Recent Submissions

  • Pohlke theorem: demonstration and graphical solution 

    Gimena Ramos, Faustino Upna Orcid; Gimena Ramos, Lázaro Upna; Goñi Garatea, Mikel Upna Orcid; Gonzaga Vélez, Pedro Upna Orcid (Springer, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    It is known that the axonometric defined by Pohlke, is geometrically known as a means of representing the figures of space using a cylindrical projec-tion and proportions. His theorem says that the three unit vectors ...
  • Geometric locus associated with thriedra axonometric projections. Intrinsic curve associated with the ellipse generated 

    Gonzaga Vélez, Pedro Upna Orcid; Gimena Ramos, Faustino Upna Orcid; Gimena Ramos, Lázaro Upna; Goñi Garatea, Mikel Upna Orcid (Springer, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In previous work on the axonometric perspective, the authors presented some graphic constructions that allowed a single and joint invariant description of the relations between an orthogonal axonometric system, its related ...
  • Evaluación de la aplicabilidad del año de referencia UNE-EN ISO 15927 ainstalaciones fotovoltaicas 

    Torres Escribano, José Luis Upna Orcid; Blas Corral, María Ángeles de Upna Orcid; García Gorostiaga, Almudena; García Ruiz, Ignacio Upna Orcid (Fundación General de la Universidad Politécnica de Madrid, 2014)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    El desarrollo y expansión de las tecnologías de aprovechamiento de la energía solar hace necesario disponer de datos meteorológicos representativos de un determinado lugar que permitan predecir el comportamiento energético ...
  • Characterization of optical losses due to tracking systems on a linear solar thermal concentrator 

    Sallaberry , Fabienne Michéle (2015)   Tesis doctoral / Doktoretza tesia  OpenAccess
    La energía solar térmica es capaz de proporcionar una fracción considerable de las demandas actuales y futuras de energía en ambos sectores industriales y domésticos. Este hecho se refleja en el creciente interés de nuevos ...
  • Challenges in Life Cycle Assessment (LCA) of stabilised clay-based construction materials 

    Marcelino Sádaba, Sara Upna Orcid; Kinuthia, John; Oti, Jonathan; Seco Meneses, Andrés Upna Orcid (Elsevier, 2017)   Artículo / Artikulua  OpenAccess
    The preference of clay-based materials for sustainable construction is well-established. The establishment ofsustainability credentials of emergent construction materials is very subjective, and most available tools are ...
  • 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 ...
  • 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 ...
  • Evaluation of 2D models for the prediction of surface depression storage using realistic reference values 

    Giménez Díaz, Rafael Upna Orcid; Mezkiritz Barberena, Irantzu; Campo-Bescós, Miguel Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid; González de Audícana Amenábar, María Upna Orcid; Martínez de Aguirre Escobar, Alejandro Upna Orcid; Casalí Sarasíbar, Javier Upna Orcid (Wiley, 2016)   Artículo / Artikulua  OpenAccess
    Depression storage (DS) is the maximum storage of precipitation and runoff in the soil surface at a given slope. The DS is determined by soil roughness that in agricultural soils is largely affected by tillage. The direct ...
  • Factors controlling sediment export in a small agricultural watershed in Navarre (Spain) 

    Giménez Díaz, Rafael Upna Orcid; Casalí Sarasíbar, Javier Upna Orcid; Grande Esteban, Ildefonso Upna; Díez Beregaña, Javier Upna; Campo-Bescós, Miguel Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid; Goñi Garatea, Mikel Upna Orcid (Elsevier, 2012)   Artículo / Artikulua  OpenAccess
    It is recognised that the hydrological and erosion processes in watersheds are very much conditioned by the (inter)action of a number of variables. This paper covers a 15-year period of studying those factors that have ...
  • Demonstrating correspondence between decision-support models and dynamics of real-world environmental systems 

    Huffaker, Ray; Muñoz Carpena, Rafael Upna Orcid; Campo-Bescós, Miguel Upna Orcid; Southworth, Jane (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
    There are increasing calls to audit decision-support models used for environmental policy to ensure that they correspond with the reality facing policy makers. Modelers can establish correspondence by providing empirical ...
  • Watering or buffering? Runoff and sediment pollution control from furrow irrigated fields in arid environments 

    Campo-Bescós, Miguel Upna Orcid; Muñoz Carpena, Rafael Upna Orcid; Kiker, Gregory A.; Bodah, Brian W.; Ullman, Jeffrey L. (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
    Surface irrigated agriculture in arid and semi-arid regions contributes to downstream environmental degradation. Changes in irrigation system operational scenarios (ISOS) can represent an economic alternative to reduce ...
  • 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 ...
  • Gully geometry: what are we measuring? 

    Casalí Sarasíbar, Javier Upna Orcid; Giménez Díaz, Rafael Upna Orcid; Campo-Bescós, Miguel Upna Orcid (European Geosciences UnionCopernicus Publications, 2015)   Artículo / Artikulua  OpenAccess
    Much of the research on (ephemeral) gully erosion comprises the determination of the geometry of these eroded channels, especially their width and depth. This is not a simple task due to uncertainty generated by the wide ...
  • Evaluación de la producción de sedimentos y calidad de las aguas en cuencas agrarias de Navarra 

    Giménez Díaz, Rafael Upna Orcid; Casalí Sarasíbar, Javier Upna Orcid; Díez Beregaña, Javier Upna (Universidad de La Rioja, 2012)   Artículo / Artikulua  OpenAccess
    The Government of Navarre (Spain) established a series of experimental watersheds on different sites of its territory in order to assess the impact of the agricultural activities on the environment. Hydrological/meteorological ...
  • 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 ...
  • La atención a las emergencias en las zonas rurales. Modelos de personal operativo de los servicios de bomberos 

    Echeverría Iriarte, Francisco Javier (2017)   Tesis doctoral / Doktoretza tesia  OpenAccess
    En 2013 un estudio sobre la ubicación de los parques de bomberos en España y de su cobertura territorial identificó deficiencias en relación a la población que no dispone de atención apropiada en un tiempo considerado como ...
  • Análisis de la información sobre accidentes en el sector agrario recogida en los medios de comunicación en el decenio 2004 a 2013 

    Arnal Atarés, Pedro Upna (2017)   Tesis doctoral / Doktoretza tesia  OpenAccess
    El presente trabajo trata de sacar a la luz muchos accidentes que ocurren en el sector agrario y a los que no se da la importancia debida haciendo que este sector parezca menos peligroso de lo que realmente es. Del ...
  • 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 ...
  • Análisis textural de la ortofoto PNOA para la actualización de bases de datos geográficas de cultivos permanentes 

    Ciriza Labiano, Raquel (2017)   Tesis doctoral / Doktoretza tesia  OpenAccess
    Los cultivos permanentes como los olivos, las viñas o los árboles frutales son importantes en la agricultura europea desde el punto de vista de su relevancia especial y económica. En al ámbito agricola, es muy común que ...

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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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