquifers are naturally heterogeneous systems across multiple scales, which poses a known difficulty for grid-based solvers of solute transport. When advection is the dominant transport mechanism, concentrations ...
Tapias Camacho, Mauricio Alberto (Date of defense: 2016-12-21)
This thesis presents a study of the mechanical behaviour of coarse-crushable aggregates, using the discrete element method (DEM). A novel DEM model has been developed taking into account particle breakage, the influence ...
Marín Vindas, Carolina Alexandra (Date of defense: 2023-09-06)
(English) Marine microorganisms are fundamental for life on Earth. For example, they have produced most of the oxygen existing in our planet and are essential in biogeochemical cycles and energy flow to different trophic ...
Ballesteros Mascarell, Ainara (Date of defense: 2023-01-13)
(English) Jellyfish stings cause discomfort to users of the marine environment, who sometimes require medical assistance. Although jellyfish stings are common today, the scientific community remains in disagreement on how ...
Bado, Mattia Francesco (Date of defense: 2021-07-26)
The employment of a novel cutting edge strain monitoring technique named Distributed Optical Fiber Sensors (DOFS) as Structural Health Monitoring (SHM) tools is becoming increasingly common. Its popularity can be attributed ...
Barba Ferrer, Carme (Date of defense: 2018-11-16)
Worldwide water demand has been increasing over time, mainly due to population growth and society development. In addition, climate change is causing a significant alteration of the periodicity and intensity of precipitation ...
Latorre Pérez, Francisco (Date of defense: 2023-02-03)
(English) There is a myriad of microorganisms on Earth contributing to global biogeochemical cycles. In the surface ocean, the smallest microbes (picoplankton) are responsible for an important fraction of the total atmospheric ...
Salgado-Gálvez, M. A. (Date of defense: 2016-07-04)
Calderón Vega, Felícitas (Date of defense: 2021-04-20)
This thesis encompasses a set of different subjects related to metocean variables but studied from different perspectives. The metocean variables are mainly significant wave heights and wind velocities and, to a lesser ...