Now showing items 1-20 of 110

    Modelo de sostenibilidad regional: dinámica de sistemas para enfrentar la pobreza en Suramérica. 

    Gallón Londoño, Luciano (Date of defense: 2012-02-07)

    En 1950 vivían en Suramérica unos 113 millones de personas; en 2010, 393 millones, tres veces y media más. La mitad de ellos vive en la pobreza. En 2050, alrededor de 485 millones vivirán allí. Las figuras contemporáneas ...

    An assessment of the impacts of recent food market shocks on food prices using price transmission analysis 

    Hassouneh, Islam (Date of defense: 2012-02-29)

    Los mercados mundiales agroalimentarios se han visto recientemente afectados por shocks importantes tales como crisis alimentarias y el estallido del mercado de los biocombustibles. La presente tesis contribuye de forma ...

    Integració d'eines i mètodes de la mesura de la sostenibilitat d'un territori en un sistema d'informació 

    Bofill Abelló, Jordi (Date of defense: 2012-06-05)

    Es realitza una recerca aplicada en els camps de la mesura de la sostenibilitat d’un territori, i dels sistemes d’informació, estudiats com un sistema complex. D’una banda, s’analitzen les eines i els mètodes aplicats en ...

    Consumer preferences for organic food: behavior building-up, importance of pricing, information and sensory issues 

    Avitia Rodríguez, Jessica Alejandra (Date of defense: 2012-07-04)

    The aim of this thesis is to investigate Spanish consumers purchase motivations and behavior towards organic food by means of determining the key factors that take part on building their behavior. An important contribution ...

    Diseño de un modelo de análisis de sostenibilidad de políticas públicas en salud 

    Salas Zapata, Walter Alfredo (Date of defense: 2012-07-17)

    Public health policies are often influenced by social-ecological interactions that affect the achievement of policy goals and may produce early interruptions of actions. Paradigms, frameworks and models most commonly used ...

    Modelització matemàtica de la transferència de massa i energia en el procés de compostatge 

    Illa Alibés, Josep (Date of defense: 2012-11-23)

    El procés de compostatge és complex degut a que hi intervenen simultàniamentfenòmens de naturalesa molt diversa que interactuen entre ells. La modelitzaciómatemàtica és una eina que facilita l’anàlisi d’aquests sistemes ...

    Variational multiscale stabilization of finite and spectral elements for dry and moist atmospheric problems 

    Marras, Simone (Date of defense: 2012-12-10)

    In this thesis the finite and spectral element methods (FEM and SEM, respectively) applied to problems in atmospheric simulations are explored through the common thread of Variational Multiscale Stabilization (VMS). This ...

    Propuesta metodológica para el análisis de la sostenibilidad regional 

    Antequera Baiget, Josep (Date of defense: 2012-12-12)

    En esta tesis hemos elaborado una propuesta metodológica de análisis de la sostenibilidad regional utilizando la visión sistémica para su conceptualización, el paradigma de la sostenibilidad para su análisis, la metodología ...

    Extensió dels Learning Management Systems cap al m-learning des d'una perspectiva sostenible 

    Casañ Guerrero, Maria José (Date of defense: 2013-03-14)

    L’educació va ser marcada a l’any 2000 per les Nacions Unides com un dels Objectius del Mil·lenni pel desenvolupament. Amb aquest objectiu, també conegut com “educació per a tothom”, es pretén que per l’any 2015, tots els ...

    Developing tools to evaluate the environmental status of Andean basins with mining activities 

    Yacoub López, Cristina (Date of defense: 2013-05-13)

    The water quality status of an Andean river basin was characterised and the pressures from anthropogenic activities were evaluated to enhance the available knowledge of the environment within an ecosystem in Peru. This ...

    Study of methods for the improvement of the anaerobic digestion of lipids and long chain fatty acids 

    Affes Salah, Rim (Date of defense: 2013-05-14)

    Anaerobic digestion is a biochemical process that transforms diverse categories of biomass feedstock to renewable energy, in the form of methane, and contributes to resources conservation and greenhouse gases emission ...

    Sistema de pronóstico de radiación solar a corto plazo a partir de un modelo meteorológico y técnicas de post-proceso para España 

    Rincón Rodríguez, Angel Alberto (Date of defense: 2013-06-28)

    El incremento de la utilizaci on de la energ a solar como fuente de generaci on de energ a requiere de una adecuada estimaci on de la radiaci on solar global y directa incidente en la super cie terrestre. La estimaci on ...

    La cuenca urbana como unidad territorial para la planificación del desarrollo sostenible en ciudades de media montaña del Trópico Andino. Propuesta de una metodología de planificación y diseño de la estructura construida, circulatoria, verde e hídrica en cuencas urbanas de ciudades de media montaña andina en Colombia: Caso Manizales 

    Agredo Cardona, Gustavo Adolfo (Date of defense: 2013-07-17)

    This doctoral research proposes a model of sustainable planning, based on territorial units called urban basins in cities (Manizales Case), in the middle mountains of Colombian Andean tropics. From the context of research ...

    Anaerobic digestion of animal by-products : pre-treatments and co-digestion 

    Rodríguez Abalde, Ángela (Date of defense: 2013-11-18)

    The meat sector is one of the most important industrial sectors in Europe and it is associated with the generation of large quantities of animal by-products not intended for human consumption (ABPs). The increasing demand ...

    Effect of design and operational factors on the removal of emerging organic contaminants in constructed wetlands for wastewater treatment 

    Ávila Martín, Cristina (Date of defense: 2013-12-09)

    Water of quality constitutes a scarce and essential resource for life and public health, and its sustainable management is of crucial importance. Thus, wastewater treatment, reuse and reclamation represent a key practice ...

    An institutional approach to urban fragmentation : power and sustainability in un-recognized settlements of Mumbai 

    Michelutti, Enrico (Date of defense: 2014-01-10)

    Urban fragmentation is a phenomenon which characterizes the so-called "global city", both in the North and in the South of the world. Since the 1990s, several disciplines have approached fragmentation dynamics from different ...

    Una propuesta metodológica para la modelación y prospección de la sostenibilidad de las cuencas hidrográficas en la Guayana Venezolana 

    Paolini Ruiz, Jorge Iván (Date of defense: 2014-01-14)

    The aim of the current research project is to design a methodological proposal for measuring and examining the sustainability of Venezuela's Guiana river basins. For this, it is proposed a hypothesis that establishes that ...

    The productive efficiency in agriculture: recent methodological advances 

    Guesmi, Bouali (Date of defense: 2014-01-23)

    Firm-level productivity and efficiency analyses have important implications for the evaluation of their economic viability and sustainability. The assessment of a firm's performance requires the use of an adequate ...

    Numerical modelling of constructed wetlands for wastewater treatment 

    Samsó Campà, Roger (Date of defense: 2014-03-28)

    Constructed Wetlands (CWs) are a wastewater treatment technology that inherits the purification potential of natural wetlands and optimizes it to comply with regulations for treated discharges. CWs have become an equally ...

    Lleis d'escala i complexitat estructural de les infraestructures tecnològiques. Els sistemes biològics com a analogia pel disseny i optimització del transport i distribució de l'energia elèctrica 

    Horta Bernús, Ricard (Date of defense: 2014-04-25)

    Within the paradigm of sustainability, this thesis aims to provide complementary views to the conventional engineering in order to put forward tools that facilitate, on the one hand the search of solutions to improve the ...