Flood Modelling Using Integration of Multi-data Analysis and HEC-RAS Model in Mata Allo River, SulawesiUca, Mustari Lamada, Amal Arfan and Nurul Afdal HarisE3S Web Conf., 400 (2023) 01004DOI: https://doi.org/10.1051/e3sconf/202340001004