Articles | Volume 13, issue 7
https://doi.org/10.5194/cp-13-833-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-13-833-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
13 Jul 2017
Research article |
| 13 Jul 2017
Modelling firn thickness evolution during the last deglaciation: constraints on sensitivity to temperature and impurities
Camille Bréant
CORRESPONDING AUTHOR
Laboratoire des Sciences du Climat et de l'Environnement, UMR8212,
CEA-CNRS-UPS/IPSL, Gif-sur-Yvette, France
Univ. Grenoble Alpes, CNRS, IRD, IGE, UMR5001, Grenoble, 38000,
France
Patricia Martinerie
Univ. Grenoble Alpes, CNRS, IRD, IGE, UMR5001, Grenoble, 38000,
France
Anaïs Orsi
Laboratoire des Sciences du Climat et de l'Environnement, UMR8212,
CEA-CNRS-UPS/IPSL, Gif-sur-Yvette, France
Laurent Arnaud
Univ. Grenoble Alpes, CNRS, IRD, IGE, UMR5001, Grenoble, 38000,
France
Amaëlle Landais
Laboratoire des Sciences du Climat et de l'Environnement, UMR8212,
CEA-CNRS-UPS/IPSL, Gif-sur-Yvette, France
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Cited
26 citations as recorded by crossref.
- Firn on ice sheets C. Amory et al. 10.1038/s43017-023-00507-9
- Analytical constraints on layered gas trapping and smoothing of atmospheric variability in ice under low-accumulation conditions K. Fourteau et al. 10.5194/cp-13-1815-2017
- On the use of δ18Oatm for ice core dating T. Extier et al. 10.1016/j.quascirev.2018.02.008
- 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
- Antarctic surface temperature and elevation during the Last Glacial Maximum C. Buizert et al. 10.1126/science.abd2897
- Critical porosity of gas enclosure in polar firn independent of climate C. Schaller et al. 10.5194/cp-13-1685-2017
- The Dome Fuji ice core DF2021 chronology (0–207 kyr BP) I. Oyabu et al. 10.1016/j.quascirev.2022.107754
- Estimation of gas record alteration in very low-accumulation ice cores K. Fourteau et al. 10.5194/cp-16-503-2020
- A local model of snow–firn dynamics and application to the Colle Gnifetti site F. Banfi & C. De Michele 10.5194/tc-16-1031-2022
- 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
- In situ X-ray tomography densification of firn: The role of mechanics and diffusion processes A. Burr et al. 10.1016/j.actamat.2019.01.053
- An extension of the TALDICE ice core age scale reaching back to MIS 10.1 I. Crotti et al. 10.1016/j.quascirev.2021.107078
- A New Posthole Seismometer at Concordia Permanent Research Facility in the Heart of the Icy East Antarctic Plateau M. Bès de Berc et al. 10.1785/0220230188
- Characteristics of the 1979–2020 Antarctic firn layer simulated with IMAU-FDM v1.2A S. Veldhuijsen et al. 10.5194/tc-17-1675-2023
- Modeling enhanced firn densification due to strain softening F. Oraschewski & A. Grinsted 10.5194/tc-16-2683-2022
- The Antarctic Ice Core Chronology 2023 (AICC2023) chronological framework and associated timescale for the European Project for Ice Coring in Antarctica (EPICA) Dome C ice core M. Bouchet et al. 10.5194/cp-19-2257-2023
- Ice retreat in Wilkes Basin of East Antarctica during a warm interglacial T. Blackburn et al. 10.1038/s41586-020-2484-5
- Reconstruction of Temperature, Accumulation Rate, and Layer Thinning From an Ice Core at South Pole, Using a Statistical Inverse Method E. Kahle et al. 10.1029/2020JD033300
- The First Stage of Firn Densification ‐ An Evaluation of Grain Boundary Sliding T. Schultz et al. 10.1002/pamm.202100125
- Unveiling the anatomy of Termination 3 using water and air isotopes in the Dome C ice core, East Antarctica C. Bréant et al. 10.1016/j.quascirev.2019.03.025
- Multi-tracer study of gas trapping in an East Antarctic ice core K. Fourteau et al. 10.5194/tc-13-3383-2019
- 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
- Spatial pattern of accumulation at Taylor Dome during Marine Isotope Stage 4: stratigraphic constraints from Taylor Glacier J. Menking et al. 10.5194/cp-15-1537-2019
- Pore morphology of polar firn around closure revealed by X-ray tomography A. Burr et al. 10.5194/tc-12-2481-2018
- The Ice Core Gas Age‐Ice Age Difference as a Proxy for Surface Temperature C. Buizert 10.1029/2021GL094241
- On the contribution of grain boundary sliding type creep to firn densification – an assessment using an optimization approach T. Schultz et al. 10.5194/tc-16-143-2022
26 citations as recorded by crossref.
- Firn on ice sheets C. Amory et al. 10.1038/s43017-023-00507-9
- Analytical constraints on layered gas trapping and smoothing of atmospheric variability in ice under low-accumulation conditions K. Fourteau et al. 10.5194/cp-13-1815-2017
- On the use of δ18Oatm for ice core dating T. Extier et al. 10.1016/j.quascirev.2018.02.008
- 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
- Antarctic surface temperature and elevation during the Last Glacial Maximum C. Buizert et al. 10.1126/science.abd2897
- Critical porosity of gas enclosure in polar firn independent of climate C. Schaller et al. 10.5194/cp-13-1685-2017
- The Dome Fuji ice core DF2021 chronology (0–207 kyr BP) I. Oyabu et al. 10.1016/j.quascirev.2022.107754
- Estimation of gas record alteration in very low-accumulation ice cores K. Fourteau et al. 10.5194/cp-16-503-2020
- A local model of snow–firn dynamics and application to the Colle Gnifetti site F. Banfi & C. De Michele 10.5194/tc-16-1031-2022
- 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
- In situ X-ray tomography densification of firn: The role of mechanics and diffusion processes A. Burr et al. 10.1016/j.actamat.2019.01.053
- An extension of the TALDICE ice core age scale reaching back to MIS 10.1 I. Crotti et al. 10.1016/j.quascirev.2021.107078
- A New Posthole Seismometer at Concordia Permanent Research Facility in the Heart of the Icy East Antarctic Plateau M. Bès de Berc et al. 10.1785/0220230188
- Characteristics of the 1979–2020 Antarctic firn layer simulated with IMAU-FDM v1.2A S. Veldhuijsen et al. 10.5194/tc-17-1675-2023
- Modeling enhanced firn densification due to strain softening F. Oraschewski & A. Grinsted 10.5194/tc-16-2683-2022
- The Antarctic Ice Core Chronology 2023 (AICC2023) chronological framework and associated timescale for the European Project for Ice Coring in Antarctica (EPICA) Dome C ice core M. Bouchet et al. 10.5194/cp-19-2257-2023
- Ice retreat in Wilkes Basin of East Antarctica during a warm interglacial T. Blackburn et al. 10.1038/s41586-020-2484-5
- Reconstruction of Temperature, Accumulation Rate, and Layer Thinning From an Ice Core at South Pole, Using a Statistical Inverse Method E. Kahle et al. 10.1029/2020JD033300
- The First Stage of Firn Densification ‐ An Evaluation of Grain Boundary Sliding T. Schultz et al. 10.1002/pamm.202100125
- Unveiling the anatomy of Termination 3 using water and air isotopes in the Dome C ice core, East Antarctica C. Bréant et al. 10.1016/j.quascirev.2019.03.025
- Multi-tracer study of gas trapping in an East Antarctic ice core K. Fourteau et al. 10.5194/tc-13-3383-2019
- 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
- Spatial pattern of accumulation at Taylor Dome during Marine Isotope Stage 4: stratigraphic constraints from Taylor Glacier J. Menking et al. 10.5194/cp-15-1537-2019
- Pore morphology of polar firn around closure revealed by X-ray tomography A. Burr et al. 10.5194/tc-12-2481-2018
- The Ice Core Gas Age‐Ice Age Difference as a Proxy for Surface Temperature C. Buizert 10.1029/2021GL094241
- On the contribution of grain boundary sliding type creep to firn densification – an assessment using an optimization approach T. Schultz et al. 10.5194/tc-16-143-2022
Latest update: 26 Apr 2024
Short summary
All firn densification models applied to deglaciations show a large disagreement with δ15N measurements at sites in East Antarctica, predicting larger firn thickness during the Last Glacial Maximum, whereas δ15N suggests a reduced firn thickness compared to the Holocene. Here we present modifications, which significantly reduce the model–data mismatch for the gas trapping depth evolution over the last deglaciation at the coldest sites in East Antarctica, to the LGGE firn densification model.
All firn densification models applied to deglaciations show a large disagreement with δ15N...
