Combined use of Sentinel-2 and Landsat-8 to monitor water surface area and evaluated drought risk severity using Google Earth Engine. - Brahim Benzougagh; Sarita Gajbhiye Meshram; Bouchta El Fellah; Mohamed Mastere; Abdallah Dridri; Driss Sadkaoui; Khalid Mimich; Khaled Mohamed Khedher (Earth Sci. Informatics, 2022)