Articles | Volume 10, issue 5
https://doi.org/10.5194/tc-10-2099-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-10-2099-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| Highlight paper
| 
15 Sep 2016
Research article | Highlight paper |
| 15 Sep 2016
Dispersion in deep polar firn driven by synoptic-scale surface pressure variability
Christo Buizert
CORRESPONDING AUTHOR
College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA
Jeffrey P. Severinghaus
Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093, USA
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Cited
19 citations as recorded by crossref.
- Critical porosity of gas enclosure in polar firn independent of climate C. Schaller et al. 10.5194/cp-13-1685-2017
- Mean global ocean temperatures during the last glacial transition B. Bereiter et al. 10.1038/nature25152
- Earth’s radiative imbalance from the Last Glacial Maximum to the present D. Baggenstos et al. 10.1073/pnas.1905447116
- Snapshots of mean ocean temperature over the last 700 000 years using noble gases in the EPICA Dome C ice core M. Haeberli et al. 10.5194/cp-17-843-2021
- Wind enhances differential air advection in surface snow at sub-meter scales S. Drake et al. 10.5194/tc-11-2075-2017
- The SP19 chronology for the South Pole Ice Core – Part 2: gas chronology, Δage, and smoothing of atmospheric records J. Epifanio et al. 10.5194/cp-16-2431-2020
- Evolution of mean ocean temperature in Marine Isotope Stage 4 S. Shackleton et al. 10.5194/cp-17-2273-2021
- The influence of layering and barometric pumping on firn air transport in a 2-D model B. Birner et al. 10.5194/tc-12-2021-2018
- Anthropogenic Impacts on Atmospheric Carbonyl Sulfide Since the 19th Century Inferred From Polar Firn Air and Ice Core Measurements M. Aydin et al. 10.1029/2020JD033074
- Firn Model Intercomparison Experiment (FirnMICE) J. LUNDIN et al. 10.1017/jog.2016.114
- Reconstructing atmospheric H2 over the past century from bi-polar firn air records J. Patterson et al. 10.5194/cp-19-2535-2023
- Antarctic temperature and CO<sub>2</sub>: near-synchrony yet variable phasing during the last deglaciation J. Chowdhry Beeman et al. 10.5194/cp-15-913-2019
- A 2000-year temperature reconstruction on the East Antarctic plateau from argon–nitrogen and water stable isotopes in the Aurora Basin North ice core A. Servettaz et al. 10.5194/cp-19-1125-2023
- The new Kr-86 excess ice core proxy for synoptic activity: West Antarctic storminess possibly linked to Intertropical Convergence Zone (ITCZ) movement through the last deglaciation C. Buizert et al. 10.5194/cp-19-579-2023
- New methods for measuring atmospheric heavy noble gas isotope and elemental ratios in ice core samples B. Bereiter et al. 10.1002/rcm.8099
- Very old firn air linked to strong density layering at Styx Glacier, coastal Victoria Land, East Antarctica Y. Jang et al. 10.5194/tc-13-2407-2019
- Concentration and Isotopic Composition of Atmospheric N2O Over the Last Century S. Ghosh et al. 10.1029/2022JD038281
- Numerical experiments on vapor diffusion in polar snow and firn and its impact on isotopes using the multi-layer energy balance model Crocus in SURFEX v8.0 A. Touzeau et al. 10.5194/gmd-11-2393-2018
- Critical porosity of gas enclosure in polar firn independent of climate C. Schaller et al. 10.5194/cp-13-1685-2017
18 citations as recorded by crossref.
- Critical porosity of gas enclosure in polar firn independent of climate C. Schaller et al. 10.5194/cp-13-1685-2017
- Mean global ocean temperatures during the last glacial transition B. Bereiter et al. 10.1038/nature25152
- Earth’s radiative imbalance from the Last Glacial Maximum to the present D. Baggenstos et al. 10.1073/pnas.1905447116
- Snapshots of mean ocean temperature over the last 700 000 years using noble gases in the EPICA Dome C ice core M. Haeberli et al. 10.5194/cp-17-843-2021
- Wind enhances differential air advection in surface snow at sub-meter scales S. Drake et al. 10.5194/tc-11-2075-2017
- The SP19 chronology for the South Pole Ice Core – Part 2: gas chronology, Δage, and smoothing of atmospheric records J. Epifanio et al. 10.5194/cp-16-2431-2020
- Evolution of mean ocean temperature in Marine Isotope Stage 4 S. Shackleton et al. 10.5194/cp-17-2273-2021
- The influence of layering and barometric pumping on firn air transport in a 2-D model B. Birner et al. 10.5194/tc-12-2021-2018
- Anthropogenic Impacts on Atmospheric Carbonyl Sulfide Since the 19th Century Inferred From Polar Firn Air and Ice Core Measurements M. Aydin et al. 10.1029/2020JD033074
- Firn Model Intercomparison Experiment (FirnMICE) J. LUNDIN et al. 10.1017/jog.2016.114
- Reconstructing atmospheric H2 over the past century from bi-polar firn air records J. Patterson et al. 10.5194/cp-19-2535-2023
- Antarctic temperature and CO<sub>2</sub>: near-synchrony yet variable phasing during the last deglaciation J. Chowdhry Beeman et al. 10.5194/cp-15-913-2019
- A 2000-year temperature reconstruction on the East Antarctic plateau from argon–nitrogen and water stable isotopes in the Aurora Basin North ice core A. Servettaz et al. 10.5194/cp-19-1125-2023
- The new Kr-86 excess ice core proxy for synoptic activity: West Antarctic storminess possibly linked to Intertropical Convergence Zone (ITCZ) movement through the last deglaciation C. Buizert et al. 10.5194/cp-19-579-2023
- New methods for measuring atmospheric heavy noble gas isotope and elemental ratios in ice core samples B. Bereiter et al. 10.1002/rcm.8099
- Very old firn air linked to strong density layering at Styx Glacier, coastal Victoria Land, East Antarctica Y. Jang et al. 10.5194/tc-13-2407-2019
- Concentration and Isotopic Composition of Atmospheric N2O Over the Last Century S. Ghosh et al. 10.1029/2022JD038281
- Numerical experiments on vapor diffusion in polar snow and firn and its impact on isotopes using the multi-layer energy balance model Crocus in SURFEX v8.0 A. Touzeau et al. 10.5194/gmd-11-2393-2018
1 citations as recorded by crossref.
Latest update: 17 Jul 2024
Short summary
The upper 50–100 m of the world's ice sheets consists of the firn layer, a porous layer of snow that is slowly compacted by overlying snow. Understanding air movement inside the firn is critical for ice core climate reconstructions. Buizert and Severinghaus identify and describe a new mechanism of firn air movement. High- and low-pressure systems force air movement in the firn that drives strong mixing, called dispersion. Dispersion is the main mechanism for air mixing in the deep firn.
The upper 50–100 m of the world's ice sheets consists of the firn layer, a porous layer of snow...
