Articles | Volume 27, issue 2
https://doi.org/10.5194/hess-27-431-2023
https://doi.org/10.5194/hess-27-431-2023
Research article
 | 
19 Jan 2023
Research article |  | 19 Jan 2023

Numerical assessment of morphological and hydraulic properties of moss, lichen and peat from a permafrost peatland

Simon Cazaurang, Manuel Marcoux, Oleg S. Pokrovsky, Sergey V. Loiko, Artem G. Lim, Stéphane Audry, Liudmila S. Shirokova, and Laurent Orgogozo

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Latest update: 24 Jul 2024
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Short summary
Moss, lichen and peat samples are reconstructed using X-ray tomography. Most samples can be cut down to a representative volume based on porosity. However, only homogeneous samples could be reduced to a representative volume based on hydraulic conductivity. For heterogeneous samples, a devoted pore network model is computed. The studied samples are mostly highly porous and water-conductive. These results must be put into perspective with compressibility phenomena occurring in field tests.