Articles | Volume 13, issue 7
Clim. Past, 13, 833–853, 2017
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.
Clim. Past, 13, 833–853, 2017
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 et al.
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Cited
13 citations as recorded by crossref.
- 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
- Critical porosity of gas enclosure in polar firn independent of climate C. Schaller et al. 10.5194/cp-13-1685-2017
- Ice retreat in Wilkes Basin of East Antarctica during a warm interglacial T. Blackburn et al. 10.1038/s41586-020-2484-5
- 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
- Estimation of gas record alteration in very low-accumulation ice cores K. Fourteau et al. 10.5194/cp-16-503-2020
- 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
- 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
- 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
- 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
13 citations as recorded by crossref.
- 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
- Critical porosity of gas enclosure in polar firn independent of climate C. Schaller et al. 10.5194/cp-13-1685-2017
- Ice retreat in Wilkes Basin of East Antarctica during a warm interglacial T. Blackburn et al. 10.1038/s41586-020-2484-5
- 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
- Estimation of gas record alteration in very low-accumulation ice cores K. Fourteau et al. 10.5194/cp-16-503-2020
- 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
- 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
- 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
- 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
Latest update: 03 Mar 2021
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...
