Articles | Volume 11, issue 6
Research article
 | Highlight paper
03 Nov 2017
Research article | Highlight paper |  | 03 Nov 2017

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

Matthew Osman, Sarah B. Das, Olivier Marchal, and Matthew J. Evans

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Cited articles

Abram, N. J., Wolff, E. W., and Curran, M. A. J.: A review of sea ice proxy information from polar ice cores, Quaternary Sci. Rev., 79, 168–183,, 2013.
Barnes, P. R. F., Wolff, E. W., Mader, H. M., Udisti, R., Castellano, E., and Röthlisberger, R.: Evolution of chemical peak shapes in the Dome C, Antarctica, ice core, J. Geophys. Res., 108, 4126,, 2003a.
Barnes, P. R. F., Wolff, E. W., Mallard, D. C., and Mader, H. M.: SEM Studies of the Morphology and Chemistry of Polar Ice, Microsc. Res. Techniq., 62, 62–69, 2003b.
Barret, M., Houdier, S., and Domine, F.: Thermodynamics of the formaldehyde – water and formaldehyde – ice systems for atmospheric applications, J. Phys. Chem. A, 115, 307–317,, 2011.
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.