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The Holocene, Vol. 17, No. 8, 1253-1258 (2007)
DOI: 10.1177/0959683607085132

Late-Holocene advance of the Collins Ice Cap, King George Island, South Shetland Islands

Brenda L. Hall

Department of Earth Sciences and Climate Change Institute, University of Maine, Orono ME 04469, USA, BrendaH{at}maine.edu

Radiocarbon dates of incorporated moss indicate advance of the Collins Ice Cap on Fildes Peninsula (King George Island) after ~650 cal. yr BP (~AD 1300), broadly contemporaneous with the `Little Ice Age', as defined in Europe. During that time, the glacier extended less than 400—500 m beyond its present-day margin. Moreover, radiocarbon data indicate that this was the most extensive advance of the last 3500 cal. years. Prior to ~650 cal. yr BP, the ice must have been at or behind its present position. Furthermore, the data indicate that climate conditions prior to the late-Holocene advance may have been similar to (or possibly warmer than) today.

Key Words: South Shetland Islands • Fildes Peninsula • late-Holocene ice extent • moraines • `Little Ice Age'.


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