The Role of Gis in Monitoring the Impact of Climate Fluctuations on The Decline of Surface Water Stored in The Mohamed V Dam on the Moulouya River (Eastern Region)Ahmed Amghar, Abdelkader Sbai and Omar MouadiliE3S Web Conf., 607 (2025) 04003DOI: https://doi.org/10.1051/e3sconf/202560704003