Articles | Volume 11, issue 5
https://doi.org/10.5194/tc-11-2231-2017
© 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/tc-11-2231-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
20 Sep 2017
Research article |
| 20 Sep 2017
Geothermal flux and basal melt rate in the Dome C region inferred from radar reflectivity and heat modelling
Olivier Passalacqua
CORRESPONDING AUTHOR
Univ. Grenoble Alpes, CNRS, IGE, 38000 Grenoble, France
Catherine Ritz
Univ. Grenoble Alpes, CNRS, IGE, 38000 Grenoble, France
Frédéric Parrenin
Univ. Grenoble Alpes, CNRS, IGE, 38000 Grenoble, France
Stefano Urbini
Istituto Nazionale di Geofisica e Vulcanologia, 00143 Rome, Italy
Massimo Frezzotti
ENEA, Centro Ricerche Casaccia, P.O. Box 2400, 00100 Rome, Italy
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Cited
17 citations as recorded by crossref.
- A one-dimensional temperature and age modeling study for selecting the drill site of the oldest ice core near Dome Fuji, Antarctica T. Obase et al. 10.5194/tc-17-2543-2023
- Modelling the Antarctic Ice Sheet across the mid-Pleistocene transition – implications for Oldest Ice J. Sutter et al. 10.5194/tc-13-2023-2019
- Promising Oldest Ice sites in East Antarctica based on thermodynamical modelling B. Van Liefferinge et al. 10.5194/tc-12-2773-2018
- A Semiautomatic Method for Predicting Subglacial Dry and Wet Zones Through Identifying Dry–Wet Transitions S. Lang et al. 10.1109/TGRS.2022.3225628
- Stagnant ice and age modelling in the Dome C region, Antarctica A. Chung et al. 10.5194/tc-17-3461-2023
- Antarctica ice sheet basal melting enhanced by high mantle heat I. Artemieva 10.1016/j.earscirev.2022.103954
- Where is the 1-million-year-old ice at Dome A? L. Zhao et al. 10.5194/tc-12-1651-2018
- On the retrieval of internal temperature of Antarctica Ice Sheet by using SMOS observations G. Macelloni et al. 10.1016/j.rse.2019.111405
- Investigating the internal structure of the Antarctic ice sheet: the utility of isochrones for spatiotemporal ice-sheet model calibration J. Sutter et al. 10.5194/tc-15-3839-2021
- Brief communication: Candidate sites of 1.5 Myr old ice 37 km southwest of the Dome C summit, East Antarctica O. Passalacqua et al. 10.5194/tc-12-2167-2018
- Brief communication: New radar constraints support presence of ice older than 1.5 Myr at Little Dome C D. Lilien et al. 10.5194/tc-15-1881-2021
- Basal Melt Patterns around the Deep Ice Core Drilling Site in the Dome A Region from Ice-Penetrating Radar Measurements H. Wang et al. 10.3390/rs15071726
- Simulating higher-order fabric structure in a coupled, anisotropic ice-flow model: application to Dome C D. Lilien et al. 10.1017/jog.2023.78
- Glaciological characteristics in the Dome Fuji region and new assessment for “Oldest Ice” N. Karlsson et al. 10.5194/tc-12-2413-2018
- Geothermal heat flux from measured temperature profiles in deep ice boreholes in Antarctica P. Talalay et al. 10.5194/tc-14-4021-2020
- Review article: Geothermal heat flow in Antarctica: current and future directions A. Burton-Johnson et al. 10.5194/tc-14-3843-2020
- Is there 1.5-million-year-old ice near Dome C, Antarctica? F. Parrenin et al. 10.5194/tc-11-2427-2017
16 citations as recorded by crossref.
- A one-dimensional temperature and age modeling study for selecting the drill site of the oldest ice core near Dome Fuji, Antarctica T. Obase et al. 10.5194/tc-17-2543-2023
- Modelling the Antarctic Ice Sheet across the mid-Pleistocene transition – implications for Oldest Ice J. Sutter et al. 10.5194/tc-13-2023-2019
- Promising Oldest Ice sites in East Antarctica based on thermodynamical modelling B. Van Liefferinge et al. 10.5194/tc-12-2773-2018
- A Semiautomatic Method for Predicting Subglacial Dry and Wet Zones Through Identifying Dry–Wet Transitions S. Lang et al. 10.1109/TGRS.2022.3225628
- Stagnant ice and age modelling in the Dome C region, Antarctica A. Chung et al. 10.5194/tc-17-3461-2023
- Antarctica ice sheet basal melting enhanced by high mantle heat I. Artemieva 10.1016/j.earscirev.2022.103954
- Where is the 1-million-year-old ice at Dome A? L. Zhao et al. 10.5194/tc-12-1651-2018
- On the retrieval of internal temperature of Antarctica Ice Sheet by using SMOS observations G. Macelloni et al. 10.1016/j.rse.2019.111405
- Investigating the internal structure of the Antarctic ice sheet: the utility of isochrones for spatiotemporal ice-sheet model calibration J. Sutter et al. 10.5194/tc-15-3839-2021
- Brief communication: Candidate sites of 1.5 Myr old ice 37 km southwest of the Dome C summit, East Antarctica O. Passalacqua et al. 10.5194/tc-12-2167-2018
- Brief communication: New radar constraints support presence of ice older than 1.5 Myr at Little Dome C D. Lilien et al. 10.5194/tc-15-1881-2021
- Basal Melt Patterns around the Deep Ice Core Drilling Site in the Dome A Region from Ice-Penetrating Radar Measurements H. Wang et al. 10.3390/rs15071726
- Simulating higher-order fabric structure in a coupled, anisotropic ice-flow model: application to Dome C D. Lilien et al. 10.1017/jog.2023.78
- Glaciological characteristics in the Dome Fuji region and new assessment for “Oldest Ice” N. Karlsson et al. 10.5194/tc-12-2413-2018
- Geothermal heat flux from measured temperature profiles in deep ice boreholes in Antarctica P. Talalay et al. 10.5194/tc-14-4021-2020
- Review article: Geothermal heat flow in Antarctica: current and future directions A. Burton-Johnson et al. 10.5194/tc-14-3843-2020
1 citations as recorded by crossref.
Latest update: 14 Jun 2025
Short summary
As the Dome C region is a key area for oldest-ice research, we need to better constrain the geothermal flux (GF) so that past basal melt rates are well constrained. Our inverse heat model significantly reduces the confidence intervals of the GF regional field around Dome C, which ranges from 48 to 60 mW m−2. Radar echoes need to be interpreted knowing the time lag of the climate signal to reach the bed. Several old-ice targets are confirmed and a new one is suggested, in which the GF is very low.
As the Dome C region is a key area for oldest-ice research, we need to better constrain the...
