Articles | Volume 12, issue 12
https://doi.org/10.5194/tc-12-3931-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-12-3931-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Dec 2018
Research article |
| 19 Dec 2018
| 19 Dec 2018
A confined–unconfined aquifer model for subglacial hydrology and its application to the Northeast Greenland Ice Stream
Potsdam Institute for Climate Impact Research (PIK), Member of the Leibniz Association, P.O. Box 60 12 03,
14412 Potsdam, Germany
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Thomas Kleiner
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Vadym Aizinger
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Department of Mathematics, Friedrich–Alexander University Erlangen–Nürnberg, Erlangen, Germany
Martin Rückamp
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Angelika Humbert
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
Faculty of Geosciences, University of Bremen, Bremen, Germany
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- A fast and simplified subglacial hydrological model for the Antarctic Ice Sheet and outlet glaciers E. Kazmierczak et al. 10.5194/tc-18-5887-2024
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- Inferred basal friction and mass flux affected by crystal-orientation fabrics N. Rathmann & D. Lilien 10.1017/jog.2021.88
- Arctic observations and sustainable development goals – Contributions and examples from ERA-PLANET iCUPE data S. Noe et al. 10.1016/j.envsci.2022.02.034
- Sensitivity of Greenland ice sheet projections to spatial resolution in higher-order simulations: the Alfred Wegener Institute (AWI) contribution to ISMIP6 Greenland using the Ice-sheet and Sea-level System Model (ISSM) M. Rückamp et al. 10.5194/tc-14-3309-2020
- Sensitivity of the Northeast Greenland Ice Stream to Geothermal Heat S. Smith‐Johnsen et al. 10.1029/2019JF005252
- Greenland ice sheet climate disequilibrium and committed sea-level rise J. Box et al. 10.1038/s41558-022-01441-2
- Recent significant subseasonal fluctuations of supraglacial lakes on Greenland monitored by passive optical satellites J. Qiu et al. 10.1016/j.rse.2025.114896
- Indication of high basal melting at the EastGRIP drill site on the Northeast Greenland Ice Stream O. Zeising & A. Humbert 10.5194/tc-15-3119-2021
- Surge dynamics of Shisper Glacier revealed by time-series correlation of optical satellite images and their utility to substantiate a generalized sliding law F. Beaud et al. 10.5194/tc-16-3123-2022
- Exceptionally high heat flux needed to sustain the Northeast Greenland Ice Stream S. Smith-Johnsen et al. 10.5194/tc-14-841-2020
- Holocene thinning in central Greenland controlled by the Northeast Greenland Ice Stream I. Tabone et al. 10.1038/s41467-024-50772-5
- The role of subglacial hydrology in ice streams with elevated geothermal heat flux S. Smith-Johnsen et al. 10.1017/jog.2020.8
- The role of hydraulic conductivity in the Pine Island Glacier's subglacial water distribution Y. Zhang et al. 10.1016/j.scitotenv.2024.172144
- The system of atmosphere, land, ice and ocean in the region near the 79N Glacier in northeast Greenland: synthesis and key findings from the Greenland Ice Sheet–Ocean Interaction (GROCE) experiment T. Kanzow et al. 10.5194/tc-19-1789-2025
- Upstream flow effects revealed in the EastGRIP ice core using Monte Carlo inversion of a two-dimensional ice-flow model T. Gerber et al. 10.5194/tc-15-3655-2021
- Elastic deformation plays a non-negligible role in Greenland’s outlet glacier flow J. Christmann et al. 10.1038/s43247-021-00296-3
- Subglacial hydrology modulates basal sliding response of the Antarctic ice sheet to climate forcing E. Kazmierczak et al. 10.5194/tc-16-4537-2022
- Assessment of land deformation and groundwater depletion using Sentinel-1 PS InSAR, GRACE, and Borehole data H. Gulzar et al. 10.1016/j.rsase.2025.101639
- Regularization and L-curves in ice sheet inverse models: a case study in the Filchner–Ronne catchment M. Wolovick et al. 10.5194/tc-17-5027-2023
- A parallel implementation of the confined–unconfined aquifer system model for subglacial hydrology: design, verification, and performance analysis (CUAS-MPI v0.1.0) Y. Fischler et al. 10.5194/gmd-16-5305-2023
- SHMIP The subglacial hydrology model intercomparison Project B. DE FLEURIAN et al. 10.1017/jog.2018.78
21 citations as recorded by crossref.
- A fast and simplified subglacial hydrological model for the Antarctic Ice Sheet and outlet glaciers E. Kazmierczak et al. 10.5194/tc-18-5887-2024
- Improved basal drag of the West Antarctic Ice Sheet from L-curve analysis of inverse models utilizing subglacial hydrology simulations L. Höyns et al. 10.5194/tc-19-2133-2025
- Inferred basal friction and mass flux affected by crystal-orientation fabrics N. Rathmann & D. Lilien 10.1017/jog.2021.88
- Arctic observations and sustainable development goals – Contributions and examples from ERA-PLANET iCUPE data S. Noe et al. 10.1016/j.envsci.2022.02.034
- Sensitivity of Greenland ice sheet projections to spatial resolution in higher-order simulations: the Alfred Wegener Institute (AWI) contribution to ISMIP6 Greenland using the Ice-sheet and Sea-level System Model (ISSM) M. Rückamp et al. 10.5194/tc-14-3309-2020
- Sensitivity of the Northeast Greenland Ice Stream to Geothermal Heat S. Smith‐Johnsen et al. 10.1029/2019JF005252
- Greenland ice sheet climate disequilibrium and committed sea-level rise J. Box et al. 10.1038/s41558-022-01441-2
- Recent significant subseasonal fluctuations of supraglacial lakes on Greenland monitored by passive optical satellites J. Qiu et al. 10.1016/j.rse.2025.114896
- Indication of high basal melting at the EastGRIP drill site on the Northeast Greenland Ice Stream O. Zeising & A. Humbert 10.5194/tc-15-3119-2021
- Surge dynamics of Shisper Glacier revealed by time-series correlation of optical satellite images and their utility to substantiate a generalized sliding law F. Beaud et al. 10.5194/tc-16-3123-2022
- Exceptionally high heat flux needed to sustain the Northeast Greenland Ice Stream S. Smith-Johnsen et al. 10.5194/tc-14-841-2020
- Holocene thinning in central Greenland controlled by the Northeast Greenland Ice Stream I. Tabone et al. 10.1038/s41467-024-50772-5
- The role of subglacial hydrology in ice streams with elevated geothermal heat flux S. Smith-Johnsen et al. 10.1017/jog.2020.8
- The role of hydraulic conductivity in the Pine Island Glacier's subglacial water distribution Y. Zhang et al. 10.1016/j.scitotenv.2024.172144
- The system of atmosphere, land, ice and ocean in the region near the 79N Glacier in northeast Greenland: synthesis and key findings from the Greenland Ice Sheet–Ocean Interaction (GROCE) experiment T. Kanzow et al. 10.5194/tc-19-1789-2025
- Upstream flow effects revealed in the EastGRIP ice core using Monte Carlo inversion of a two-dimensional ice-flow model T. Gerber et al. 10.5194/tc-15-3655-2021
- Elastic deformation plays a non-negligible role in Greenland’s outlet glacier flow J. Christmann et al. 10.1038/s43247-021-00296-3
- Subglacial hydrology modulates basal sliding response of the Antarctic ice sheet to climate forcing E. Kazmierczak et al. 10.5194/tc-16-4537-2022
- Assessment of land deformation and groundwater depletion using Sentinel-1 PS InSAR, GRACE, and Borehole data H. Gulzar et al. 10.1016/j.rsase.2025.101639
- Regularization and L-curves in ice sheet inverse models: a case study in the Filchner–Ronne catchment M. Wolovick et al. 10.5194/tc-17-5027-2023
- A parallel implementation of the confined–unconfined aquifer system model for subglacial hydrology: design, verification, and performance analysis (CUAS-MPI v0.1.0) Y. Fischler et al. 10.5194/gmd-16-5305-2023
1 citations as recorded by crossref.
Latest update: 13 Aug 2025
Short summary
The evolution of subglacial channels below ice sheets is very important for the dynamics of glaciers as the water acts as a lubricant. We present a new numerical model (CUAS) that generalizes existing approaches by accounting for two different flow situations within a single porous medium layer: (1) a confined aquifer if sufficient water supply is available and (2) an unconfined aquifer, otherwise. The model is applied to artificial scenarios as well as to the Northeast Greenland Ice Stream.
The evolution of subglacial channels below ice sheets is very important for the dynamics of...
