Very little in situ produced radiocarbon retained in accumulating Antarctic ice

• Main 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
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2000
• Subjects: Natuur- en Sterrenkunde; In situ 14C production; Radiocarbon dating; Ice; AMS; Antarctica; Antarctic; Dronning Maud Land; Antarc*
• Online Access: https://dspace.library.uu.nl/handle/1874/21431

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.