Far-infrared radiometer to map OH in the middle atmosphere

Nolt, I. G., Radostitz, J. V., Chance, K. V., Traub, W. A. and Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401 1985. Far-infrared radiometer to map OH in the middle atmosphere. Presented at: AIAA ,Earth Observing Systems :EOS - A Subset of Space Station Conference, Virginia Beach, VA, 8-10 Oct. 1985. NASA; United States: American Institute of Aeronautics and Astronautics (AIAA), p. 6. 10.2514/6.1985-3007

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Abstract

A baseline design is evaluated for a far-infrared radiometer to map global concentration profiles of OH from a satellite platform. The instrument performance is modeled using the spectral database and radiative transfer models developed from recent balloon-based studies of the upper atmosphere. The results indicate that the OH concentration can be measured by limb sounding with 10-percent accuracy in the region of its peak concentration near 40 km, but with useful data for the altitude range between 25 and 120 km. The resolution is 3.5 km in the vertical and 500 km in the horizontal direction. The same technique in principle can be expanded in a multichannel mode to address other related species, e.g. H2O, O3, and HO2, which have accessible rotational emission features in the far-infrared spectral region.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	Atmospheric Composition, Hydroxyl Radicals, Infrared Radiometers, Infrared Scanners, Middle Atmosphere, Emission Spectra, Far Infrared Radiation, Molecular Spectra, Satellite Observation, Signal To Noise Ratios
Publisher:	American Institute of Aeronautics and Astronautics (AIAA)
Related URLs:	Organisation
Last Modified:	28 Oct 2022 09:40
URI:	https://orca.cardiff.ac.uk/id/eprint/75286

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