ligne de partage des eaux (2) végétation (2) recherche (2) irrigation (2) eaux souterraines (2) vecteur (2) classification (2) index (2) Area (2) Observations (2) Observations (2) Remote-sensing images (2) Area (2) Groundwater (2) Summer (2) Seasons (2) Research (2) Plants (2) Irrigation (2) Classification (2) Classification (2) Classification (2) Research (2) Irrigation (2) répertoire (2) ressource en eau (1) formation (1) satellite (1) fleuve (1) télédétection (1)