Abstract

The purpose of this study is to examine the influence of altered distributions of wind direction on coast dynamics, wherein, however, the mean wind is kept the same. The deterministic model KEM was developed to be able to relate sediment quantities transported over an equilibrium profile by interaction of waves, longshore currents, and edge waves to the meteorological situations of the past hundred years. The sediment transport capacities were calculated over an averaged equilibrium profile for the region between the Warnow mouth and Dornbusch (island of Hiddensee, German Baltic coast). Results of the KEM model run for climatological different time series of wind from 1885 to 1939 and from 1940 to 1984 were compared to sediment balances obtained from surveys between the years 1885 and 1937 and from 1937 to 1983, respectively. Particularly in the Weststrand region (Fischland) model results match the actual changes of coast line. KEM represents a modelling tool which can be used to predict sediment transport for given wind scenarios in an area of interest.

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