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1 2011

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Variability and correlations of shoreline and dunes on the southern Baltic coast (CRS Lubiatowo, Poland)

Pruszak Z., Ostrowski R., Schönhofer J.

Oceanologia

2011

No. 53 (1)

97-120

The paper analyses the results of field investigations into the evolution of the shoreline and dune toe positions in a multi-bar, dissipative coastal zone. The correlations between the changes in the shoreline and the dune toe range from -0.4 to 0.8. It is most often the case that the dune toe is stable while the shoreline moves. Consistent cross-shore migration is slightly more likely to happen than the divergent or convergent movements of both lines. Shoreline retreat and advance attain respective rates of 0.7 m day-1 and 0.4 m day-1. Deep-water wave energy of about 50 kJ m-1 constitutes the boundary between shore accumulation and erosion.