Summary:
This dissertation studies the research and the interpretation of the geomorphological, sedimentological and hydrodynamic regime of the SW Peloponnese beaches of the terrestrial and submarine area and the assessment of the shoreline retreat of the coastal zones in response to the sea level rise of 2100, according to the latest SSP scenarios of climate change, considering also their hydrodynamics and morphodynamics. The study area has a lenght of 49,2 Km and includes 9 beaches. At every beach, terrestrial and submarine samples, as well as morphological and wave data were collected, which in laboratory were analyzed. The analysis showed that beach retreat for SLR = 0,28 m varies from 7 m up to 25 m, for SLR = 0,60 m from 12 m to 53 m and for the worst scenario SLR = 1,01 m from 21 m to 91 m. These values correspond to a minimum reduction of the maximum beach width of 9%, 20% and 33,5%, respectively. Thus, 5 from 9 beaches mau experience a total loss for the worst scenario of SLR = 1,01 m (Voidokoilia, Divari, Gialova, Foiniki (Lampes), Tsapi beaches), whilst Voidokoilia and Divari beaches may be totally eroded even in the case of the moderate scenario.
Keywords:
Ionian Sea, retreat, climate change, sea level rise, hydrodynamic and sedimentological regime
