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Comparative Accuracy of Diffuse Radiative Properties Computed Using Selected Multiple Scattering Approximations
Publisher: American Meteorological Society
Abstract: Computational results have been obtained for the spherical albedo, global transmission, and global absorption of plane-parallel layers composed of cloud droplets. These computations, obtained using the doubling method for ...
Parameterization of Solar Near-Infrared Radiative Properties of Cloudy Layers
Publisher: American Meteorological Society
Abstract: The process of finding computationally efficient methods to parameterize the effects of the radiative interactions between water vapor absorption and cloud droplet absorption is fraught with complications. Inside a cloud, ...
Infrared Radiative Transfer Through a Regular Array of Cuboidal Clouds
Publisher: American Meteorological Society
Abstract: to scattering clouds using a variable azimuth two-stream (VATS) approximation (Harshvardhan et al., 1981). It is shown that geometrical considerations often dominate over the microphysical aspects of radiative transfer through the clouds. For example...
Comparative Accuracy of Selected Multiple Scattering Approximations
Publisher: American Meteorological Society
Abstract: Computational results have been obtained for the plane albedo, total transmission and fractional absorption of plane-parallel atmospheres composed of cloud droplets. These computations, which were obtained using the doubling ...
Diurnal Variability of the Hydrologic Cycle in a General Circulation Model
Publisher: American Meteorological Society
Abstract: This paper presents an analysis of the diurnal and semidiurnal variability of precipitation, evaporation, precipitable water, horizontal moisture flux convergence, cloudiness, and cloud radiative forcing, as simulated by ...
Earth Radiation Budget and Cloudiness Simulations with a General Circulation Model
Publisher: American Meteorological Society
Abstract: The UCLA/GLA general circulation model has been endowed with new parameterizations of solar and terrestrial radiation, as well as new parameterized cloud optical properties. A simple representation of the cloud liquid water ...
A Model of the Radiative Properties of the EL Chichon Stratospheric Aerosol Layer
Publisher: American Meteorological Society
Abstract: An accurate multiple-scattering model has been employed to examine the effect of an aerosol layer at 25 mb, corresponding to the EL Chichon observations, on the reflection, transmission and absorption of radiation by the ...
Transport of Infrared Radiation in Cuboidal Clouds
Publisher: American Meteorological Society
Abstract: The transport of infrared radiation in a single cuboidal cloud has been modeled using a variable azimuth two-stream (VATS) approximation. Computations have been made at 10 ?m for a Deirmendjian (1969) C-1 water cloud of ...
Relationship between the Longwave Cloud Radiative Forcing at the Surface and the Top of the Atmosphere
Publisher: American Meteorological Society
Abstract: Attempts to map the global longwave surface radiation budget from space have been thwarted by the presence of clouds. Unlike the shortwave, there is no physical relationship between the outgoing longwave and the surface ...
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