The Cryosphere
The Cryosphere
TC
Articles | Volume 12, issue 6
Articles | Volume 12, issue 6
https://doi.org/10.5194/tc-12-2021-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-12-2021-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 6
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, Christo Buizert, Till J. W. Wagner, and Jeffrey P. Severinghaus

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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.
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