Figure 1: Profile of measured upwelling and downwelling clear sky longwave fluxes measured by radiometers flown on an unmanned aerospace vehicle (UAV) compared to line-by-line model calculations (courtesy of DOE ARM-UAV project).

 
Table 1: An example of spectral band divisions used to model the longwave and shortwave spectral and number of `monochromatic' calculations used in each band for gases given [ Fu and Liou, 1992].

Table 1. An example of spectral band divisions used to model the longwave and shortwave spectral and number of `monochromatic' calculations used in each band for gases given [ Fu and Liou, 1992]. ------------------------------------------------------------------------------ Number of Quadrature Points ------------------------------------------------------------------------------ Spectral HO region (Lines HO (CM) only) CO O CH NO (Continuum) ------------------------------------------------------------------------------ Infrared Spectrum 0-280 8 1 280-400 7 1 400-540 7 1 540-670 5 10 1 670-800 4 8 1 800-980 2 1 980-1100 1 5 1 1100-1250 3 1 1 1 1250-1400 4 1 1 1400-1700 4 1700-1900 3 1900-2200 2 Solar Spectrum 2500-2850 5 2850-4000 12 4000-5250 7 5250-7700 12 7700-14 500 8 ------------------------------------------------------------------------------