The Cryosphere
The Cryosphere
TC
Articles | Volume 19, issue 3
Articles | Volume 19, issue 3
https://doi.org/10.5194/tc-19-1373-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-1373-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 3
Research article
 | 
27 Mar 2025
Research article |  | 27 Mar 2025

What does the impurity variability at the microscale represent in ice cores? Insights from a conceptual approach

Piers Larkman, Rachael H. Rhodes, Nicolas Stoll, Carlo Barbante, and Pascal Bohleber

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Short summary
Impurities in ice cores can be preferentially located at the boundaries between crystals of ice, impacting the interpretation of high-resolution data collected from ice core samples. Through use of a modelling framework, we demonstrate that one-dimensional signals can be significantly affected by this association, meaning high-resolution measurements must be carefully designed. Accounting for this effect is important for interpreting ice core data, especially for deep ice samples.
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