ИСТИНА

During the first quarter of the Holocene, the Black Sea (BS) experienced large changes: amid the gradually rising water surface, Black Sea level (BSL) fluctuations occurred. We calculated based on records (e.g.,Balabanov, 2007) that the standard deviation is _3.5 - 5 m. Their typical duration was ~1000 years. Time of occurrence of positive and negative anomalies of the BS is different in different reconstructions. The source of these discrepancies could be tectonically induced vertical motions. Before _7 ka BP the BSL was higher than the level of the World Ocean. The rising BS spilled over a rocky sill at the Bosphorus (Chepalyga, 2007). It is clear that if the water discharge were quite large, the long-term BSL anomalies could not be. This study focuses on the quantification of this concept.