Articles | Volume 14, issue 12
https://doi.org/10.5194/tc-14-4611-2020
© Author(s) 2020. 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-14-4611-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
18 Dec 2020
Research article |
| 18 Dec 2020
| 18 Dec 2020
Projecting circum-Arctic excess-ground-ice melt with a sub-grid representation in the Community Land Model
NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research, 5008, Bergen, Norway
Department of Atmospheric Sciences, Yunnan University, 650000, Kunming, China
Hanna Lee
NORCE Norwegian Research Centre, Bjerknes Centre for Climate Research, 5008, Bergen, Norway
Kjetil Schanke Aas
Department of Geosciences, University of Oslo, 0315, Oslo, Norway
Sebastian Westermann
Department of Geosciences, University of Oslo, 0315, Oslo, Norway
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Cited
24 citations as recorded by crossref.
- Ground ice estimation in permafrost samples using industrial computed tomography and multi-sensor core logging and comparison to destructive measurements M. Roustaei et al.
- Evaluating the impact of different freezing-point depression equations on permafrost hydrothermal processes in the Arctic and Qinghai-Tibet Plateau with CLM5.0 S. Wang et al.
- Numerical Assessments of Excess Ice Impacts on Permafrost and Greenhouse Gases in a Siberian Tundra Site Under a Warming Climate H. Park et al.
- The changing thermal state of permafrost S. Smith et al.
- Thawing permafrost is subsiding in the Northern Hemisphere—review and perspectives D. Streletskiy et al.
- Abrupt thaw and its effects on permafrost carbon emissions in the Tibetan Plateau: A remote sensing and modeling perspective Y. Yi et al.
- Permafrost landsystems define regional variability in climate change effects on northern environments S. Kokelj et al.
- Widespread Permafrost Degradation and Thaw Subsidence in Northwest Canada H. O’Neill et al.
- Explicitly modelling microtopography in permafrost landscapes in a land surface model (JULES vn5.4_microtopography) N. Smith et al.
- Revised Understanding of Permafrost Shape: Inclusion of the Transition Zone and Its Climatic and Environmental Significances D. Luo et al.
- Permafrost carbon cycle and its dynamics on the Tibetan Plateau L. Chen et al.
- Unlocking the past: Release of hazardous contaminants into water from thawing permafrost S. Gulfam-E-Jannat et al.
- Vertical distribution of excess ice in icy sediments and its statistical estimation from geotechnical data (Tuktoyaktuk Coastlands and Anderson Plain, Northwest Territories) A. Castagner et al.
- Simulating ice segregation and thaw consolidation in permafrost environments with the CryoGrid community model J. Aga et al.
- Limited control of microtopography evolution on ground subsidence in polygonal tundra landscapes A. Khattak & A. Hamm
- A new approach for evaluating regional permafrost changes: A case study in the Hoh Xil on the interior Qinghai‒Tibet Plateau Y. Zhang et al.
- 多年冻土过渡带研究进展与展望 D. Luo et al.
- Consequences of permafrost degradation for Arctic infrastructure – bridging the model gap between regional and engineering scales T. Schneider von Deimling et al.
- Improving the moving-grid permafrost model to reveal ground deformation and hydrothermal effects caused by permafrost evolution in the source region of the Yangtze river on the Qinghai-Tibet plateau Z. Sun et al.
- Impact of soil heterogeneity and lateral heat fluxes on soil temperature simulations in a permafrost-affected soil M. Thurner et al.
- Effects of Ground Subsidence on Permafrost Simulation Related to Climate Warming Z. Sun et al.
- IPSL-Perm-LandN: improving the IPSL Earth System Model to represent permafrost carbon-nitrogen interactions R. Gaillard et al.
- Near-surface ground ice map of the Northern Hemisphere B. Wang et al.
- Assessing uncertainties in modeling the climate of the Siberian frozen soils by contrasting CMIP6 and LS3MIP Z. Luo et al.
24 citations as recorded by crossref.
- Ground ice estimation in permafrost samples using industrial computed tomography and multi-sensor core logging and comparison to destructive measurements M. Roustaei et al.
- Evaluating the impact of different freezing-point depression equations on permafrost hydrothermal processes in the Arctic and Qinghai-Tibet Plateau with CLM5.0 S. Wang et al.
- Numerical Assessments of Excess Ice Impacts on Permafrost and Greenhouse Gases in a Siberian Tundra Site Under a Warming Climate H. Park et al.
- The changing thermal state of permafrost S. Smith et al.
- Thawing permafrost is subsiding in the Northern Hemisphere—review and perspectives D. Streletskiy et al.
- Abrupt thaw and its effects on permafrost carbon emissions in the Tibetan Plateau: A remote sensing and modeling perspective Y. Yi et al.
- Permafrost landsystems define regional variability in climate change effects on northern environments S. Kokelj et al.
- Widespread Permafrost Degradation and Thaw Subsidence in Northwest Canada H. O’Neill et al.
- Explicitly modelling microtopography in permafrost landscapes in a land surface model (JULES vn5.4_microtopography) N. Smith et al.
- Revised Understanding of Permafrost Shape: Inclusion of the Transition Zone and Its Climatic and Environmental Significances D. Luo et al.
- Permafrost carbon cycle and its dynamics on the Tibetan Plateau L. Chen et al.
- Unlocking the past: Release of hazardous contaminants into water from thawing permafrost S. Gulfam-E-Jannat et al.
- Vertical distribution of excess ice in icy sediments and its statistical estimation from geotechnical data (Tuktoyaktuk Coastlands and Anderson Plain, Northwest Territories) A. Castagner et al.
- Simulating ice segregation and thaw consolidation in permafrost environments with the CryoGrid community model J. Aga et al.
- Limited control of microtopography evolution on ground subsidence in polygonal tundra landscapes A. Khattak & A. Hamm
- A new approach for evaluating regional permafrost changes: A case study in the Hoh Xil on the interior Qinghai‒Tibet Plateau Y. Zhang et al.
- 多年冻土过渡带研究进展与展望 D. Luo et al.
- Consequences of permafrost degradation for Arctic infrastructure – bridging the model gap between regional and engineering scales T. Schneider von Deimling et al.
- Improving the moving-grid permafrost model to reveal ground deformation and hydrothermal effects caused by permafrost evolution in the source region of the Yangtze river on the Qinghai-Tibet plateau Z. Sun et al.
- Impact of soil heterogeneity and lateral heat fluxes on soil temperature simulations in a permafrost-affected soil M. Thurner et al.
- Effects of Ground Subsidence on Permafrost Simulation Related to Climate Warming Z. Sun et al.
- IPSL-Perm-LandN: improving the IPSL Earth System Model to represent permafrost carbon-nitrogen interactions R. Gaillard et al.
- Near-surface ground ice map of the Northern Hemisphere B. Wang et al.
- Assessing uncertainties in modeling the climate of the Siberian frozen soils by contrasting CMIP6 and LS3MIP Z. Luo et al.
Saved (final revised paper)
Latest update: 16 May 2026
Short summary
A sub-grid representation of excess ground ice in the Community Land Model (CLM) is developed as novel progress in modeling permafrost thaw and its impacts under the warming climate. The modeled permafrost degradation with sub-grid excess ice follows the pathway that continuous permafrost transforms into discontinuous permafrost before it disappears, including surface subsidence and talik formation, which are highly permafrost-relevant landscape changes excluded from most land models.
A sub-grid representation of excess ground ice in the Community Land Model (CLM) is developed as...
