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Proceedings Paper

AIRS infrared polarization sensitivity and in-flight observations
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Paper Abstract

The Atmospheric Infrared Sounder (AIRS) is a space-based instrument that measures the upwelling atmospheric spectrum in the infrared. AIRS is one of several instruments on the EOS-Aqua spacecraft launched on May 4, 2002. Typically, instrument polarization is not a concern in the infrared because the scene is usually not significantly polarized. A small amount of polarization is expected over ocean, which can be seen in the AIRS 3.7 mm window channels. The polarization is seen as a signal difference between two channels with the same center frequency but different polarizations. The observations are compared to a model that relies on measurements of instrument polarization made pre-flight. A first look at a comparison of the observations of sea surface polarization to expectations is presented.

Paper Details

Date Published: 26 October 2004
PDF: 8 pages
Proc. SPIE 5542, Earth Observing Systems IX, (26 October 2004); doi: 10.1117/12.557435
Show Author Affiliations
Thomas S. Pagano, Jet Propulsion Lab. (United States)
Hartmut H. Aumann, Jet Propulsion Lab. (United States)
Denis Elliott, Jet Propulsion Lab. (United States)
Steven E. Broberg, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 5542:
Earth Observing Systems IX
William L. Barnes; James J. Butler, Editor(s)

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