Articles | Volume 11, issue 6
The Cryosphere, 11, 2439–2462, 2017
https://doi.org/10.5194/tc-11-2439-2017
The Cryosphere, 11, 2439–2462, 2017
https://doi.org/10.5194/tc-11-2439-2017

Research article 03 Nov 2017

Research article | 03 Nov 2017

Methanesulfonic acid (MSA) migration in polar ice: data synthesis and theory

Matthew Osman et al.

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AR by Matthew Osman on behalf of the Authors (09 Sep 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (12 Sep 2017) by Becky Alexander
AR by Matthew Osman on behalf of the Authors (27 Sep 2017)  Author's response    Manuscript
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Short summary
We combine a synthesis of 22 ice core records and a model of soluble impurity transport to investigate the enigmatic, post-depositional migration of methanesulfonic acid in polar ice. Our findings suggest that migration may be universal across coastal regions of Greenland and Antarctica, though it is mitigated at sites with higher accumulation and (or) lower impurity content. Records exhibiting severe migration may still be useful for inferring decadal and lower-frequency climate variability.