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Morphodynamics of the south Baltic seabed in the remote foreshore in the light of field measurements
  • Magdalena Stella
Magdalena Stella
Institute of Hydro-Engineering, Polish Academy of Sciences (IBW PAN)

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The paper presents results of bathymetric surveys in the remote foreshore of the south Baltic (c.a. 1-2 Nm off the shoreline at depths of around 16-20 m). Measurements were collected twice in the vicinity of the Coastal Research Station (CRS) in Lubiatowo (Poland), first on November 2017 and then on December 2018. The study site is an area with hydrodynamics and lithodynamics typical of the south Baltic coast built of fine sands. The analysis is based on a differential map calculated from the bathymetric data obtained. The results show changes in the sea bottom ranging from a few to 70 centimeters. Sonar measurements were also made in 2017. The images revealed bottom ripples with an approximate height of 5–20 cm and length of 100–200 cm. The uniqueness of this research lies in the fact that at such depths there should theoretically be no significant changes at the sea bottom.
Sep 2021Published in Marine Geology volume 439 on pages 106546. 10.1016/j.margeo.2021.106546