• Coupling hysteresis analysis with sediment and hydrological connectivity in three agricultural catchments in Navarre, Spain 

      Keesstra, Saskia D.; Davis, Jason; Masselink, Rens Hein; Casalí Sarasíbar, Javier Upna Orcid; Peeters, Edwin T.H.M.; Dijksma, Roel (Springer Verlag, 2019)   Artículo / Artikulua  OpenAccess
      Purpose: Rain storm events mobilise large proportions of fine sediments in catchment systems. Sediments from agriculturalcatchments are often adsorbed by nutrients, heavy metals and other (in)organic pollutants that may ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Generation of the site-adapted clearest-sky year of direct normal irradiance for solar concentrating technologies 

      García Ruiz, Ignacio Upna Orcid; Royo Romeo, Alberto; Torres Escribano, José Luis Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Concentrating photovoltaic and thermoelectric solar facilities base their operation on collecting the direct component of solar radiation. Given that the direct beam that reaches the Earth's surface varies greatly in ...
    • 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 ...
    • Comparison between capacitive and microstructured optical fiber soil moisture sensors 

      López Aldaba, Aitor Upna; López Torres, Diego Upna Orcid; Campo-Bescós, Miguel Upna Orcid; López Rodríguez, José Javier Upna Orcid; Yerro Lizarazu, David; Elosúa Aguado, César Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      Soil moisture content has always been an important parameter to control because it is a deterministic factor for site-specific irrigation, seeding, transplanting, and compaction detection. In this work, a discrete sensor ...
    • 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 ...
    • Assessment of soil factors controlling ephemeral gully erosion on agricultural fields 

      Ollobarren del Barrio, Paul Upna; Campo-Bescós, Miguel Upna Orcid; Giménez Díaz, Rafael Upna Orcid; Casalí Sarasíbar, Javier Upna Orcid (Wiley, 2017)   Artículo / Artikulua  OpenAccess
      The soil factor is crucial in controlling and properly modeling the initiation and development of ephemeral gullies (EGs). Usually, EG initiation has been related to various soil properties (i.e. sealing, critical shear ...
    • Assessing soil properties controlling interrill erosion: an empirical approach under Mediterranean conditions 

      Ollobarren del Barrio, Paul Upna; Giménez Díaz, Rafael Upna Orcid; Campo-Bescós, Miguel Upna Orcid (Wiley, 2017)   Artículo / Artikulua  OpenAccess
      Soil erodibility is a complex phenomenon that comprises a number of different soil properties. However, most current (empirical) erodibility indices are based on only a few soil properties. A feasible soil characterization ...
    • 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 ...
    • Influence of surface roughness measurement scale on radar backscattering in different agricultural soils 

      Martínez de Aguirre Escobar, Alejandro Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid; Lievens, Hans; Verhoest, Niko E. C. (IEEE, 2017)   Artículo / Artikulua  OpenAccess
      Soil surface roughness strongly affects the scattering of microwaves on the soil surface and determines the backscattering coefficient (σ 0 ) observed by radar sensors. Previous studies have shown important scale issues ...
    • Influence of surface roughness sample size for C-band SAR backscatter applications on agricultural soils 

      Martínez de Aguirre Escobar, Alejandro Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid; Lievens, Hans; Verhoest, Niko E. C.; Giménez Díaz, Rafael Upna Orcid (IEEE, 2017)   Artículo / Artikulua  OpenAccess
      Soil surface roughness determines the backscatter coefficient observed by radar sensors. The objective of this letter was to determine the surface roughness sample size required in synthetic aperture radar applications and ...
    • Assessing hillslope-channel connectivity in an agricultural catchment using rare-earth oxide tracers and random forests models 

      Masselink, Rens Hein; Temme, A.J.A.M.; Giménez Díaz, Rafael Upna Orcid; Casalí Sarasíbar, Javier Upna Orcid; Keesstra, Saskia D. (Universidad de la Rioja, 2017)   Artículo / Artikulua  OpenAccess
      Soil erosion from agricultural areas is a large problem because of off-site effects like the rapid filling of reservoirs. To mitigate the problem of sediments from agricultural areas reaching the channel, reservoirs and ...
    • Understanding top management's decision-making on implementing project management systems: an exploratory study 

      Arraiza Irujo, Juan; Pérez Ezcurdia, Amaya Upna Orcid (Mechanical Engineering Faculty in Slavonski Brod, 2017)   Artículo / Artikulua  OpenAccess
      Top Management’s motivation to invest in improving their organisation’s Project Management processes and practices is arguably an important under-researched phenomenon. In this paper we present the results of an exploratory ...
    • 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. ...
    • 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 ...
    • Hydrological signatures based on event runoff coefficients in rural catchments of the Iberian Peninsula 

      Taguas, Encarnación V.; Nadal-Romero, Estela; Ayuso, José L.; Casalí Sarasíbar, Javier Upna Orcid; Cid, Patricio; Dafonte, Jorge; Canatário-Duarte, Antonio; Ferreira, Carla S.S.; Giménez Díaz, Rafael Upna Orcid; Giráldez Cervera, Juan Vicente; Gómez-Macpherson, Helena; Gómez, Jose A.; González-Hidalgo, J. Carlos; Lana Renault, Noemí; Lucía, Ana; Mateos, Luciano; Pérez, Rafael; Rodríguez-Blanco, M. Luz; Schnabel, Susanne; Serrano-Muela, M. Pilar; Taboada-Castro, M. Mercedes; Taboada-Castro, M. Mercedes; Zabaleta, Ane (Wolters Kluwer, 2017)   Artículo / Artikulua  OpenAccess
      Hydrological signatures are indices that help to describe the behavior of catchments. These indices can also be used to transfer information from gauged to ungauged catchments. In this study, different approaches were ...
    • Automatic detection of uprooted orchards based on orthophoto texture analysis 

      Ciriza Labiano, Raquel; Sola Torralba, Ion Upna Orcid; Albizua, Lourdes; Álvarez-Mozos, Jesús Upna Orcid; González de Audícana Amenábar, María Upna Orcid (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      Permanent crops, such as olive groves, vineyards and fruit trees, are important in European agriculture because of their spatial and economic relevance. Agricultural geographical databases (AGDBs) are commonly used by ...

      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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