Articles | Volume 13, issue 12
Clim. Past, 13, 1815–1830, 2017
https://doi.org/10.5194/cp-13-1815-2017
Clim. Past, 13, 1815–1830, 2017
https://doi.org/10.5194/cp-13-1815-2017

Research article 13 Dec 2017

Research article | 13 Dec 2017

Analytical constraints on layered gas trapping and smoothing of atmospheric variability in ice under low-accumulation conditions

Kévin Fourteau et al.

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Latest update: 25 Oct 2021
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Short summary
We measured methane concentrations from a polar ice core to quantify the differences between the ice record and the past true atmospheric conditions. Two effects were investigated by combining data analysis and modeling: the stratification of polar snow before gas enclosure driving chronological hiatuses in the record and the gradual formation of bubbles in the ice attenuating fast atmospheric variations. This study will contribute to improving future climatic interpretations from ice archives.