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RISOne-Parameter Scaling and Exponential-Sum Fitting for Water Vapor and CO2 Infrared Transmission Functions
Publisher: American Meteorological Society
Abstract: A medium-sized band model for water vapor and CO2 absorption is developed using the one-parameter scaling approximation. The infrared spectrum is divided into 10 bands. The Planck-weighted diffuse transmittance is reduced ...
Parameterizations for Water Vapor IR Radiative Transfer in Both the Middle and Lower Atmospheres
Publisher: American Meteorological Society
Abstract: Water vapor contributes a maximum of 1°C/day to the middle atmospheric thermal infrared (IR) cooling. This magnitude is small but not negligible. Because of the small amount of mass involved and the extremely narrow molecular ...
Infrared Radiation Parameterizations for the Minor CO2 Bands and for Several CFC Bands in the Window Region
Publisher: American Meteorological Society
Abstract: Fast and accurate parameterizations have been developed for the transmission functions of the CO2 9.4- and 10.4-?m bands, as well as the CFC-11, CFC-12, and CFC-22 bands located in the 8-12-?m region. The parameterizations ...
Parameterizations for Cloud Overlapping and Shortwave Single-Scattering Properties for Use in General Circulation and Cloud Ensemble Models
Publisher: American Meteorological Society
Abstract: Parameterizations for cloud single-scattering properties and the scaling of optical thickness in a partial cloudiness condition have been developed for use in atmospheric models. Cloud optical properties are parameterized ...