• Automatic detection of uprooted orchards based on orthophoto texture analysis 

      Ciriza Labiano, Raquel; Sola Torralba, Ion; Albizua, Lourdes; Álvarez Mozos, Jesús; González Audicana, María (MDPI, 2017)   Artículo / Artikulua
      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 ...
    • 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 (MDPI, 2017)   Artículo / Artikulua
      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 ...
    • Multi-criteria evaluation of topographic correction methods 

      Sola Torralba, Ion; González de Audícana Amenábar, María; Álvarez Mozos, Jesús (Elsevier, 2016)   Artículo / Artikulua
      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 ...
    • Evaluation of surface roughness parameters in agricultural soils with different tillage conditions using a laser profile meter 

      Martínez de Aguirre Escobar, Alejandro; Álvarez Mozos, Jesús; Giménez Díaz, Rafael (Elsevier, 2016)   Artículo / Artikulua
      Surface roughness crucially affects the hydrological and erosive behaviours of soils. In agricultural areas surface roughness is directly related to tillage, whose action strongly affects the key physical properties of ...
    • On the added value of quad-pol data in a multi-temporal crop classification framework based on RADARSAT-2 imagery 

      Larrañaga, Arantzazu; Álvarez Mozos, Jesús (MDPI, 2016)   Artículo / Artikulua
      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 ...
    • Effects of spatial sampling interval on roughness parameters and microwave backscatter over agricultural soil surfaces 

      Barber, Matías Ernesto; Grings, Francisco Matías; Álvarez Mozos, Jesús; Piscitelli, Marcela; Perna, Pablo Alejandro; Karszenbaum, Haydee (MDPI, 2016)   Artículo / Artikulua
      The spatial sampling interval, as related to the ability to digitize a soil profile with a certain number of features per unit length, depends on the profiling technique itself. From a variety of profiling techniques, ...
    • The added value of stratified topographic correction of multispectral images 

      Sola Torralba, Ion; González Audícana, María; Álvarez Mozos, Jesús (MDPI, 2016)   Artículo / Artikulua
      Satellite images in mountainous areas are strongly affected by topography. Different studies demonstrated that the results of semi-empirical topographic correction algorithms improved when a stratification of land covers ...
    • Project management in development cooperation. Non-governmental organizations 

      Montes Guerra, Maricela I.; Romero de Miguel, Aida; Pérez Ezcurdia, Amaya; Gimena Ramos, Faustino; Díez Silva, H. Mauricio (Universidad Nacional de Colombia, 2015)   Artículo / Artikulua
      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, ...
    • Validation of a simplified model to generate multispectral synthetic images 

      Sola Torralba, Ion; González Audícana, María; Álvarez Mozos, Jesús (MDPI, 2015)   Artículo / Artikulua
      A new procedure to assess the quality of topographic correction (TOC) algorithms applied to remote sensing imagery was previously proposed by the authors. This procedure was based on a model that simulated synthetic scenes, ...
    • Combined spatial and temporal effects of environmental controls on long-term monthly NDVI in the Southern Africa savanna 

      Campo Bescós, Miguel Ángel; Muñoz Carpena, Rafael; Southworth, Jane; Zhu, Likai; Waylen, Peter; Bunting, Erin (MDPI, 2013)   Artículo / Artikulua
      Deconstructing the drivers of large-scale vegetation change is critical to predicting and managing projected climate and land use changes that will affect regional vegetation cover in degraded or threated ecosystems. We ...
    • Effective roughness modelling as a tool for soil moisture retrieval from C-and L-band SAR 

      Lievens, Hans; Verhoest, Niko E. C.; Keyser, E. de; Vernieuwe, Hilde; Matgen, P.; Álvarez Mozos, Jesús; Baets, Bernard de (Copernicus Publications, 2011)   Artículo / Artikulua
      Soil moisture retrieval from Synthetic Aperture Radar (SAR) using state-of-the-art backscatter models is not fully operational at present, mainly due to difficulties involved in the parameterisation of soil surface ...
    • Clasificación de cultivos en la zona media de Navarra mediante imágenes radar polarimétricas 

      Larrañaga, Arantzazu; Albizua, Lourdes; Álvarez Mozos, Jesús (Universidad Politécnica de Valencia, 2010)   Artículo / Artikulua
      Navarra lleva años empleando la técnica de clasificación supervisada de imágenes multiespectrales de satélite para la realización de la estadística agraria. La cubierta nubosa, muy habitual en esta zona, limita e incluso ...
    • Evaluation of mechanical tomato harvesting using wireless sensors 

      Arazuri Garín, Silvia; Arana Navarro, Ignacio; Jarén Ceballos, Carmen (MDPI, 2010)   Artículo / Artikulua
      The harvesting of processing tomatoes is fully mechanised and it is well known that during harvest, fruits are subjected to mechanical stress causing physical injuries, including skin punctures, pulp and cell rupture. Some ...
    • Evaluation of risk factors in fatal accidents in agriculture 

      Arana Navarro, Ignacio; Mangado, Jesús; Arnal Atarés, Pedro; Arazuri Garín, Silvia; Alfaro López, José Ramón; Jarén Ceballos, Carmen (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2010)   Artículo / Artikulua
      En el ámbito agrario se producen anualmente muchos accidentes mortales, no siendo todos ellos registrados oficialmente como accidentes laborales. El objetivo de esta investigación es comparar los datos reales y oficiales ...
    • Error in radar-derived soil moisture due to roughness parameterization: an analysis based on synthetical surface profiles 

      Lievens, Hans; Vernieuwe, Hilde; Álvarez Mozos, Jesús; Baets, Bernard de; Verhoest, Niko E. C. (MDPI, 2009)   Artículo / Artikulua
      In the past decades, many studies on soil moisture retrieval from SAR demonstrated a poor correlation between the top layer soil moisture content and observed backscatter coefficients, which mainly has been attributed ...
    • 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; Moran, M. Susan; Mattia, Francesco (MDPI, 2008)   Artículo / Artikulua
      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 ...
    • Bean moisture diffusivity and drying kinetics: a comparison of the liquid diffusion model when taking into account and neglecting grain shrinkage 

      Resende, O.; Correa, P. C.; Jarén Ceballos, Carmen; Moure Gil, José (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2007)   Artículo / Artikulua
      El objetivo de este trabajo fue ajustar el modelo de difusión líquida para predecir las pérdidas de volumen de grano en el secado de judía (Phaseolus vulgaris L.). Se recolectaron granos de judía con una humedad del 0,92 ...
    • Accuracy of methods for field assessment of rill and ephemeral gully erosion 

      Casalí Sarasíbar, Javier; Loizu Maeztu, Javier; Campo Bescós, Miguel Ángel; Santisteban Comino, Luisa María de; Álvarez Mozos, Jesús (Elsevier, 2006)   Artículo / Artikulua
      To properly assess soil erosion in agricultural areas, it is necessary to determine precisely the volume of ephemeral gullies and rills in the field by using direct measurement procedures. However, little information is ...
    • Ayer y hoy de la estela discoidea en Navarra 

      Ukar Muruzábal, Jesús (Gobierno de Navarra. Institución Príncipe de Viana, 1994)   Artículo / Artikulua
      El presente trabajo analiza y cataloga las estelas discoideales en Navarra.

      Ukar Muruzábal, Jesús (Gobierno de Navarra. Institución Príncipe de Viana, 1993)   Artículo / Artikulua
      Este trabajo pretende diferenciar formalmente una serie de modelos de estelas discoideas, en base a la estructura del disco, del pie, del canto y de las relaciones entre ellos.