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Assessment of multi - date sentinel - 1 polarizations and GLCM texture features capacity for onion and sunflower classification in an irrigated valley: An object level approach
Caballero, Gabriel; Platzech, Gabriel; Pezzola, Nestor Alejandro; Casella, Alejandra An; Winschel, Cristina Ines; Silva, Samanta; Ludueña, Emilia; Pasqualotto, Nieves; Delegido, Jesús (MDPI, 2020-06-13)The objective of this work is to evaluate the capacity of the C-band Synthetic Aperture Radar (SAR) time series imagery, acquired by the European satellite Sentinel-1 (S1), for the agriculture crop classification and its ... -
Quantifying Irrigated Winter Wheat LAI in Argentina Using Multiple Sentinel-1 Incidence Angles
Caballero, Gabriel; Pezzola, Nestor Alejandro; Winschel, Cristina Ines; Casella, Alejandra An; Sanchez Angonova, Paolo Andres; Orden, Luciano; Berger, Katja; Verrelst, Jochem; Delegido, Jesús (MDPI, 2022-11)Synthetic aperture radar (SAR) data provides an appealing opportunity for all-weather day or night Earth surface monitoring. The European constellation Sentinel-1 (S1) consisting of S1-A and S1-B satellites offers a suitable ... -
Retrieval of Evapotranspiration from Sentinel-2: Comparison of Vegetation Indices, Semi-Empirical Models and SNAP Biophysical Processor Approach
Pasqualotto, Nieves; D’Urso, Guido; Falanga Bolognesi, Salvatore; Belfiore, Oscar Rosario; Wittenberghe, Shari Van; Delegido, Jesús; Pezzola, Nestor Alejandro; Winschel, Cristina Ines; Moreno, José (MDPI, 2019-10)Remote sensing evapotranspiration estimation over agricultural areas is increasingly used for irrigation management during the crop growing cycle. Different methodologies based on remote sensing have emerged for the leaf ... -
Seasonal mapping of irrigated winter wheat traits in Argentina with a hybrid retrieval workflow using sentinel-2 imagery
Caballero, Gabriel; Pezzola, Nestor Alejandro; Winschel, Cristina Ines; Casella, Alejandra An; Sanchez Angonova, Paolo Andres; Rivera Caicedo, Juan Pablo; Berger, Katja; Verrelst, Jochem; Delegido, Jesús (MDPI, 2022-09-10)Earth observation offers an unprecedented opportunity to monitor intensively cultivated areas providing key support to assess fertilizer needs and crop water uptake. Routinely, vegetation traits mapping can help farmers ... -
Synergy of Sentinel-1 and Sentinel-2 Time Series for Cloud-Free Vegetation Water Content Mapping with Multi-Output Gaussian Processes
Caballero, Gabriel; Pezzola, Nestor Alejandro; Winschel, Cristina Ines; Sanchez Angonova, Paolo Andres; Casella, Alejandra An; Orden, Luciano; Salinero-Delgado, Matías; Reyes-Muñoz, Pablo; Berger, Katja; Delegido, Jesús; Verrelst, Jochem (MDPI, 2023-03)Optical Earth Observation is often limited by weather conditions such as cloudiness. Radar sensors have the potential to overcome these limitations, however, due to the complex radar-surface interaction, the retrieving of ...