puits (1) temps (durée) (1) plage (1) sable (1) représentation (1) modèle (1) érosion (1) ingéniérie (1) ordre (1) Observations (1) Observations (1) Winter (1) Waves (1) Time (1) Surfaces (1) Shorelines (1) Series (1) Sand (1) Representative government and representation (1) Order (1) Modeling (1) Migration, Internal (1) Kelps (1) Forecasting (1) Figures of speech (1) Example (1) Erosion (1) Equilibrium (1) Engineering (1) Change (1)