Small-scale surface mining of gold placers: Detection, mapping, and temporal analysis through the use of free satellite imagery. - Elsy Ibrahim; Luisa Lema; Pierre Barnabé; Pierre Lacroix; Eric Pirard (Int. J. Appl. Earth Obs. Geoinformation, 2020)

Cloud and Cloud-Shadow Detection for Applications in Mapping Small-Scale Mining in Colombia Using Sentinel-2 Imagery. - Elsy Ibrahim; Jingyi Jiang; Luisa Lema; Pierre Barnabé; Gregory Giuliani; Pierre Lacroix; Eric Pirard (Remote. Sens., 2021)