Coastline retreat is more and more abated in The Netherlands with shoreface nourishments. A fast growing bathymetric database enables one to mutually compare the effects of various nourishments. The latter turn out to differ despite similarities in their design and their relative proximity, enabling one to try to (ultimately) pinpoint the cause of the differences. The nourishments are shown to influence the coastal system through interacting with the breaker bar system and are transformed in months into an extra bar, in most cases, that is incorporated in a few years into the natural bar cycle.
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