In situ photometric observations of angular scattering from atmospheric aerosols.
A large polar nephelometer was flown on a high-altitude balloon to 26.6 km over New Mexico in June 1974 just before the incursion of Fuego volcanic dust. Angular-scattering intensity and polarization observations depict the vertical structure of absolute optical parameters and, as a result, the distribution of atmospheric aerosols. An uncommon phenomenon was detected at 25 km: a stratospheric cloud near the San Andres mountains. These data are compared to findings from a previous flight in November 1970 in which significant altitudinal variability in the atmospheric scattering phase function was evident.
Gibson
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