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https://doi.org/10.5194/egusphere-2024-2690
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/egusphere-2024-2690
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
18 Sep 2024
| 18 Sep 2024
Status: this preprint is open for discussion.
Brief Communication: Mimicking periglacial landforms and processes in an ice-rich layered permafrost system with polydispersed melamine materials: a new concept
Abstract. This paper presents results on testing polydisperse melamine material versus sand for laboratory ice-rich layered soil system under thawing conditions. We demonstrate the potential of using polydisperse melamine particles in the aim of mimicking the permafrost geomorphological degradations and landslide found in periglacial field environments. We stress that this type of particles, designed for flow and sedimentary processes in river due to their light particle density and the granulometric size they span, are as well adequate for modeling more realistic geomorphological thawing features observed in cryosphere environments such as slump blocks.
How to cite. Léger, E., Costard, F., Lambert, R., Saintenoy, A., Séjourné, A., and Leblanc, M.: Brief Communication: Mimicking periglacial landforms and processes in an ice-rich layered permafrost system with polydispersed melamine materials: a new concept, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-2690, 2024.
Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
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Emmanuel Léger
CORRESPONDING AUTHOR
Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
François Costard
Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
Rémi Lambert
Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
Albane Saintenoy
Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
Antoine Séjourné
Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
Maxime Leblanc
Université Paris-Saclay, CNRS, GEOPS, 91405, Orsay, France
Short summary
This study explores the use of lightweight plastic particles for reproducing terrestrial geomorphological cryo-induced features at laboratory scale within permafrost/active layer thawing experiment. We show that, due to their small density and peculiar hydrodynamic parameters, these lightweight particles, originally designed for river sediment deposit and erosion are suitable for re-creating cryo-induced 3D geomorphological features found in terrestrial Retrogressive Thaw Slump.
This study explores the use of lightweight plastic particles for reproducing terrestrial...