This paper focuses on the stability of the shoreline on the east side of the Rosetta promontory on the Nile Delta coast because this area was extremely eroded after construction of the eastern revetment on the east side of the promontory in 1991. Numerical models developed by the Danish Hydraulic Institute are used to calculate wave transformation from deep water to the nearshore region, compute littoral drift, and predict shoreline evolution along the east side of the Rosetta promontory. The results generated by the shoreline evolution model show that, in the case of applying no structures, the maximum retreat of the shoreline along the east part of the promontory is estimated to be 1405 m after 20 years. The minimum shoreline retreat along the east side of the Rosetta promontory was achieved with a system of five groins spaced at 800 m.
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Vol. 2007 • No. 232