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Very little in situ produced radiocarbon retained in accumulating Antarctic ice

By W.J.M. van der Kemp, C. Alderliesten, K. van der Borg, P. Holmlund, A.F.M. de Jong, L. Karlöf, R.A.N. Lamers, J. Oerlemans, M. Thomassen and R.S.W. van de Wal

Abstract

Ice samples from Dronning Maud Land, Antarctica, were analyzed for 14CO2 and 14CO by accelerator mass spectrometry. Only a small amount (~2%) of in situ produced radiocarbon was detected. The calibrated radiocarbon ages, corrected for in situ produced 14C, are in fair agreement with age estimates obtained from stratigraphical methods added to a gas inclusion model. The ages of the entrapped air range from recent to ca. 1200 AD

Topics: Natuur- en Sterrenkunde, In situ 14C production, Radiocarbon dating, Ice, AMS, Antarctica
Year: 2000
OAI identifier: oai:dspace.library.uu.nl:1874/21431
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