Temperature retrieval from cloud-top through lower thermosphere using broadband solar occultation

Larry L. Gordley; Benjamin T. Marshall; Mark E. Hervig; Robert E. Thompson; Martin J. McHugh

doi:10.1117/12.561197

4 November 2004 Temperature retrieval from cloud-top through lower thermosphere using broadband solar occultation

Larry L. Gordley, Benjamin T. Marshall, Mark E. Hervig, Robert E. Thompson, Martin J. McHugh

Proceedings Volume 5543, Infrared Spaceborne Remote Sensing XII; (2004) https://doi.org/10.1117/12.561197
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Accurate temperature and pressure profiles are the key to high quality retrievals from solar occultation measurements. For best results these profiles should be retrieved from measurements that have an identical field-of-view and are simultaneous, with companion measurements. We explore three general methods, corresponding implementation strategies and their major error sources. These methods include: 1) one or more channels sensing CO₂ extinction, 2) a single channel using the oxygen A band, and 3) use of refraction angle measurements to infer temperature from density derivatives (limited to the stratosphere). It is shown that extraordinary results can be achieved if high precision solar tracking, and solar pointing knowledge, are accomplished.

Citation Download Citation

Larry L. Gordley, Benjamin T. Marshall, Mark E. Hervig, Robert E. Thompson, and Martin J. McHugh "Temperature retrieval from cloud-top through lower thermosphere using broadband solar occultation", Proc. SPIE 5543, Infrared Spaceborne Remote Sensing XII, (4 November 2004); https://doi.org/10.1117/12.561197

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