The dynamical processes in the Wadden Sea area are extremely strong, manifold, as well as periodically and aperiodically changing. Consequently sediment is moved very often and the geomorphological pattern of forms is changing continuously. (From
In the past, the coast of the Wadden Sea, the tidal flats and the islands situated in front of them underwent a continual change in configuration, and in large parts of the coastal area this process is still going on and continue in the future.
After the turbulent period of formation and extension of the Wadden Sea an extension which on some places has been promoted by the peat-digging. Gradually the rate of changes of the Wadden area slowed down because the rate of sedimentation decreased