surveillance (14) Monitoring (14) satellite (12) information (10) abords (agglomération) (9) Figures of speech (9) réfugié (8) puits (7) papier (7) couverture spatiale (SIG) (7) Area (7) Area (7) Paper (7) Example (7) Earth (Planet) (7) Land cover (7) analyse (6) extraction (6) campement (6) Dwellings (6) Dwellings (6) Analysis (6) temps (durée) (5) environnement (5) Methods (5) Image analysis (5) Refugee camps (5) Time (5) Repatriation (5) Nature and nurture (5)