Retrieval of temperature and tangent altitude pointing from limb emission spectra recorded from space by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)

T. von Clarmann, N. Glatthor, U. Grabowski, M. Höpfner, S. Kellmann, M. Kiefer, A. Linden, G. M. Tsidu, M. Milz, T. Steck, G. P. Stiller, D. Y. Wang, H. Fischer, B. Funke, S. Gil-López, M. López-Puertas

Research output: Contribution to journalArticle

193 Citations (Scopus)

Abstract

Retrieval of abundances of atmospheric species from limb infrared emission spectra requires accurate knowledge of the pointing of the instrument in terms of elevation, as well as temperature and pressure profiles. An optimal estimation-based method is presented to infer these quantities from measured spectra. The successful and efficient joint retrieval of these largely correlated quantities depends strongly on the proper selection of the retrieval space, the selection of spectral microwindows, and the choice of reasonable constraints which force the solution to be stable. The proposed strategy was applied to limb emission spectra recorded with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Envisat research satellite in order to validate the instrument pointing information based on the satellite's orbit and attitude control system which uses star tracker information as a reference. Both systematic and periodic pointing calibration errors were detected, which meanwhile have been corrected to a major part. Furthermore, occasional pitch jumps were detected, which could be assigned to parameter uploads to the satellite's orbit and attitude control system. It has been shown that in general, it is justified to assume local thermodynamic equilibrium below 60 km for these purposes. The retrieval method presented has been proven to be suitable for independent monitoring of MIPAS line-of-sight pointing.

Original languageEnglish
JournalJournal of Geophysical Research D: Atmospheres
Volume108
Issue number23
Publication statusPublished - Dec 16 2003

Fingerprint

MIPAS
atmospheric sounding
Michelson interferometers
limbs
tangents
retrieval
limb
emission spectra
orbits
Attitude control
Satellites
satellite orbits
attitude control
control system
Orbits
Star trackers
Control systems
temperature
star trackers
thermodynamics

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Oceanography
  • Forestry
  • Ecology
  • Aquatic Science
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

Cite this

von Clarmann, T. ; Glatthor, N. ; Grabowski, U. ; Höpfner, M. ; Kellmann, S. ; Kiefer, M. ; Linden, A. ; Tsidu, G. M. ; Milz, M. ; Steck, T. ; Stiller, G. P. ; Wang, D. Y. ; Fischer, H. ; Funke, B. ; Gil-López, S. ; López-Puertas, M. / Retrieval of temperature and tangent altitude pointing from limb emission spectra recorded from space by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). In: Journal of Geophysical Research D: Atmospheres. 2003 ; Vol. 108, No. 23.
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title = "Retrieval of temperature and tangent altitude pointing from limb emission spectra recorded from space by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)",
abstract = "Retrieval of abundances of atmospheric species from limb infrared emission spectra requires accurate knowledge of the pointing of the instrument in terms of elevation, as well as temperature and pressure profiles. An optimal estimation-based method is presented to infer these quantities from measured spectra. The successful and efficient joint retrieval of these largely correlated quantities depends strongly on the proper selection of the retrieval space, the selection of spectral microwindows, and the choice of reasonable constraints which force the solution to be stable. The proposed strategy was applied to limb emission spectra recorded with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Envisat research satellite in order to validate the instrument pointing information based on the satellite's orbit and attitude control system which uses star tracker information as a reference. Both systematic and periodic pointing calibration errors were detected, which meanwhile have been corrected to a major part. Furthermore, occasional pitch jumps were detected, which could be assigned to parameter uploads to the satellite's orbit and attitude control system. It has been shown that in general, it is justified to assume local thermodynamic equilibrium below 60 km for these purposes. The retrieval method presented has been proven to be suitable for independent monitoring of MIPAS line-of-sight pointing.",
author = "{von Clarmann}, T. and N. Glatthor and U. Grabowski and M. H{\"o}pfner and S. Kellmann and M. Kiefer and A. Linden and Tsidu, {G. M.} and M. Milz and T. Steck and Stiller, {G. P.} and Wang, {D. Y.} and H. Fischer and B. Funke and S. Gil-L{\'o}pez and M. L{\'o}pez-Puertas",
year = "2003",
month = "12",
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journal = "Journal of Geophysical Research",
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von Clarmann, T, Glatthor, N, Grabowski, U, Höpfner, M, Kellmann, S, Kiefer, M, Linden, A, Tsidu, GM, Milz, M, Steck, T, Stiller, GP, Wang, DY, Fischer, H, Funke, B, Gil-López, S & López-Puertas, M 2003, 'Retrieval of temperature and tangent altitude pointing from limb emission spectra recorded from space by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)', Journal of Geophysical Research D: Atmospheres, vol. 108, no. 23.

Retrieval of temperature and tangent altitude pointing from limb emission spectra recorded from space by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). / von Clarmann, T.; Glatthor, N.; Grabowski, U.; Höpfner, M.; Kellmann, S.; Kiefer, M.; Linden, A.; Tsidu, G. M.; Milz, M.; Steck, T.; Stiller, G. P.; Wang, D. Y.; Fischer, H.; Funke, B.; Gil-López, S.; López-Puertas, M.

In: Journal of Geophysical Research D: Atmospheres, Vol. 108, No. 23, 16.12.2003.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Retrieval of temperature and tangent altitude pointing from limb emission spectra recorded from space by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)

AU - von Clarmann, T.

AU - Glatthor, N.

AU - Grabowski, U.

AU - Höpfner, M.

AU - Kellmann, S.

AU - Kiefer, M.

AU - Linden, A.

AU - Tsidu, G. M.

AU - Milz, M.

AU - Steck, T.

AU - Stiller, G. P.

AU - Wang, D. Y.

AU - Fischer, H.

AU - Funke, B.

AU - Gil-López, S.

AU - López-Puertas, M.

PY - 2003/12/16

Y1 - 2003/12/16

N2 - Retrieval of abundances of atmospheric species from limb infrared emission spectra requires accurate knowledge of the pointing of the instrument in terms of elevation, as well as temperature and pressure profiles. An optimal estimation-based method is presented to infer these quantities from measured spectra. The successful and efficient joint retrieval of these largely correlated quantities depends strongly on the proper selection of the retrieval space, the selection of spectral microwindows, and the choice of reasonable constraints which force the solution to be stable. The proposed strategy was applied to limb emission spectra recorded with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Envisat research satellite in order to validate the instrument pointing information based on the satellite's orbit and attitude control system which uses star tracker information as a reference. Both systematic and periodic pointing calibration errors were detected, which meanwhile have been corrected to a major part. Furthermore, occasional pitch jumps were detected, which could be assigned to parameter uploads to the satellite's orbit and attitude control system. It has been shown that in general, it is justified to assume local thermodynamic equilibrium below 60 km for these purposes. The retrieval method presented has been proven to be suitable for independent monitoring of MIPAS line-of-sight pointing.

AB - Retrieval of abundances of atmospheric species from limb infrared emission spectra requires accurate knowledge of the pointing of the instrument in terms of elevation, as well as temperature and pressure profiles. An optimal estimation-based method is presented to infer these quantities from measured spectra. The successful and efficient joint retrieval of these largely correlated quantities depends strongly on the proper selection of the retrieval space, the selection of spectral microwindows, and the choice of reasonable constraints which force the solution to be stable. The proposed strategy was applied to limb emission spectra recorded with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Envisat research satellite in order to validate the instrument pointing information based on the satellite's orbit and attitude control system which uses star tracker information as a reference. Both systematic and periodic pointing calibration errors were detected, which meanwhile have been corrected to a major part. Furthermore, occasional pitch jumps were detected, which could be assigned to parameter uploads to the satellite's orbit and attitude control system. It has been shown that in general, it is justified to assume local thermodynamic equilibrium below 60 km for these purposes. The retrieval method presented has been proven to be suitable for independent monitoring of MIPAS line-of-sight pointing.

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