Characterization of climatic drought in the Souss-Massa watershed (Morocco) using the Standardized Precipitation Index (SPI)Maryame El-Yazidi, Safae Dafouf, Outmane El-Yazidi and Mohammed BenabdelhadiBIO Web Conf., 109 (2024) 01032DOI: https://doi.org/10.1051/bioconf/202410901032