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Title:
WAMDII: The Wide Angle Michelson Doppler Imaging Interferometer
Publication:
Unknown
Publication Date:
00/1992
Category:
Optics
Origin:
STI
NASA/STI Keywords:
AIRGLOW, ATMOSPHERIC MODELS, ATMOSPHERIC TEMPERATURE, DOPPLER RADAR, MICHELSON INTERFEROMETERS, UPPER ATMOSPHERE, WIND VELOCITY, COMPUTERIZED SIMULATION, DAYTIME, IMAGING TECHNIQUES, LUMINESCENCE, PHOTOCHEMICAL REACTIONS, REENTRY VEHICLES, SOLAR ENERGY, SOLAR FLARES, TEMPERATURE MEASUREMENT, WEATHER
Bibliographic Code:
1992wamd.rept......

Abstract

As part of an effort to learn more about the upper atmosphere and how it is linked to the weather experienced each day, NASA and NRCC are jointly sponsoring the Wide Angle Michelson Doppler Imaging Interferometer (WAMDII) Mission. WAMDII will measure atmospheric temperature and wind speed in the upper atmosphere. In addition to providing data on the upper atmosphere, the wind speed and temperature readings WAMDII takes will also be highly useful in developing and updating computer simulated models of the upper atmosphere. These models are used in the design and testing of equipment and software for Shuttles, satellites, and reentry vehicles. In making its wind speed and temperature measurements, WAMDII examines the Earth's airglow, a faint photochemical luminescence caused by the influx of solar ultraviolet energy into the upper atmosphere. During periods of high solar flare activity, the amount of this UV energy entering the upper atmosphere increases, and this increase may effect airglow emissions.
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