The Cryosphere
The Cryosphere
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Articles | Volume 15, issue 3
Articles | Volume 15, issue 3
https://doi.org/10.5194/tc-15-1537-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-1537-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 3
Research article
 | 
26 Mar 2021
Research article |  | 26 Mar 2021

Radiocarbon dating of alpine ice cores with the dissolved organic carbon (DOC) fraction

Ling Fang, Theo M. Jenk, Thomas Singer, Shugui Hou, and Margit Schwikowski

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Short summary
The interpretation of the ice-core-preserved signal requires a precise chronology. Radiocarbon (14C) dating of the water-insoluble organic carbon (WIOC) fraction has become an important dating tool. However, this method is restricted by the low concentration in the ice. In this work, we report first 14C dating results using the dissolved organic carbon (DOC) fraction. The resulting ages are comparable in both fractions, but by using the DOC fraction the required ice mass can be reduced.
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