Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 30, issue 14
Articles | Volume 30, issue 14
https://doi.org/10.5194/hess-30-4823-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-4823-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 14
Research article
 | 
30 Jul 2026
Research article |  | 30 Jul 2026

Enhancing runoff-infiltration partitioning in the SVS land surface model improves streamflow simulations under frozen soil conditions

Benjamin Bouchard, Vincent Vionnet, Étienne Gaborit, and Vincent Fortin

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Short summary
Enhancing frozen soil infiltration based on soil liquid water significantly improves streamflow simulation in the SVS land surface model. Tested at over 580 stations in the Great-Lakes and Saint-Lawrence region for five years, this approach can be easily transferred to other land surface models (LSM). Our results suggest that promoting frozen soil infiltration in LSM is key for realistic large-scale streamflow simulations and critical for operational hydrological prediction in cold regions.
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