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Cambridge University Press, Journal of Glaciology, 193(55), p. 784-788

DOI: 10.3189/002214309790152474

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Methanesulphonic acid loss during ice-core storage: Recommendations based on a new diffusion coefficient

Journal article published in 2009 by Jason L. Roberts, Tas D. Van Ommen ORCID, Mark A. J. Curran, Tessa R. Vance
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractThe loss of methanesul phonic acid (MSA) from stored ice cores can be significant over typical storage times, with diffusion to the ice-core surface controlling the loss. Methods for minimizing this loss are discussed and it is shown how measurements can be corrected by calculating the amount of MSA lost. A revised diffusion coefficient for MSA in solid ice, (4.1 × 10−13) ± (2.5 × 10−14) m2 s−1, is derived to improve such MSA loss corrections.