| Investigations into Atmospheric Radiative Processes in the 50 - 300 km Regime. (1998) | |||||||||
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| This study describes research into high-altitude infrared (IR) radiance models to describe sources of high-altitude NLTE radiation in the IR spectral region. Many of the models have been combined into SHARC, the Strategic High Altitude Radiance Code. SHARC calculates the radiation from quiescent and auroral atmospheres in the 2-40 micrometer spectral region for arbitrary paths that lie above 50 km, including space viewing. In related activities, analyses of data taken under the SPIRIT and EXCEDE programs have been analyzed. The SPIRIT 1 data were used to study Osub3, NO, and COsub2 IR Emissions. The EXCEDE flight in April 1990 observed atmospheric emissions following excitation by an electric beam. Models for new applications of the Impulse Approximation for low-energy collision processes and for precise calculations of the ground state structure of atomic oxygen are also presented. | |||||||||
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