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Very little in situ produced radiocarbon retained in accumulating Antarctic ice

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Publication date

2000

Authors

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

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DOI

https://doi.org/10.1016/S0168-583X(00)00134-8

Document Type

Article

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Utrecht University Repository

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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.

Keywords

In situ 14C production, Radiocarbon dating, Ice, AMS, Antarctica

Citation

URI

http://hdl.handle.net/1874/21431