Envíos recientes 

Artículos científicos: Envíos recientes

Mostrando ítems 41-60 de 83

    • 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 ...

    • Changes in vegetation seasonality and livestock stocking rate in La Pampa Province (Argentina) = Cambios en la estacionalidad de la vegetación y la carga animal en la provincia de La Pampa (Argentina) 

      Di Bella, Carlos Marcelo; Beget, Maria Eugenia; Campos, Alfredo Nicolas; Viglizzo, Ernesto Francisco; Jobbagy Gampel, Esteban Gabriel; Garcia, Alfredo Gabriel; Sycz, Alejandra; Cotroneo, Santiago (Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2019)
      Crop production is traversing expansion and intensification processes all over the planet and in consequence the large scale cattle production is being displaced to marginal lands with lower stocking capacity. The objective ...

    • A land cover map of Latin America and the Caribbean in the framework of the SERENA project 

      Blanco, Paula Daniela; Colditz, Rene R.; López Saldaña, Gerardo; Hardtke, Leonardo Andrés; Llamas, Ricardo M.; Mari, Nicolás Alejandro; Fischer, Maria De Los Angeles; Caride, Constanza; Aceñolaza, Pablo Gilberto; del Valle, Hector Francisco; Lillo Saavedra, Mario F.; Coronato, Fernando Raul; Opazo, Sergio A.; Morelli, Fabiano; Anaya Acevedo, Jesús Adolfo; Sione, Walter Fabian; Zamboni, Pamela; Barrena Arroyo, Victor (Elsevier, 2013-05-15)
      Land cover maps at different resolutions and mapping extents contribute to modeling and support decision making processes. Because land cover affects and is affected by climate change, it is listed among the 13 terrestrial ...

    • Carbon dioxide fluxes on a soybean field in Argentina: influence of crop growth stages 

      Posse Beaulieu, Gabriela; Richter, Klaus; Corin, Jorgelina Mariana; Lewczuk, Nuria Andrea; Achkar, Antonio; Rebella, Cesar Manuel (Bentham Open, 2010)
      CO2 fluxes were measured in a soybean field in the Province of Buenos Aires, Argentina, with an eddy covariance system consisting of a CO2/H2O infrared gas analyzer and a sonic anemometer. The measurements were carried out ...

    • Climate change in Argentina: trends, projections, impacts and adaptation 

      Barros, Vicente Ricardo; Boninsegna, Jose Armando; Camilloni, Ines Angela; Chidiak, Martina; Magrin, Graciela Odilia; Rusticucci, Matilde Monica (Wiley, 2015)
      In most of Argentina, the warming since 1901 was a little lower than the global average, although with strong trends in temperature extremes and in heat waves during the most recent decades. There was a remarkable increase ...

    • Changes in evapotranspiration and phenology as consequences of shrub removal in dry forests of central Argentina 

      Marchesini, Victoria Angela; Fernandez Alduncin, Roberto Javier; Reynolds, James F.; Sobrino, José Antonio; Di Bella, Carlos Marcelo (Wiley, 2015-10)
      More than half of the dry woodlands (forests and shrublands) of the world are in South America, mainly in Brazil and Argentina, where in the last years intense land use changes have occurred. This study evaluated how the ...

    • Total and aboveground radiation use efficiency in C3 and C4 grass species influenced by nitrogen and water availability 

      Cristiano, Piedad María; Posse Beaulieu, Gabriela; Di Bella, Carlos Marcelo (Wiley; Japanese Society of Grassland Science, 2015-09)
      Absorbed solar radiation and radiation use efficiency (RUE) can be used to estimate net primary productivity of terrestrial ecosystems. In ecosystems dominated by grasses, belowground productivity cannot be neglected in ...

    • 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 ...

    • Ajuste de modelos logísticos a la tasa de incremento de severidad de manchas foliares ocasionadas por Alternaria tenuissima en arándano = Logistic models adjustment to growth rate of severity of blueberry leaf spot caused by Alternaria tenuissima 

      Moschini, Ricardo Carlos; Bombelli, Enrique Carlos; Wright, Eduardo Roberto; López, María Virginia; Perez Canone, Huber Ignacio; Carmona, J.D.; Varsallona, Bruno; Barberis, Juan Guillermo; Fabrizio, María del Carmen; Rivera, Marta Carolina (Asociación Argentina de Horticultura, 2014)
      La severidad de manchas foliares, ocasionadas por Alternaria tenuissima en arándano, fue observada en el cultivar O’Neal en San Pedro (59º 38’ S; 33º 44’ O), Concordia (31º 19’ S; 58º 5’ O) y Gualeguaychú (33º 01’ S; ...

    • 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 ...

    • Multi-Temporal analysis of remotely sensed information using wavelets 

      Campos, Alfredo Nicolas; Di Bella, Carlos Marcelo (Scientific Research Publishing, 2012)
      Land cover changes (LCC) are an important component of Global Change. LCC can be described not only by its occur-rence, but also by the land cover replacement, causal agent and change duration or recuperation. Nowadays, ...

    • 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) ...

    • Impact of land use during winter on the balance of greenhouse gases 

      Posse Beaulieu, Gabriela; Lewczuk, Nuria Andrea; Di Bella, Carlos Marcelo; Richter, Klaus; Oricchio, Patricio; Hilbert, Jorge Antonio (Wiley, 2018)
      The increase in atmospheric greenhouse gases (GHGs) can be mitigated by capturing CO2 from the atmosphere and/or by reducing their emissions. Replacing winter intercrop fallow by cover crops (CCs) can sequester carbon and ...

    • Has climate change opened new opportunities for wheat cropping in Argentina? 

      Asseng, Senthold; Travasso, Maria Isabel; Ludwig, Fulco; Magrin, Graciela Odilia (Springer, 2013-03)
      As a result of climate change, and in particular rainfall changes, agricultural production is likely to change across the globe. Until now most research has focused on areas which will become unsustainable for agricultural ...

    • Relationship between biophysical parameters and synthetic indices derived from hyperspectral field data in a coastal marsh from Buenos Aires Province, Argentina 

      Gonzalez Trilla, Gabriela Liliana; Pratolongo, Paula Daniela; Kandus, Patricia; Beget, Maria Eugenia; Di Bella, Carlos Marcelo; Marcovecchio, Jorge Eduardo (Springer, 2016-02)
      Remote sensing tools allow the environmental evaluation of coastal wetlands at a landscape scale, but a deeper understanding is needed of the interactions between biophysical parameters and the electromagnetic signal. The ...

    • Attribution of carbon dioxide fluxes to crop types in a heterogeneous agricultural landscape of Argentina 

      Posse Beaulieu, Gabriela; Richter, Klaus; Lewczuk, Nuria Andrea; Cristiano, Piedad Maria; Gattinoni, Natalia Noemí; Rebella, Cesar Manuel; Achkar, Antonio (Springer, 2014-10)
      The increasing proportion of agricultural lands worldwide makes it necessary to intensify the research concerning the carbon exchange at agricultural sites. In order to determine the Net Ecosystem Exchange (NEE) in an ...

    • 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 ...

    • The agro-ecological suitability of Atriplex nummularia and A. halimus for biomass production in Argentine saline drylands 

      Falasca, Silvia Viviana; Pizarro, María José; Mezher, Romina Nahir (Springer, 2014-09)
      The choice of the best species to cultivate in semi-arid and arid climates is of fundamental importance, and is determined by many factors, including temperature and rainfall, soil type, water availability for irrigation ...

    • Selecting control sites for post-fire ecological studies using biological criteria and MODIS time series data 

      Landi, Marcos Alejandro; Di Bella, Carlos Marcelo; Ojeda, Silvia; Salvatierra, Paola Luciana; Argañaraz, Juan Pablo; Bellis, Laura Marisa (Association for Fire Ecology, 2017)
      Wildland fires play a key role in the functioning and structure of vegetation. The availability of sensors aboard satellites, such as Moderate Resolution Imaging Spectroradiometer (MODIS), makes possible the construction ...

    • Long-lasting floods buffer the thermal regime of the Pampas 

      Houspanossian, Javier; Kuppel, Sylvain; Nosetto, Marcelo Daniel; Di Bella, Carlos Marcelo; Oricchio, Patricio; Barrucand, Mariana Graciela; Rusticucci, Matilde Monica; Jobbagy Gampel, Esteban Gabriel (Springer, 2018-01)
      The presence of large water masses influences the thermal regime of nearby land shaping the local climate of coastal areas by the ocean or large continental lakes. Large surface water bodies have an ephemeral nature in the ...