Now showing items 21-40 of 110

    Caracterización y modelación del sistema agroalimentario sostenible en la comunidad de Ziparadó, Resguardo indígena Embera Dóbida de Tanela, municipio de Unguía, departamento del Chocó, Colombia. 

    Botero Posada, Simón Andrés (Date of defense: 2022-11-29)

    (English) Agro-food systems in indigenous communities, due to their characteristics of complexity and adaptability, must be studied from a multidimensional perspective. In this class of systems, economic, political, ...

    Climate change impacts on winter tourism in the Pyrenees and adaptation strategies 

    Pons Pons, Marc (Date of defense: 2014-11-07)

    Climate Change has become no longer a conjecture but an objective reality. The increase of the global average temperature, the seas level rise or the increase in the frequency and magnitude of extreme weather events are ...

    Complexitat tècnica i socioeconòmica del model energètic : una aproximació biomimètica a les xarxes intel·ligents de transmissió d'energia i informació "smartgrid" 

    Salas Prat, Pep (Date of defense: 2015-07-14)

    This thesis is a interdisciplinary research in the field of sustainable energy systems with the falsifiable hypothesis "a necessary transition from a society highly dependent on oil to one based on the use of local resources ...

    Conocimiento y percepción ambiental sostenible en la arquitectura del desarrollo de la agroindustria : casos de estudio Argentina y Paraguay 

    Landeros Suárez, Arturo (Date of defense: 2016-02-05)

    To analyse the current situation of the Latin American subcontinent is to speak of a process of repression, as explained by Alberto Acosta when referring to the evil of abundance: countries rich in natural resources, whose ...

    Consumer preference heterogeneity towards olive oil virgin extra : hypothetical and non-hypothetical choice experiments 

    Yangui, Ahmed (Date of defense: 2014-05-29)

    The present dissertation aim a contributing to both agricultural economics and marketing literature by addressing specific issues related to discrete choice models and choice experiments. More precisely, this thesis focuses ...

    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 ...

    Consumos eléctricos de la ciudad de Loja -Ecuador- y la incidencia del parque eólico Villonaco 

    Ayala Chauvin, Manuel Ignacio (Date of defense: 2018-11-12)

    Urban energy systems are an essential part of cities, which require a reliable and abundant supply of electricity and other services (such as water, fuel for transportation or food). On the other hand, the double crisis ...

    Contextualización de la enseñanza de las matemáticas en las carreras tecnológicas 

    López Díaz, María Teresa (Date of defense: 2022-07-22)

    The teaching of Mathematics has been always a matter of great concern at all academic levels and more especially in technological degrees. Both the contents of mathematical subjects and the way they are taught, have been ...

    De la sostenibilidad hacia la resiliencia en las prácticas urbanísticas : La ciudad de Barcelona y el barrio de Vallcarca. 

    De Balanzó, Rafael (Date of defense: 2017-06-29)

    Con el objetivo de identificar factores y características que faciliten y promuevan la resiliencia social-ecológica en las ciudades, esta tesis doctoral sitúa, analiza, estructura, e interpreta las prácticas urbanísticas ...

    Desafíos en la implementación de proyectos de cooperación en servicios de agua dentro del proceso de urbanización sostenible. Cuatro casos de estudio en África: Maputo (Mozambique), Idjwi (DR Congo), Wukro (Etiopía) y Mecufi (Mozambique) 

    Jiménez Redal, Rubén (Date of defense: 2014-07-22)

    Many NGOs have tried to implement cooperation projects in water services in Africa. A percentage of them has been successful when it comes to sustainability but a significant proportion has failed . Discovering and analyzing ...

    Desarrollo de un kit de control y monitorización telemática de bajo coste para sistemas de energía solar térmica en multivivienda 

    González Valero, Aitor (Date of defense: 2018-05-21)

    Solar thermal technology for domestic water heating is already a mature technology competitive to other conventional energy based systems. This has motivated some countries, regions or local authorities worldwide (Spain, ...

    Detailed energy and comfort simulation of integral refurbishment of existing buildings in Catalonia 

    Ortiz Ferrà, Joana Aina (Date of defense: 2016-11-11)

    The energy renovation of buildings is an essential action to achieve the European target of 20/20/20. However, the dynamics of the energy renovation are very slow and the development of urgent policy actions beyond the ...

    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 ...

    Development of a standardized tool to calculate carbon footprint in ports 

    Azarkamand, Sahar (Date of defense: 2021-11-04)

    An important goal to tackle environmental problems and foster sustainable development in the near future is to reduce the generation of greenhouse gas emissions (GHG) from different industrial sectors including ports. ...

    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 ...

    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 ...

    Eficiència energètica en edificis d'ús docent en la ciutat mediterrània. Cas a estudi, ciutat de Barcelona 

    Bosch González, Montse (Date of defense: 2015-07-16)

    Based on the experience gained during more than 10 years working on energy efficiency in public buildings of various uses, this thesis develops a methodology for intervention in school buildings. The aims were to define ...

    Estudio de la mejora de la eficiencia energética de la ventilación en sistemas de climatización con el uso de recuperadores de calor 

    Ribé, Óscar (Date of defense: 2018-11-09)

    Energy recovery elements play a major role in the efficiency and sustainability of building ventilation systems. The use of a sensible or total energy recovery ventilator is a key decision for ventilation systems designers. ...

    Evaluación de planes de electrificación rural y propuesta de planificación con criterios técnicos y sociales 

    Gómez Hernández, Dorian Francisco (Date of defense: 2021-11-18)

    Energy access allows to improve population life quality, specifically in terms of food, education and health. Currently, 10% of the world population does not have electricity. 85% of this population is mainly concentrated ...

    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 ...