Impact of cliff erosion on marine sediment composition - indication of local coastline evolution (Vrgada Island, Croatia) Kristina Pikelj University of Zagreb, Croatia Nina Furčić University of Zagreb, Croatia This is a section of Eighth International Symposium “Monitoring of Mediterranean Coastal Areas. Problems and Measurement Techniques”(DOI: 10.36253/978-88-5518-147-1) by Donatella Carboni, Laura Bonora, Matteo De Vincenzi Firenze University Press Firenze 2020 https://doi.org/10.36253/978-88-5518-147-1.46

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Erosive coastal cliffs formed in soft-rocks sediments along the generally carbonaceous Eastern Adriatic are a rare feature. The one from the Vrgada Island gave rise to the idea that local seabed surface sediment may reflect the composition of the cliff sediment. First results of sedimentological analyses showed that sediment samples collected on both sides of the cliff contain material eroded mostly from the eastern side of the cliff. Subsequent longshore drift caused by dominant waves likely sort fallen material, transporting its finer fractions to the northern side and further into the sea.

 Coastal cliff Surface sediment Coastal erosion Vrgada Island

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References Pikelj, K., Juračić, M. - Eastern Adriatic Coast (EAC): geomorphology and coastal vulnerability of a Karstic Coast. J. Coastal Res. (2013) 29 (4), 944–957. 10.2112/JCOASTRES-D-12-00136.1 Pikelj, K. - Composition and origin of seabed sediments of the eastern part of the Adriatic Sea (in Croatian). (2010) Unpublished Ph.D. Thesis, University of Zagreb, p. 239. Pikelj, K., Jakšić, L., Aščić, Š., Juračić, M. - Characterization of the fine-grained fraction in the surface sediment of the eastern Adriatic channel areas. Acta Adriat. (2016) 57, 195–208. Banak, A., Pikelj, K., Lužar-Oberiter B., Kordić, B. - Sedimentary record of Pleistocene aeolian - alluvial deposits on Vrgada island (eastern Adriatic coast, Croatia). Submitted (2020) Mamužić, P., Nedela-Devide, D. - Basic Geological Map of SFRY: Sheet Biograd, scale 1:100 000 (K33-7). Institut za geološka istraživanja (1963); Savezni geološki zavod, Beograd, 1 sheet. Mamužić, P. - Basic Geological Map of SFRY: Sheet Šibenik, scale 1:100 000 (K33-8). Institut za geološka istraživanja (1962-1965); Savezni geološki zavod, Beograd, 1 sheet. Folk, R. L. - The distinction between grain size and mineral composition in sedimentary rock nomenclature. J. Geol. (1954) 62, 344-356.