Articles | Volume 12, issue 6
The Cryosphere, 12, 2021–2037, 2018
The Cryosphere, 12, 2021–2037, 2018
Research article
13 Jun 2018
Research article | 13 Jun 2018

The influence of layering and barometric pumping on firn air transport in a 2-D model

Benjamin Birner et al.

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Cited articles

Alley, R. B. and Koci, B. R.: Recent warming in central Greenland?, Ann. Glaciol., 14, 6–8, 1990.
Battle, M. O., Severinghaus, J. P., Sofen, E. D., Plotkin, D., Orsi, A. J., Aydin, M., Montzka, S. A., Sowers, T., and Tans, P. P.: Controls on the movement and composition of firn air at the West Antarctic Ice Sheet Divide, Atmos. Chem. Phys., 11, 11007–11021,, 2011.
Bereiter, B., Shackleton, S., Baggenstos, D., Kawamura, K., and Severinghaus, J.: Mean global ocean temperatures during the last glacial transition, Nature, 553, 39–44,, 2018.
Buizert, C. and Severinghaus, J. P.: Dispersion in deep polar firn driven by synoptic-scale surface pressure variability, The Cryosphere, 10, 2099–2111,, 2016.
Short summary
Ancient air enclosed in bubbles of the Antarctic ice sheet is a key source of information about the Earth's past climate. However, a range of physical processes in the snow layer atop an ice sheet may change the trapped air's chemical composition before it is occluded in the ice. We developed the first detailed 2-D computer simulation of these processes and found a new method to improve the reconstruction of past climate from air in ice cores bubbles.