A sample of winter time data from the solar channels of TIROS IV over the eastern Pacific is examined to determine the dependence of the albedo on the anisotropy of scattered and reflected solar radiation. The analysis shows a significant increase in cloud albedo when the scattering angle decreases between 90 and 53 degrees. Data collected from the two solar channels of TIROS IV reveal a compatibility superior to that of similar data from the early orbits of TIROS III. Synoptic-scale cloud patterns shown in the photographs from TIROS IV are identified in the pattern analyses of coincident radiation data from Channels 2, 3, and 5. Data from the solar channels from three separate orbits, over backgrounds with varying cloudiness, are examined for degradation in instrumental response. Except possibly for the first few orbits, no physical interpretation can be attached to variations of the low-flux data from the solar channels. (Author)
Scientific rept. no. 4
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