STUDIES OF DAYTIME RADIATION FROM TIROS.
Final rept. for 1 Apr 63-1 Feb 65,
STANFORD RESEARCH INST MENLO PARK CALIF
Pagination or Media Count:
Analysis of a sample of wintertime data from TIROS IV over the United States shows that snow cover and a lowlevel temperature inversion tend to mask the relationship between cloudiness and Channel 2 8-12 microns temperature. However, both Channel 3 0.2-6.0 microns and Channel 5 0.55-0.75 micron describe the cloudiness well. For areas with overcast stratiform cloudiness, data from the solar channels of TIROS III and IV are compared with reports of cloud-ceiling height. High clouds and low-based clouds can be readily distinguished from the radiation data on the basis of low and high albedos, respectively. However, no distinct relation between albedo and ceiling height is evident for the intermediate range of albedos 40 to 60 percent for Channel 5 and 30 to 50 percent for Channel 3. Variations in the solar reflectance measurements with changes in the viewing geometry could not be determined from a sample of closed-mode data because of apparent errors in rectification. A brief resume of contractual work described in previous scientific reports is given. Author