Abstract
The transboundary Evros River discharges into the Alexandroupolis Gulf, located in the inner shelf of the northeastern Aegean Sea, where it has formed an extended delta. Grain-size and mineralogical analyses of five sediment cores, collected in the subaqueous delta, provide the following information about recent sedimentation processes in the northeastern part of the Aegean shelf: (a) river mouth deposits, consisting of coarse-grained sediments, are mainly deposited in front of the active mouth, whilst some sandy material is expected to be transported alongshore by nearshore currents; (b) delta front deposits are characterised by fine-grained sediments that include evidence of human activities which have taken place, in a more intense way, since the 1950s; and (c) prodelta deposits are represented by almost uniform riverine mud that cover the pre-existed relict sands of the shelf, indicating also the limit (some 15 km to the SW) of the influence of riverine sedimentation on the seabed of the inner shelf of the Alexandroupolis Gulf.
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Acknowledgments
The authors wish to thank the Captain and the crew of “R.V. Aegaeo”, as well as Mrs M. Taxiarchi, Mr A. Papageorgiou and Mrs G. Kabouri (BioGeoChemical Laboratory of Hellenic Centre for Marine Research) for laboratory assistance.
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Kanellopoulos, T.D., Kapsimalis, V., Poulos, S.E. et al. The influence of the Evros River on the recent sedimentation of the inner shelf of the NE Aegean Sea. Environ Geol 53, 1455–1464 (2008). https://doi.org/10.1007/s00254-007-0754-2
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DOI: https://doi.org/10.1007/s00254-007-0754-2