Marine and environmental studies

Paleoceanography of the Black Sea examines how this semi-enclosed basin has changed over the past tens of thousands of years, from a largely isolated freshwater lake during the last glacial period to a marine environment connected to the Mediterranean through the Turkish Straits. Researchers reconstruct those transitions using sediment cores, which preserve chemical and biological signals that reveal past water chemistry, salinity shifts, and the timing of dramatic sea-level events like the Holocene transgression. Understanding how the Black Sea exchanged water with the Mediterranean and the Caspian Sea helps clarify broader questions about deglaciation, regional climate, and how abrupt hydrological changes affect sediment deposition and the preservation of organic matter on the seafloor. Active research continues to debate the pace and magnitude of the reconnection event roughly 9,000 years ago and how sedimentation patterns across the basin recorded the environmental upheaval that followed.

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143,059

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735,487

Keywords

Black SeaHolocenepaleoceanographysea levelMediterraneanCaspian Sea