An abrupt drowning of the Black Sea shelf (original) (raw)

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Research paper

An abrupt drowning of the Black Sea shelf

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Abstract

During latest Quaternary glaciation, the Black Sea became a giant freshwater lake. The surface of this lake drew down to levels more than 100 m below its outlet. When the Mediterranean rose to the Bosporus sill at 7,150 yr BP1, saltwater poured through this spillway to refill the lake and submerge, catastrophically, more than 100,000 km2 of its exposed continental shelf. The permanent drowning of a vast terrestrial landscape may possibly have accelerated the dispersal of early neolithic foragers and farmers into the interior of Europe at that time.

Keywords

Black Sea

Bosporus

Mediterranean

Sapropel

Transgression

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Unless otherwise noted, all dates reported are raw carbon-14 ages before reservoir corrections (460 yr) and thus are compatible with previously published dates.