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Water-level fluctuations in the Black Sea since the Last Glacial Maximum ArchiMer
Lericolais, Gilles; Popescu, I; Guichard, F; Popescu, S. M..
Two IFREMER oceanographic surveys carried out in the northwestern Black Sea in 1998 and 2002 complement previous seabed mapping and subsurface sampling by various international expeditions. They show that the lake level rose on the continental shelf to at least the -40 to -30 m isobath based on the landward limit of a Dreissena layer representative of very low salinity conditions (<50/00). The Black Sea then shows clear evidence for an onset of marine conditions at 7150 BP. From these observations, Ryan et al. (1997) concluded that the Black Sea could have filled abruptly with saltwater cascading in from the Mediterranean. Despite critical discussions of this interpretation, recent IFREMER discoveries of well preserved drowned beaches, sand dunes, and...
Tipo: Text Palavras-chave: Black Sea continental shelf; Bosphorus outlet; Multibeam geomorphology; Seismic stratigraphy; Younger Dryas; Rapid transgression.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-6267.pdf
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