Is there any infiltration model in consideration of forest litter layer?
And which model is the most suitable for infiltration process in forest land, especially for single-point rainfall infiltration?
Thank u all!~
I know of no infiltration model that considers the litter layer. On the other hand, the use of models, especially in forest soils, can be very problematic, since the vegetation cover and litter, introduced major changes in rainfall distribution in the soil and therefore infiltration
WARMF model simulates the infiltration through litter layer. The layer has zero infiltration when the soil moisture is low, which makes the litter hydrophobic. The model dynamically calculates the infiltration rate as a function of soil moisture content. The infiltration rate increases with moisture after initial wetting. Please Google WARMF for additional information.
In addition to suggestions above, you can start with some basic models listed below and calibrate for your field conditions. Some models that you could explore are:
http://watershed.for.unb.ca/research/forhym/
https://www.ncbi.nlm.nih.gov/pubmed/22565258
http://www.wsl.ch/fe/landschaftsdynamik/projekte/FORHYCS/index_EN
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