Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 27, issue 24
Articles | Volume 27, issue 24
https://doi.org/10.5194/hess-27-4579-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-27-4579-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 27, issue 24
Research article
 | 
20 Dec 2023
Research article |  | 20 Dec 2023

Prediction of absolute unsaturated hydraulic conductivity – comparison of four different capillary bundle models

Andre Peters, Sascha C. Iden, and Wolfgang Durner

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Short summary
While various expressions for the water retention curve are commonly compared, the capillary conductivity model proposed by Mualem is widely used but seldom compared to alternatives. We compare four different capillary bundle models in terms of their ability to fully predict the hydraulic conductivity. The Mualem model outperformed the three other models in terms of predictive accuracy. Our findings suggest that the widespread use of the Mualem model is justified.
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