Questions about TL/K_Matrix module about crtmv3 HOT 4 CLOSED

In forward module, this code block is implemented after calling CRTM_Compute_RTSolution twice to compute the RTSolution and RTSolution_Clear for both overcast and clear sky, respectively.

This code block then combines the radiance based on cloud fractions to generate radiance of fractional cloudy sky:

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In TL and K_Matrix modules, this code block is implemented before calling CRTM_Compute_RTSolution, CRTM_Compute_RTSolution_TL, CRTM_Compute_RTSolution_AD, yet in some of these modules, RTSolution and RTSolution_Clear are being re-computed. So I'm trying to understand why these are implemented such way.

For example, in CRTM_Adjoint_Module.f90, twice before calling CRTM_Compute_RTSolution and CRTM_Compute_RTSolution_TL

In CRTM_K_Matrix_Module.f90, multiple times before and after calling CRTM_Compute_RTSolution_AD

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In CRTM_Forward_Module,
line 1024 Error_Status = CRTM_Compute_RTSolution( &
is always used. It can be using 100% cloud even the actual cloud coverage is < 100% or can be for a clear-sky case.
line 1057 Error_Status = CRTM_Compute_RTSolution( & is used for a partially cloud cover case.
Combine the result RTSolution from line 1024 and RTSolution_Clear from line 1057, one can calculate the result for the partially cloud cases.

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Had a meeting and this issue is resolved.

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