Vegetation Tadiative Transfer Based on Virtual Flux Decomposition.
FDM is one-dimension model based on SAIL++ model.
Reference
Vegetation radiative transfer modeling based on virtual flux decomposition
Kallel A., Vegetation radiative transfer modeling based on virtual flux decomposition (2010), Journal of Quantitative Spectroscopy and Radiative Transfer, 111, 1389-1405, DOI: 10.1016/j.jqsrt.2010.02.010.
Extension of virtual flux decomposition model to the case of two vegetation layers: FDM-2
Kallel A., Extension of virtual flux decomposition model to the case of two vegetation layers: FDM-2 (2012), Journal of Quantitative Spectroscopy and Radiative Transfer, 113, 440-460, DOI: 10.1016/j.jqsrt.2012.01.003.