Contrast Transmission Data for Clear and Hazy Model Tropical Atmospheres.
RADIATION RESEARCH ASSOCIATES INC FORT WORTH TX
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Monte Carlo data on the scattering of light in both clear and hazy model tropical atmospheres with ground level meteorological ranges of 25 km and 3 km, respectively, were used to compute atmospheric contrast transmission data. The calculated contrast transmission data show the image attenuation effects of the atmosphere between ground level and an airborne observer. Data were computed for both plane parallel and plane isotropic monochromatic light sources incident to the top of each of the model atmospheres. These data can be used to compute contrast reduction by the atmosphere for atmospheres illuminated by sunlight, moonlight, and nightlight. Data are presented that show the variation of the atmospheric contrast transmission function, T sub c, with the source zenith angle, source wavelength, receiver altitude, receiver direction, and background albedo. Author