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Temporal analysis of coastal erosion in Turkey: a case study Karasu coastal region

Author:
G?rmü?, Kurtulu? Sedar   Kuto?lu, ?enol Hakan   ?eker, Dursun Zafer   ?z?l?er, ?smail Hakk?   Oru?, Murat   Aksoy, Berna  


Journal:
Journal of Coastal Conservation


Issue Date:
2014


Abstract(summary):

Coastal erosion may be caused by natural causes as well as human factors. Karasu town of the city of Sakarya in Turkey which is a touristic region on the Black Sea coast has been experienced a drastic coastal erosion. In recent years, this erosion reached the threatening dimensions for the structures in the settlement. According to the temporal analyses of Landsat satellite images, the maximum erosion on the coastline was detected 100 m between 1987-2013. The results of the study show that the harbour construct on the Karasu coast has the major impact on this event. The secondary factor is that the amount of the sediment carried by the Sakarya River was decreased in time due to different reasons. To prevent the coastal erosion, a series of offshore breakwaters were planned after the failed application of groins on the coastline. In this study, temporal changes of the coastline are investigated by the Landsat satellite data and land surveys, possible reasons of the erosion are discussed and the solutions are proposed regarding the coastal structures.


Page:
399-414


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