Contribution of GPS and GIS in the Study of the Dynamics of the Coastline and the Mouth of the Moulouya (Northeast Morocco)Abdelkader Sbai, Omar Mouadili, Khadija Benrbia, Mohammed Hlal and Ahmed AmgharE3S Web Conf., 607 (2025) 03006DOI: https://doi.org/10.1051/e3sconf/202560703006