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

Birner, Benjamin; Buizert, Christo; Wagner, Till J. W.; Severinghaus, Jeffrey P.

doi:https://doi.org/10.5194/tc-12-2021-2018

Articles | Volume 12, issue 6

The Cryosphere, 12, 2021–2037, 2018

https://doi.org/10.5194/tc-12-2021-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

The Cryosphere, 12, 2021–2037, 2018

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 et al.

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Final revised paper (published on 13 Jun 2018)
Supplement to the final revised paper
Preprint (discussion started on 19 Dec 2017)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Referee Comments', Stephen Drake, 13 Jan 2018
RC2: 'Review of Birner et al.', Anonymous Referee #2, 15 Jan 2018
AC1: 'Author response to reviewers', Benjamin Birner, 13 Apr 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Svenja Lange on behalf of the Authors (17 Apr 2018) Author's response Manuscript

ED: Publish as is (25 Apr 2018) by Martin Schneebeli

Post-review adjustments

AA: Author's adjustment | EA: Editor approval

AA by Benjamin Birner on behalf of the Authors (05 Jun 2018) Author's adjustment Manuscript

EA: Adjustments approved (05 Jun 2018) by Martin Schneebeli

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.