COMPARISON OF ATMOSPHERIC PATH RADIANCE CALCULATIONS FOR MODEL CLEAR AND HAZY ATMOSPHERES,
Abstract
The LITE-IV Monte Carlo Program was used to calculate ground reflectances and path radiances as a function of altitude and direction for a model atmosphere with a haze layer between the ground and an altitude of 3 km. Broad beam monodirectional monochromatic light sources ranging in wavelength from 0.35 to 0.95 microns were assumed incident to the model atmosphere at zenith angles ranging from 0 to 87.5 degrees. The atmosphere was assumed to be bounded on the lower surface by a Lambert type reflection surface having an albedo ranging from 0.0 to 0.9. The haze layer was defined by adding aerosols below three km altitudes to a model clear atmosphere so that the ground level meteorological range was reduced from 25 to 3 km. Several comparisons of the calculated ground reflectances and path radiances for the model hazy atmosphere are made with previously reported data for a model clear atmosphere illustrating some of the effects of adding a haze layer to the atmosphere. The effects of ground albedo, angles of observations, and angle of incidence on the calculated path radiances are shown for the hazy atmosphere. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 15, 1968
- Accession Number
- AD0681122
Entities
People
- Dave G. Collins
- Michael B. Wells