• Magnesium oxide as alternative binder for unfired clay bricks manufacturing 

      Espuelas Zuazu, Sandra Upna Orcid; Omer, Joshua; Marcelino Sádaba, Sara Upna Orcid; Echeverría, Angel María Upna Orcid; Seco Meneses, Andrés Upna Orcid (Elsevier, 2017)   Artículo / Artikulua  OpenAccess
      Replacement of fired bricks by unfired ones could be an effective way to reduce the building industryenvironmental footprint: Their manufacture not only requires less energy and natural resources but alsogenerates less waste. ...
    • Mathematical models to describe the volumetric shrinkage rate of red beans during drying 

      Correa, P. C.; Resende, O.; Arazuri Garín, Silvia Upna Orcid; Jarén Ceballos, Carmen Upna Orcid; Oliveira, Gabriel H. H. de (Associação Brasileira de Engenharia Agrícola, 2011)   Artículo / Artikulua  OpenAccess
      The present study aimed to determine the volumetric shrinkage rate of bean (Phaseolus vulgaris L.) seeds during air-drying under different conditions of air, temperature and relative humidity, and to adjust several ...
    • Monitoring water vapour with GNSS during a heavy rainfall event in the Spanish Mediterranean area 

      Priego, E.; Jones, J.; Porres, M. J.; Seco Meneses, Andrés Upna Orcid (Taylor & Francis, 2017)   Artículo / Artikulua  OpenAccess
      The Spanish Mediterranean area is periodically affected by torrential rainfall events during autumn. In September 2012, one of these episodes took place with up to 50 mm of rain in a 1-hour period and with more than 300 ...
    • Multi-criteria evaluation of topographic correction methods 

      Sola Torralba, Ion Upna Orcid; González de Audícana Amenábar, María Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      In the last decades, several topographic correction methods (TOC) have been proposed, but there is not an agreement on the best method. Furthermore, different evaluation criteria have been used in the past, and there is ...
    • A multi-year analysis of traffic accidents involving agricultural tractors 

      Arnal Atarés, Pedro Upna; López Maestresalas, Ainara Upna Orcid; Arazuri Garín, Silvia Upna Orcid; Mangado Ederra, Jesús Upna; Jarén Ceballos, Carmen Upna Orcid (AIDIC, 2017)   Artículo / Artikulua  OpenAccess
      The agricultural sector in Spain is responsible for a high rate of accidents every year, and many of them are traffic accidents. Tractors are a relatively rare sight on roads, meaning that the incidence of accidents involving ...
    • Non-destructive detection of blackspot in potatoes by Vis-NIR and SWIR hyperspectral imaging 

      López Maestresalas, Ainara Upna Orcid; Keresztes, Janos C.; Goodarzi, Mohammad; Arazuri Garín, Silvia Upna Orcid; Jarén Ceballos, Carmen Upna Orcid; Saeys, Wouter (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      Blackspot is a subsurface potato damage resulting from impacts during harvesting. This type of bruising represents substantial economic losses every year. As the tubers do not show external symptoms, bruise detection in ...
    • On the added value of quad-pol data in a multi-temporal crop classification framework based on RADARSAT-2 imagery 

      Larrañaga, Arantzazu Upna; Álvarez-Mozos, Jesús Upna Orcid (MDPI, 2016)   Artículo / Artikulua  OpenAccess
      Polarimetric SAR images are a rich data source for crop mapping. However, quad-pol sensors have some limitations due to their complexity, increased data rate, and reduced coverage and revisit time. The main objective of ...
    • On the assimilation set-up of ASCAT soil moisture data for improving streamflow catchment simulation 

      Loizu Maeztu, Javier Upna Orcid; Massari, Christian; Álvarez-Mozos, Jesús Upna Orcid; Tarpanelli, Angelica; Brocca, Luca; Casalí Sarasíbar, Javier Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Assimilation of remotely sensed surface soil moisture (SSM) data into hydrological catchment models has been identified as a means to improve stream flow simulations, but reported results vary markedly depending on the ...
    • On the soil roughness parameterization problem in soil moisture retrieval of bare surfaces from synthetic aperture radar 

      Verhoest, Niko E. C.; Lievens, Hans; Wagner, Wolfgang; Álvarez-Mozos, Jesús Upna Orcid; Moran, M. Susan; Mattia, Francesco (MDPI, 2008)   Artículo / Artikulua  OpenAccess
      Synthetic Aperture Radar has shown its large potential for retrieving soil moisture maps at regional scales. However, since the backscattered signal is determined by several surface characteristics, the retrieval of soil ...
    • Phytochemicals determination and classification in purple and red fleshed potato tubers by analytical methods and near infrared spectroscopy 

      Tierno, Roberto; López Maestresalas, Ainara Upna Orcid; Riga, Patrick; Arazuri Garín, Silvia Upna Orcid; Jarén Ceballos, Carmen Upna Orcid; Ruiz de Galarreta, José Ignacio Upna (Wiley, 2016)   Artículo / Artikulua  OpenAccess
      BACKGROUND: Over the last two decades, the attractive colours and shapes of pigmented tubers and the increasing concern about the relationship between nutrition and health have contributed to the expansion of their ...
    • Prediction of main potato compounds by NIRS 

      López Maestresalas, Ainara Upna Orcid; Pérez Roncal, Claudia Upna Orcid; Tierno, Roberto; Arazuri Garín, Silvia Upna Orcid; Ruiz de Galarreta, José Ignacio Upna; Jarén Ceballos, Carmen Upna Orcid (AIDIC, 2017)   Artículo / Artikulua  OpenAccess
      Potato (Solanum tuberosum, L) compounds are generally determined by analytical methods including gasliquid chromatography (GLC), HPLC and UV-VIS spectrophotometry. These methods require a lot of time and are destructive. ...
    • Project management in development cooperation. Non-governmental organizations 

      Montes Guerra, Maricela I.; Romero de Miguel, Aida; Pérez Ezcurdia, Amaya Upna Orcid; Gimena Ramos, Faustino Upna Orcid; Díez Silva, H. Mauricio (Universidad Nacional de Colombia, 2015)   Artículo / Artikulua  OpenAccess
      Este artículo analiza la adopción de prácticas propias de la gestión de proyectos en las ONG destinadas a la cooperación para el desarrollo, así como su influencia en la ejecución y el impacto de la aplicación de metodologías, ...
    • Residual stresses with time-independent cyclic plasticity in finite element analysis of welded joints 

      Lostado Lorza, Rubén; Corral Bobadilla, Marina; Martínez Calvo, María Ángeles; Villanueva Roldán, Pedro Upna Orcid (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      Due to the intense concentration of heat in a reduced area when Gas Metal Arc Welding (GMAW) is used to join mechanical components, the regions near the weld bead are subjected to severe thermal cycles. Firstly, the region ...
    • A review of the application of near-infrared spectroscopy for the analysis of potatoes 

      López Maestresalas, Ainara Upna Orcid; Arazuri Garín, Silvia Upna Orcid; García Ruiz, Ignacio Upna Orcid; Mangado Ederra, Jesús Upna; Jarén Ceballos, Carmen Upna Orcid (American Chemical Society, 2013)   Artículo / Artikulua  OpenAccess
      Potato (Solanum tuberosum L.) is one of the most important crops in the world being considered as a staple food in many developing countries. The potato industry like other vegetable and fruit industries is subject to the ...
    • Runoff, nutrients, sediment and salt yields in an irrigated watershed in southern Navarre (Spain) 

      Merchán Elena, Daniel Upna; Casalí Sarasíbar, Javier Upna Orcid; Valle de Lersundi, Jokin del; Campo-Bescós, Miguel Upna Orcid; Giménez Díaz, Rafael Upna Orcid; Preciado, Beatriz; Lafarga, Alberto (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      The environmental impact of irrigated agriculture on water quality was assessed in Landazuria watershed (Navarre, northeast Spain), a 479.5 ha watershed with 53% of irrigated agricultural land. In the framework of a long-term ...
    • Sulfate soils stabilization with magnesium-based binders 

      Seco Meneses, Andrés Upna Orcid; Miqueléiz Jiménez, Luis Upna; Prieto Cobo, Eduardo Upna Orcid; Marcelino Sádaba, Sara Upna Orcid; García, Beñat; Urmeneta, Pablo (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      Sulfate soils' stabilization is a very interesting subject with technical, economic and environmental implications. The difficulty of their stabilization is due to the fact that the usual stabilizer additives are based ...
    • Sustainable unfired bricks manufacturing from construction and demolition wastes 

      Seco Meneses, Andrés Upna Orcid; Omer, Joshua; Marcelino Sádaba, Sara Upna Orcid; Espuelas Zuazu, Sandra Upna Orcid; Prieto Cobo, Eduardo Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      The management of construction and demolition wastes is a huge challenge for most Governments. Thegreatest component of such wastes is concrete and masonry fragments or remains. Among the most com-mon approaches to ...
    • Synthetic images for evaluating topographic correction algorithm 

      Sola Torralba, Ion Upna Orcid; González de Audícana Amenábar, María Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid; Torres Escribano, José Luis Upna Orcid (IEEE, 2013)   Artículo / Artikulua  OpenAccess
      In the last years, many topographic correction (TOC) methods have been proposed to correct the illumination differences between the areas observed by optical remote sensors. Although the available number of TOC methods is ...
    • Technical and environmental characterization of hydraulic and alkaline binders 

      Espuelas Zuazu, Sandra Upna Orcid; Echeverría, Angel María Upna Orcid; Marcelino Sádaba, Sara Upna Orcid; Prieto Cobo, Eduardo Upna Orcid; Seco Meneses, Andrés Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Portland cement is a widely used binder in construction and building applications because of its good properties. Despite its convenience as construction material, the social demands and policies trends are requesting a ...
    • Temporal downscaling of test reference years: effects on the long-term evaluation of photovoltaic systems 

      García Ruiz, Ignacio Upna Orcid; Torres Escribano, José Luis Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Representative meteorological data from a given location are necessary to assess the long-term performance of photovoltaic (PV) systems. Test reference years (TRYs) or typical meteorological years (TMYs) are widely used ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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