Robust algorithm for correcting the layer problem in lowtran

Abstract

The thermal emission problem in LOWTRAN associated with the choice of altitude layers is corrected by developing a more sophisticated approximation to the integral in the equation of radiative transfer.

Development of Atmospheric Infrared Emission Models

“…The question remains as to how the L shaped path (observer to scattering point to sun) transmittance from absorption varies with the LOS scattering transmittance In deriving an expression for the layer thermal emission, Cornette 80 assumed that transmission from absorption and scattering both varied exponentially across a layer. This is equivalent to the assumption of equal effective absorption and scattering scale heights within a layer.…”