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Mostrando ítems 1-20 de 21

    • A comparison between support vector machine and water Cloud model for estimating crop leaf area index 

      Hosseini, Mehdi; McNairn, Heather; Mitchell, Scott; Robertson, Laura Dingle; Davidson, Andrew; Ahmadian, Nima; Bhattacharya, Avik; Borg, Erik; Conrad, Christopher; Dabrowska Zielinska, Katarzyna; De Abelleyra, Diego; Gurdak, Radoslaw; Kumar, Vineet; Kussul, Nataliia; Mandal, Dipankar; Rao, Y.S.; Saliendra, Nicanor; Shelestov, Andrii; Spengler, Daniel; Veron, Santiago Ramón; Homayouni, Saeid; Becker Reshef, Inbal (MDPI, 2021-04-01)
      The water cloud model (WCM) can be inverted to estimate leaf area index (LAI) using the intensity of backscatter from synthetic aperture radar (SAR) sensors. Published studies have demonstrated that the WCM can accurately ...

    • Agrohydrological analysis of groundwater recharge and land use changes in the Pampas of Argentina 

      Kroes, Joop; van Dam, Jos; Supit, Iwan; De Abelleyra, Diego; Veron, Santiago Ramón; de Wit, Allard; Boogaard, Hendrik; Angelini, Marcos Esteban; Damiano, Francisco; Groenendijk, Piet; Wesseling, Jan; Veldhuizen, Ab (Elsevier, 2019-03)
      This paper studies the changes of groundwater, climate and land use in the Pampas of Argentina. These changes offer opportunities and threats. Lowering groundwater without irrigation causes drought and successive crop and ...

    • An insight into the patterns and controls of the structure of South American Chaco woodlands 

      Ferraina, Antonella; Baldi, German; De Abelleyra, Diego; Grosfeld, Javier; Veron, Santiago Ramón (Wiley, 2022)
      Logging, grazing, wood extraction, and anthropogenic fires are pervasive throughout the subtropical dry vegetation of South America leading to changes in woodlands structure and ultimately its degradation. The Chac ohaco ...

    • Apropiación humana de la producción primaria en el Chaco Seco 

      Rueda, Carla V.; Baldi, Germán; Veron, Santiago Ramón; Jobbagy Gampel, Esteban Gabriel (Asociación Argentina de Ecología, 2013-04)
      El Chaco Seco experimenta altas tasas de deforestación y transformación productiva. Estimamos la magnitud de la apropiación humana de la productividad primaria neta (PPN) aérea de esta región por vías directas (producción ...

    • Barriers and solutions to conducting large international, interdisciplinary research projects 

      Pischke, Erin C.; Knowlton, Jessie L.; Phifer, Colin C.; Gutierrez Lopez, José; Propato, Tamara Sofía; Eastmond, Amarella; Martins de Souza, Tatiana; Kuhlberg, Mark; Picasso Risso, Valentin; Veron, Santiago Ramón; Garcia, Carlos; Chiappe, Marta; Halvorsen, Kathleen E. (Springer, 2017-12)
      Global environmental problems such as climate change are not bounded by national borders or scientific disciplines, and therefore require international, interdisciplinary teamwork to develop understandings of their causes ...

    • Building a Data Set over 12 Globally Distributed Sites to Support the Development of Agriculture Monitoring Applications with Sentinel-2 

      Bontemps, Sophie; Arias, Marcela; Cara, Cosmin; Dedieu, Gérard; Guzzonato, Eric; Hagolle, Olivier; Inglada, Jordi; Matton, Nicolas; Morin, David; Popescu, Ramona; Rabaute, Thierry; Savinaud, Mickael; Sepulcre, Guadalupe; Valero, Silvia; Ahmad, Ijaz; Bégué, Agnès; Wu, Bingfang; De Abelleyra, Diego; Diarra, Alhousseine; Dupuy, Stéphane; French, Andrew; Akhtar, Ibrar ul Hassan; Kussul, Nataliia; Lebourgeois, Valentine; Le Page, Michel; Newby, Terrence; Savin, Igor; Veron, Santiago Ramón; Koetz, Benjamin; Defourny, Pierre (MDPI, 2015-12)
      Developing better agricultural monitoring capabilities based on Earth Observation data is critical for strengthening food production information and market transparency. The Sentinel-2 mission has the optimal capacity for ...

    • Characterization of crop sequences in Argentina spatial distribution and determinants 

      De Abelleyra, Diego; Banchero, Santiago; Veron, Santiago Ramón (Elsevier, 2024-07-17)
      CONTEXT: New availability of annual crop type maps in Argentina allows the characterization of crop sequences at field level and the quantification of the occurrence of processes like crop monoculture and rotation. OBJECTIVE: ...

    • Crop rotations in the Rolling Pampas: characterization, spatial pattern and its potential controls 

      De Abelleyra, Diego; Veron, Santiago Ramón (Elsevier, 2020-04-30)
      One of the most important decisions made by farmers every year involves land allocation to different crops. Accurate information on crop sequences over large areas is a key prerequisite to address social concerns as soybean ...

    • Desertification and ecosystem services supply : the case of the Arid Chaco of South America 

      Veron, Santiago Ramón; Blanco, Lisandro Javier; Texeira González, Marcos Alexis; Irisarri, Jorge Gonzalo Nicolás; Paruelo, José María (Elsevier, 2018-12)
      New integrated perspectives are increasingly needed to bridge the gap between biophysical and ecosystem services' based assessments of desertification. For a vast area of the dry Chaco region we sought to: (1) assess the ...

    • Differential sensitivities of electricity consumption to global warming across regions of Argentina 

      Propato, Tamara Sofia; De Abelleyra, Diego; Semmartin, María Gisela; Veron, Santiago Ramón (Springer, 2021-05-27)
      The description of the relationship between temperature (T) and electricity consumption (EC) is key to improving our understanding of a potential climate change amplification feedback and, thus, energy planning. We sought ...

    • Discrimating the biophysical signal from human - induced effects on long - tern primary production dynamics. The case of Patagonia. 

      Irisarri, Jorge Gonzalo Nicolás; Texeira, Marcos; Oesterheld, Martín; Veron, Santiago Ramón; Della Nave, Facundo; Paruelo, José María (Wiley, 2021-09-01)
      The temporal trend of aboveground net primary production (ANPP) is frequently used to estimate the human effect on ecosystems. In water-limited ecosystems, like most grazing areas in the world, human effects act upon ANPP ...

    • First Large Extent and High Resolution Cropland and Crop Type Map of Argentina 

      De Abelleyra, Diego; Veron, Santiago Ramón; Banchero, Santiago; Mosciaro, Maria Jesus; Propato, Tamara Sofia; Ferraina, Antonella; Gómez Taffarel, Maria Cielo; Dacunto, Luciana; Franzoni, Agustin; Volante, Jose Norberto (International Society of Photogrammetry and Remote Sensing, 2020-03-22)
      The availability of spatially explicit information about agricultural crops for large regions in Argentina is scarce. In particular, due to temporal dynamics of agricultural production (i.e. changes in planted crops from ...

    • Forest strips increase connectivity and modify forests functioning in a deforestation hotspot 

      Camba Sans, Gonzalo Hernán; Veron, Santiago Ramón; Paruelo, José María (Elsevier, 2021-04-28)
      Land use changes are occurring with unprecedented magnitude and intensity, imposing global impacts on ecosystem services (ES) and biodiversity. While the impacts of land use changes are increasingly recognized, understanding ...

    • Functional syndromes as indicators of ecosystem change in temperate grasslands 

      Texeira González, Marcos Alexis; Veron, Santiago Ramón; Irisarri, Jorge Gonzalo Nicolás; Oyarzabal, Mariano; Staiano, Luciana; Baeza, Santiago; Paruelo, José María (Elsevier, 2018-09-24)
      The lack of an organizing conceptual framework to address ecosystem changes reduces our capacity to distinguish biophysical from direct human impacts on grassland dynamics. This is particularly important for subhumid ...

    • Impacts of precipitation and temperature on crop yields in the Pampas 

      Veron, Santiago Ramón; De Abelleyra, Diego; Lobell, David B. (2015-05)
      Understanding regional impacts of recent climate trends can help anticipate how further climate change will affect agricultural productivity. We here used panel models to estimate the contribution of growing season ...

    • Recent Land Use and Land Cover Change Dynamics in the Gran Chaco Americano 

      Banchero, Santiago; De Abelleyra, Diego; Veron, Santiago Ramón; Mosciaro, Maria Jesus; Arévalos, Fabiana; Volante, Jose Norberto (International Society of Photogrammetry and Remote Sensing, 2020-03-22)
      Land transformation is one of the most significant human changes on the Earth’s surface processes. Therefore, land use land cover time series are a key input for environmental monitoring, natural resources management, ...

    • Remote sensing and cropping practices: a review 

      Bégue, Agnes; Arvor, Damian; Bellon, Beatriz; Betbeder, Julie; De Abelleyra, Diego; Ferraz, Rodrigo; Lebourgeois, Valentine; Lelong, Camille; Simoes, Margareth; Veron, Santiago Ramón (2018)
      For agronomic, environmental, and economic reasons, the need for spatialized information about agricultural practices is expected to rapidly increase. In this context, we reviewed the literature on remote sensing for mapping ...

    • Spatially variable hidrologic impact and biomass production tradeoffs associated with Eucaliptus ( E. Grandis) cultivation for biofuel production in Entre Ríos, Argentina 

      Heidari, Azad; Watkins Jr, David; Mayer, Alex; Propato, Tamara Sofia; Veron, Santiago Ramón; De Abelleyra, Diego (Wiley, 2021-01-11)
      Climate change and energy security promote using renewable sources of energy such as biofuels. High woody biomass production achieved from short-rotation intensive plantations is a strategy that is increasing in many parts ...

    • La teledetección como herramienta para la prevención, seguimiento y evaluación de incendios e inundaciones 

      Di Bella, Carlos Marcelo; Posse Beaulieu, Gabriela; Beget, Maria Eugenia; Fischer, Maria De Los Angeles; Mari, Nicolás Alejandro; Veron, Santiago Ramón (Asociación Española de Ecología Terrestre, 2008-09-11)
      Los incendios y las inundaciones son dos de los disturbios que más frecuentemente afectan a la población humana y a los recursos naturales. La teledetección, a través de sensores remotos activos y pasivos, constituye una ...

    • Towards a set of agrosystem-specific cropland mapping methods to address the global cropland diversity 

      Waldner, François; De Abelleyra, Diego; Veron, Santiago Ramón; Zhang, Miao; Wu, Bingfang; Plotnikov, Dmitry; Bartalev, Sergey; Lavreniuk, Mykola; Skakun, Sergii; Kussul, Nataliia; Le Maire, Guerric; Dupuy, Stéphane; Jarvis, Ian; Defourny, Pierre (Informa UK Limited, 2016)
      Accurate cropland information is of paramount importance for crop monitoring. This study compares five existing cropland mapping methodologies over five contrasting Joint Experiment for Crop Assessment and Monitoring (JECAM) ...