Articles | Volume 13, issue 12
The Cryosphere, 13, 3383–3403, 2019
https://doi.org/10.5194/tc-13-3383-2019
The Cryosphere, 13, 3383–3403, 2019
https://doi.org/10.5194/tc-13-3383-2019
Research article
17 Dec 2019
Research article | 17 Dec 2019

Multi-tracer study of gas trapping in an East Antarctic ice core

Kévin Fourteau et al.

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Short summary
Understanding gas trapping in polar ice is essential to study the relationship between greenhouse gases and past climates. New data of bubble closure, used in a simple gas-trapping model, show inconsistency with the final air content in ice. This suggests gas trapping is not fully understood. We also use a combination of high-resolution measurements to investigate the effect of polar snow stratification on gas trapping and find that all strata have similar pores, but that some close in advance.