Anthropogenic gravitational mass movements and the fluvial geomorphological changes: The Vale (2019) and Samarco (2015) tailing dam disasters, BrazilJefferson Picanço, Maria José Mesquita and Renato Eugenio de LimaE3S Web of Conf., 415 (2023) 05018DOI: https://doi.org/10.1051/e3sconf/202341505018