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The Younger Dryas cold event - was it synchronous over the North Atlantic region?

Tomasz Goslar, Maurice Arnold, Mieczyslaw F Pazdur

Abstract


Determined independently from annually laminated ice cores and lake sediments, and German pines, the calendar ages of Younger Dryas (YD) boundaries significantly disagree with one another. 14C dates, plotted vs. calendar ages for samples from different sediments, also reveal distinct offsets. The adjustment of varve chronologies to synchronize the boundaries of the YD nearly cancels the discrepancies between 14C data, and supports the synchronism of the YD cold period over the North Atlantic region. However, the exact timing of the event cannot be estimated in this way.

Keywords


climate;Lake Holzmaar;Lake Soppensee;Poland;Lake Gosciaz;lacustrine environment;Arctic region;Greenland;ice cores;planar bedding structures;sedimentary structures;varves;upper Weichselian;Weichselian;Younger Dryas;Atlantic Ocean;North Atlantic;Germany;Central Europe;Pleistocene;upper Pleistocene;time scales;Europe;sediments;Cenozoic;Quaternary;C 14;carbon;dates;isotopes;radioactive isotopes;absolute age

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