The one-line model of these structures's evolution is derived from mathematical theories about the conservation of their profile developed by Pelnard-Considère. A simple method for creating a profile of these structures uses stakes connected to a rope of known length, which is K. O. Emery's board method. The smallest separation between horns is possessed by the reflective 
The one-line model of these structures's evolution is derived from mathematical theories about the conservation of their profile developed by Pelnard-Considère. A simple method for creating a profile of these structures uses stakes connected to a rope of known length, which is K. O. Emery's board method. The smallest separation between horns is possessed by the reflective type of rhythmic cusps on these structures. Their namesake "face" extends to the berm crest. These structures exhibit an alternating pattern of ridges and runnels. Their (*) nourishment, or reclamation, is often accomplished with dredging. Particles in these structures undergo a characteristic zig-zag pattern of movement due to longshore drift. For 10 points, name these transitional coastal structures that often consist of sand.
The one-line model of these structures's evolution is derived from mathematical theories about the conservation of their profile developed by Pelnard-Considère.
beaches [prompt on: "coasts", "coastal zones", "coastal structures", "shorelines"]