Non-LTE studies for the analysis of MIPAS/ENVISAT data

M. López-Puertas, B. Funke, M. López-Valverde, F. J. Martín-Torres, T. Von Clarmann, G. Stiller, H. Oelhaf, H. Fischer, J. M. Flaud

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

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 late in 2001. 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 μm 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 out in preparation for the analysis of MIPAS data, including the evaluation of non-LTE effects in the operational processing, focussed 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.

Original languageEnglish
Pages (from-to)381-395
Number of pages15
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4539
DOIs
Publication statusPublished - Jan 1 2002
Externally publishedYes

Keywords

  • Atmospheric composition
  • Infrared emissions
  • Non-LTE
  • Remote sounding
  • Retrieval algorithms

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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