Flood Dynamics and Floodplain Alterations Over Two Decades: A Hydrogeomorphological Study of the Larbaâ River, Northern MoroccoBadr Layan, Zakariae Amhani, Mohamed Ben Abbou and Lahcen BenaabidateE3S Web Conf., 726 (2026) 01031DOI: https://doi.org/10.1051/e3sconf/202672601031