Abstract
The evolution of the natural and pristine Mediterranean coastline Port aux Princes-Sidi Daoued (Gulf of Tunis, NE-Tunisia) is studied during the period of 1887–2010 on the basis of an ancient minute of bathymetry (1887) and aerial photographs treated by numerical photogrammetric methods. Morphological changes of the coastline shows a general retreat despite the absence of the various anthropogenic actions. Adding to the drift currents and the currents of high energy that are generated by the N-W dominant waves along steeply sub-marine funds, the erosion is mainly due to the sea level rise which increased since the beginning of the 2000s. The Port aux Princes-Sidi Daoued coastline works as a single littoral cell limited by Jbel Korbous to the SW and the fishing harbor of Sidi Daoued to the N-E.
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The authors would like to thank the KNMI/ERA-40 Wave Atlas for furnishing data about dominant waves (significant height) in NE-Tunisia.
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Saïdi, H., Zargouni, F. Sea-level rise impact on the evolution of a microtidal Mediterranean coastline without human-made structures—a case of the Port aux Princes-Sidi Daoued coastline, Gulf of Tunis, NE-Tunisia. Acta Oceanol. Sin. 38, 72–77 (2019). https://doi.org/10.1007/s13131-018-1331-0
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DOI: https://doi.org/10.1007/s13131-018-1331-0