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TC | Volume 13, issue 4
The Cryosphere, 13, 1089–1123, 2019
https://doi.org/10.5194/tc-13-1089-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 13, 1089–1123, 2019
https://doi.org/10.5194/tc-13-1089-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 04 Apr 2019

Research article | 04 Apr 2019

Pathways of ice-wedge degradation in polygonal tundra under different hydrological conditions

Jan Nitzbon et al.
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A 16-year record (2002–2017) of permafrost, active-layer, and meteorological conditions at the Samoylov Island Arctic permafrost research site, Lena River delta, northern Siberia: an opportunity to validate remote-sensing data and land surface, snow, and permafrost models
Julia Boike, Jan Nitzbon, Katharina Anders, Mikhail Grigoriev, Dmitry Bolshiyanov, Moritz Langer, Stephan Lange, Niko Bornemann, Anne Morgenstern, Peter Schreiber, Christian Wille, Sarah Chadburn, Isabelle Gouttevin, Eleanor Burke, and Lars Kutzbach
Earth Syst. Sci. Data, 11, 261–299, https://doi.org/10.5194/essd-11-261-2019,https://doi.org/10.5194/essd-11-261-2019, 2019
Short summary
Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model
Kjetil S. Aas, Léo Martin, Jan Nitzbon, Moritz Langer, Julia Boike, Hanna Lee, Terje K. Berntsen, and Sebastian Westermann
The Cryosphere, 13, 591–609, https://doi.org/10.5194/tc-13-591-2019,https://doi.org/10.5194/tc-13-591-2019, 2019
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Related subject area  
Discipline: Frozen ground | Subject: Numerical Modelling
Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model
Kjetil S. Aas, Léo Martin, Jan Nitzbon, Moritz Langer, Julia Boike, Hanna Lee, Terje K. Berntsen, and Sebastian Westermann
The Cryosphere, 13, 591–609, https://doi.org/10.5194/tc-13-591-2019,https://doi.org/10.5194/tc-13-591-2019, 2019
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Observation and modelling of snow at a polygonal tundra permafrost site: spatial variability and thermal implications
Isabelle Gouttevin, Moritz Langer, Henning Löwe, Julia Boike, Martin Proksch, and Martin Schneebeli
The Cryosphere, 12, 3693–3717, https://doi.org/10.5194/tc-12-3693-2018,https://doi.org/10.5194/tc-12-3693-2018, 2018
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The physical properties of coarse-fragment soils and their effects on permafrost dynamics: a case study on the central Qinghai–Tibetan Plateau
Shuhua Yi, Yujie He, Xinlei Guo, Jianjun Chen, Qingbai Wu, Yu Qin, and Yongjian Ding
The Cryosphere, 12, 3067–3083, https://doi.org/10.5194/tc-12-3067-2018,https://doi.org/10.5194/tc-12-3067-2018, 2018
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Cited articles  
Aas, K. S., Gisnås, K., Westermann, S., and Berntsen, T. K.: A Tiling Approach to Represent Subgrid Snow Variability in Coupled Land Surface–Atmosphere Models, J. Hydrometeorol., 18, 49–63, https://doi.org/10.1175/JHM-D-16-0026.1, 2017. a
Aas, K. S., Martin, L., Nitzbon, J., Langer, M., Boike, J., Lee, H., Berntsen, T. K., and Westermann, S.: Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model, The Cryosphere, 13, 591–609, https://doi.org/10.5194/tc-13-591-2019, 2019. a, b, c, d, e, f, g, h
Abolt, C. J., Young, M. H., and Caldwell, T. G.: Numerical Modelling of Ice-Wedge Polygon Geomorphic Transition, Permafrost Periglac., 28, 347–355, https://doi.org/10.1002/ppp.1909, 2017. a, b
Abolt, C. J., Young, M. H., Atchley, A. L., and Harp, D. R.: Microtopographic control on the ground thermal regime in ice wedge polygons, The Cryosphere, 12, 1957–1968, https://doi.org/10.5194/tc-12-1957-2018, 2018. a, b, c
AMAP: Snow, Water, Ice and Permafrost in the Arctic (SWIPA) – 2017, Arctic Monitoring and Assessment Programme, Oslo, Norway, oCLC: 1038467657, 2017. a
Publications Copernicus
Short summary
We studied the stability of ice wedges (massive bodies of ground ice in permafrost) under recent climatic conditions in the Lena River delta of northern Siberia. For this we used a novel modelling approach that takes into account lateral transport of heat, water, and snow and the subsidence of the ground surface due to melting of ground ice. We found that wetter conditions have a destabilizing effect on the ice wedges and associated our simulation results with observations from the study area.
We studied the stability of ice wedges (massive bodies of ground ice in permafrost) under recent...
Citation