Articles | Volume 11, issue 3
The Cryosphere, 11, 1075–1090, 2017
https://doi.org/10.5194/tc-11-1075-2017
The Cryosphere, 11, 1075–1090, 2017
https://doi.org/10.5194/tc-11-1075-2017

Research article 05 May 2017

Research article | 05 May 2017

Location and distribution of micro-inclusions in the EDML and NEEM ice cores using optical microscopy and in situ Raman spectroscopy

Jan Eichler et al.

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Latest update: 25 Oct 2021
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Short summary
This study contributes to investigations of the effect of impurities on ice microstructure and flow properties. For the first time we mapped over 5000 micro-inclusions in four samples from the EDML and NEEM polar ice cores. The particle distributions show no correlation with grain boundaries and thus we conclude that particle pinning plays only a secondary role for the microstructure evolution. Alternative mechanisms are discussed.