31 January 2002 Non-LTE studies for the analysis of MIPAS/ENVISAT data
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Abstract
The Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) is a high-resolution limb sounder on board the European polar platform ENVISAT, scheduled for launch this summer. Three main characteristics converge in MIPAS which make it a very useful instrument for non-LTE studies: its wide spectral coverage (4.15-14.6 micrometers or 680-2275 cm-1); high spectral resolution (0.03 cm-1), and high sensitivity; all of this in addition to its global spatial coverage. In this paper we present an overview of the non-LTE studies that have been carried in preparation for the analysis of MIPAS data, including the evaluation of non-LTE effects in the operational processing, focused in the stratosphere, and the retrieval of species that normally emit under non-LTE conditions. The current mission plan for measuring the non-LTE upper atmosphere is described, as well as the general purpose non-LTE retrieval scheme developed for analyzing those measurements.
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Manuel Lopez-Puertas, Manuel Lopez-Puertas, Bernd Funke, Bernd Funke, M. A. Lupez-Valverde, M. A. Lupez-Valverde, Francisco Javier Martin-Torres, Francisco Javier Martin-Torres, Thomas von Clarmann, Thomas von Clarmann, Gabriele P. Stiller, Gabriele P. Stiller, Hermann Oelhaf, Hermann Oelhaf, Herbert Fischer, Herbert Fischer, Jean-Marie Flaud, Jean-Marie Flaud, } "Non-LTE studies for the analysis of MIPAS/ENVISAT data", Proc. SPIE 4539, Remote Sensing of Clouds and the Atmosphere VI, (31 January 2002); doi: 10.1117/12.454458; https://doi.org/10.1117/12.454458
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