gare (1) plage (1) satellite (1) télédétection (1) surveillance (1) modélisation (1) mesure (méthode analytique) (1) in situ (1) information (1) extraction (1) investigation (1) comparaison (1) côte (1) photographie aérienne (1) méthode (1) capteur (1) Monitoring (1) Comparison (1) Area (1) Resolutions (1) Methods (1) Resolutions (1) France, Northern (1) Area (1) Work (1) Shorelines (1) Satellites (1) Sand dunes (1) Remote sensing (1) North Sea (1)