This module computes the emissivity of a layer above a
rough soil surface, using the I
2EM model.
The top boundary is assumed to be planar, but the lower
boundary can be rough.
Various parameters of each layer can be specified, such as the
dielectric constant
ϵ =
ϵ' -j
ϵ'',
the parameters of the
correlation function, and the single-scattering albedo,
the extinction coefficient, and the
depth of the vegetation layer.
The ground surface roughness is constrained to ( rms height /
correlation length ) ≤ 0.25.