Articles | Volume 16, issue 1
Research article
28 Feb 2020
Research article |  | 28 Feb 2020

Climate-induced speleothem radiocarbon variability on Socotra Island from the Last Glacial Maximum to the Younger Dryas

Steffen Therre, Jens Fohlmeister, Dominik Fleitmann, Albert Matter, Stephen J. Burns, Jennifer Arps, Andrea Schröder-Ritzrau, Ronny Friedrich, and Norbert Frank


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Short summary
The radiocarbon (14C) levels of a stalagmite (grown 27–11 kyr before today) from Socotra Island (Arabian Sea) show drastic changes across the last termination. Our study highlights the influence of a warming climate with increasing precipitation towards the ending glacial on stalagmite 14C. High-resolution measurements suggest 14C is linked to a denser vegetation coverage on the island. Therefore, stalagmite 14C can be used as a climate tracer on millennial to sub-centennial timescales.