Spatial Characteristics Of Airglow And Solar Scatter Radiance From The Earth's Atmosphere

R. Huguenin; M. Wohlers; M. Weinberg; R. Huffman; R. Eastes; F. Delgreco

doi:10.1117/12.962526

28 December 1989 Spatial Characteristics Of Airglow And Solar Scatter Radiance From The Earth's Atmosphere

R. Huguenin, M. Wohlers, M. Weinberg, R. Huffman, R. Eastes, F. Delgreco

Proceedings Volume 1158, Ultraviolet Technology III; (1989) https://doi.org/10.1117/12.962526
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Data measured by the Polar BEAR/AIRS UV Imager Experiment were processed to extract spatial radiance characteristics. Photometer mode 1304 Å dayside data measured on Julian Day 219, 1987, near mid-day were analyzed. The spatial structure of thermospheric dayside radiance at 1304Å appeared to be controlled principally by turbulence over spatial scales of 107 - 102 meters, with modifications imposed by Rayleigh scattering effects and magnetospherically forced phenomena. Spatial structure can be adequately modeled fractally, using dimensions based on Kolmogorov formalism modified by the Rayleigh scattering phase function. Mean radiance can be modeled using existing models of radiant intensity, resonance scattering, and absorption combined with thermospheric composition and general circulation models, such as MSIS-83, scaled to the mean and RMS intensities measured by Polar BEAR. The results can be incorporated in a background radiance simulation model that will provide a means for testing and refining phenomenological models of the structured earth background. This will be important not only for improving physical and chemical models of atmospheric features and processes, but it will allow parametric predictions of spatial structure and clutter to be developed for sensor modeling applications.

Citation Download Citation

R. Huguenin, M. Wohlers, M. Weinberg, R. Huffman, R. Eastes, and F. Delgreco "Spatial Characteristics Of Airglow And Solar Scatter Radiance From The Earth's Atmosphere", Proc. SPIE 1158, Ultraviolet Technology III, (28 December 1989); https://doi.org/10.1117/12.962526

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