Articles | Volume 17, issue 2
Clim. Past, 17, 587–601, 2021
https://doi.org/10.5194/cp-17-587-2021
Clim. Past, 17, 587–601, 2021
https://doi.org/10.5194/cp-17-587-2021

Research article 04 Mar 2021

Research article | 04 Mar 2021

Younger Dryas ice margin retreat in Greenland: new evidence from southwestern Greenland

Svend Funder et al.

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Glacial history of Inglefield Land, north Greenland from combined in situ 10Be and 14C exposure dating
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Cited articles

Andrews, J. T., Cabedo-Sanz, P., Jennings, A. E., Olafsdottir, S., Belt, S. T., and Geirsdottir, A.: Sea ice, ice-rafting, and ocean climate across Denmark Strait during rapid deglaciation (similar to 16–12 cal ka BP) of the Iceland and East Greenland shelves, J. Quaternary Sci., 33, 112–130, 2018. 
Arndt, J. E.: Marine geomorphological record of Ice Sheet development in East Greenland since the Last Glacial Maximum, J. Quaternary Sci., 33, 853–864, 2018. 
Arndt, J. E., Jokat, W., and Dorschel, B.: The last glaciation and deglaciation of the Northeast Greenland continental shelf revealed by hydro-acoustic data, Quaternary Sci. Rev., 160, 45–56, 2017. 
Balco, G., Stone, J. O., Lifton, N. A., and Dunai, T. J.: A complete and easily accessible means of calculating surface exposure ages or erosion rates from 10Be and 26Al measurements, Quaternary Geochronol., 3, 174–195, 2008. 
Björck, S., Bennike, O., Rosen, P., Andresen, C. S., Bohncke, S., Kaas, E., and Conley, D.: Anomalously mild Younger Dryas summer conditions in southern Greenland, Geology, 30, 427–430, 2002. 
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Short summary
Cosmogenic 10Be exposure dates from outlying islets along 300 km of the SW Greenland coast indicate that, although affected by inherited 10Be, the ice margin here was retreating during the Younger Dryas. These results seem to be corroborated by recent studies elsewhere in Greenland. The apparent mismatch between temperatures and ice margin behaviour may be explained by the advection of warm water to the ice margin on the shelf and by increased seasonality, both caused by a weakened AMOC.