Soil variability and quantification based on Sentinel-2 and Landsat-8 bare soil images: A comparison - Silvero, Nélida Elizabet Quiñonez; Demattê, José Alexandre Melo; Amorim, Merilyn Taynara Accorsi; Santos, Natasha Valadares dos; Rizzo, Rodnei; Safanelli, José Lucas; Poppiel, Raul Roberto; Mendes, Wanderson de Sousa; Bonfatti, Benito Roberto (Remote Sensing of Environment, 2021)