International Journal of Geo-Information Article Effectiveness of Sentinel-2 in Multi-Temporal Post-Fire Monitoring When Compared with UAV Imagery Luís Pádua 1,2,* , Nathalie Guimarães 1 , Telmo Adão 1,2 , António Sousa 1,2 , Emanuel Peres 1,2 and Joaquim J. Sousa 1,2 1 ...