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Several currently available broadband parameterizations for longwave and shortwave radiation have been combined to produce a computationally fast radiation parameterization that is well suited for atmospheric circulation models. The main features of the parameterization are the ability to include overlapping partly cloudy layers in the longwave, the use of a delta‐Eddington technique to treat clouds in the shortwave, and a computational structure that is amenable to vectorization on supercomputers. Selected results of off‐line one‐dimensional computations using the code have been compared with more rigorous methods as part of an international intercomparison program and found to be quite accurate.
Harshvardhan et al. (Tue,) studied this question.