Infiltration from the Pedon to Global Grid Scales: An Overview and Outlook for Land Surface Modeling - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Vadose Zone Journal Year : 2019

Infiltration from the Pedon to Global Grid Scales: An Overview and Outlook for Land Surface Modeling

Harry Vereecken
  • Function : Author
Shmuel Assouline
  • Function : Author
Michael Herbst
  • Function : Author
  • PersonId : 959602
Nicole Archer
  • Function : Author
Binayak Mohanty
  • Function : Author
Jan Vanderborght
  • Function : Author
  • PersonId : 959600
Michel Bechtold
  • Function : Author
Aaron Boone
Matthias Cuntz
David M Lawrence
  • Function : Author
Qian Li
  • Function : Author
  • PersonId : 1030067
Dani Or
  • Function : Author
Sean Swenson
  • Function : Author
Philipp de Vrese
  • Function : Author
Robert Walko
  • Function : Author
Yihua Wu
  • Function : Author


Infiltration in soils is a key process that partitions precipitation at the land surface into surface runoff and water that enters the soil profile. We reviewed the basic principles of water infiltration in soils and we analyzed approaches commonly used in land surface models (LSMs) to quantify infiltration as well as its numerical implementation and sensitivity to model parameters. We reviewed methods to upscale infiltration from the point to the field, hillslope, and grid cell scales of LSMs. Despite the progress that has been made, upscaling of local-scale infiltration processes to the grid scale used in LSMs is still far from being treated rigorously. We still lack a consistent theoretical framework to predict effective fluxes and parameters that control infiltration in LSMs. Our analysis shows that there is a large variety of approaches used to estimate soil hydraulic properties. Novel, highly resolved soil information at higher resolutions than the grid scale of LSMs may help in better quantifying subgrid variability of key infiltration parameters. Currently, only a few LSMs consider the impact of soil structure on soil hydraulic properties. Finally, we identified several processes not yet considered in LSMs that are known to strongly influence infiltration. Especially, the impact of soil structure on infiltration requires further research. To tackle these challenges and integrate current knowledge on soil processes affecting infiltration processes into LSMs, we advocate a stronger exchange and scientific interaction between the soil and the land surface modeling communities.
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Dates and versions

hal-02165403 , version 1 (25-06-2019)




Harry Vereecken, Lutz Weihermüller, Shmuel Assouline, Anne Verhoef, Michael Herbst, et al.. Infiltration from the Pedon to Global Grid Scales: An Overview and Outlook for Land Surface Modeling. Vadose Zone Journal, 2019, 18 (1), pp.0. ⟨10.2136/vzj2018.10.0191⟩. ⟨hal-02165403⟩
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