Giosan and his colleagues estimate that the Black Sea was around 30 meters below present day levels (Black Lake is represented by dark blue water) before a breach of the Bosporus sill 9,500 years ago raised levels to a maximum of 20 meters |(the flooded area is represented by light blue water). Their estimates mean that the magnitude of the Black Sea flood was 5 or 10 meters but not 50 to 60 meters. (Credit: Jack Cook, Woods Hole Oceanographic Institution)
From Science Daily:
ScienceDaily (Jan. 27, 2009) — Did a catastrophic flood of biblical proportions drown the shores of the Black Sea 9,500 years ago, wiping out early Neolithic settlements around its perimeter? A geologist with the Woods Hole Oceanographic Institution (WHOI) and two Romanian colleagues report in the January issue of Quaternary Science Reviews that, if the flood occurred at all, it was much smaller than previously proposed by other researchers.
Using sediment cores from the delta of the Danube River, which empties into the Black Sea, the researchers determined sea level was approximately 30 meters below present levels—rather than the 80 meters others hypothesized.
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