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Several geochemical analyses (bulk parameters, particle size, loss on ignition, major, minor and trace elements) were performed on 51 recent sediment samples collected in May 2022 from Rosulet, Rosu and Puiu lakes which are located in the fluvio-marine delta plain of the Danube Delta, Romania. The aim of this study was to decipher the potential origin of anthropogenic and/or natural sources, weathering, sedimentary processes and the local geochemical fingerprint on the distribution of specific chemical elements in...

The quality and quantity of delta lakes- sediment depend on fluvial input and in-situ bio-geo-chemical processes. The present study investigates the quality of lacustrine sediments collected from two lakes - Tataru and Merhei, situated in different hydrodynamic environments within the Danube Delta, Romania, but both connected to fluvial input of water and sediment of the Danube. The following physical and chemical analyses have been carried out on several lake-bottom sediment samples: the main lithological compone...

The coastal area is the field of continuous interaction of marine hydrodynamic factors with those that act on the land. Since the prehistory, human communities have settled in this area, having access to both marine and land resources, drinking water being the most important. The Black Sea level is the drainage base level to which the surface waters of its hydrographic basin flow, but it also influences the groundwater dynamics. Southern Dobrogea is a typical geologic platform unit, divided in several tectonic blo...