Global distributions of HO2NO2 as observed by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)

Gabriele P. Stiller, T. von Clarmann, C. Brühl, H. Fischer, B. Funke, N. Glatthor, U. Grabowski, M. Höpfner, P. Jöckel, S. Kellmann, M. Kiefer, A. Linden, M. López-Puertas, G. Mengistu Tsidu, M. Milz, T. Steck, B. Steil

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Abstract

Stratospheric and upper tropospheric distributions of peroxynitric acid (HO2NO2) were retrieved from limb infrared spectral measurements of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Environmental Satellite (ENVISAT). Single-profile precisions are estimated at 6-14 parts per trillion by volume (pptv) in the altitude range 7-17 km and 19-34 pptv from 17 to 42 km. The vertical resolution is 5 km in the upper tropospheric and stratospheric maxima. Highest stratospheric volume mixing ratios (VMRs) reaching 310 pptv at 27 km are observed at solstice conditions in subtropical latitudes and midlatitudes at the nighttime summer hemisphere, while lowest stratospheric peak VMRs as low as 38 pptv are found during polar winter near the pole. A second maximum in the upper troposphere and lower stratosphere appears from spring to the end of summer with maximum values of 80 pptv between 7 and 14 km. Retrievals based on spectroscopic line list data instead of absorption cross sections produce HO2NO2 distributions smaller by a factor of 1.5, on average. Earlier HO2NO2 measurements from balloon instruments are in good general agreement with the presented data set if the same spectroscopic data are used. Comparisons of MIPAS HO2NO2 distributions to results of the fifth-generation European Centre Hamburg general circulation model/ Modular Earth Submodel System 1 (ECHAM5/MESSy1) provide agreement within 20% if near-infrared photolysis is considered. With the newly available tabulated absorption cross sections and the improved photolysis modeling, former discrepancies between HO2NO2 observations and model calculations can be considered to be largely resolved.

Original languageEnglish
Article numberD09314
JournalJournal of Geophysical Research Atmospheres
Volume112
Issue number9
DOIs
Publication statusPublished - May 16 2007

Fingerprint

MIPAS
atmospheric sounding
Michelson interferometers
Upper atmosphere
Photolysis
mixing ratios
photolysis
mixing ratio
Infrared radiation
absorption cross sections
summer
Troposphere
Balloons
cross section
solstices
Poles
temperate regions
Earth (planet)
balloons
stratosphere

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Atmospheric Science
  • Astronomy and Astrophysics
  • Oceanography

Cite this

Stiller, Gabriele P. ; von Clarmann, T. ; Brühl, C. ; Fischer, H. ; Funke, B. ; Glatthor, N. ; Grabowski, U. ; Höpfner, M. ; Jöckel, P. ; Kellmann, S. ; Kiefer, M. ; Linden, A. ; López-Puertas, M. ; Tsidu, G. Mengistu ; Milz, M. ; Steck, T. ; Steil, B. / Global distributions of HO2NO2 as observed by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). In: Journal of Geophysical Research Atmospheres. 2007 ; Vol. 112, No. 9.
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abstract = "Stratospheric and upper tropospheric distributions of peroxynitric acid (HO2NO2) were retrieved from limb infrared spectral measurements of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Environmental Satellite (ENVISAT). Single-profile precisions are estimated at 6-14 parts per trillion by volume (pptv) in the altitude range 7-17 km and 19-34 pptv from 17 to 42 km. The vertical resolution is 5 km in the upper tropospheric and stratospheric maxima. Highest stratospheric volume mixing ratios (VMRs) reaching 310 pptv at 27 km are observed at solstice conditions in subtropical latitudes and midlatitudes at the nighttime summer hemisphere, while lowest stratospheric peak VMRs as low as 38 pptv are found during polar winter near the pole. A second maximum in the upper troposphere and lower stratosphere appears from spring to the end of summer with maximum values of 80 pptv between 7 and 14 km. Retrievals based on spectroscopic line list data instead of absorption cross sections produce HO2NO2 distributions smaller by a factor of 1.5, on average. Earlier HO2NO2 measurements from balloon instruments are in good general agreement with the presented data set if the same spectroscopic data are used. Comparisons of MIPAS HO2NO2 distributions to results of the fifth-generation European Centre Hamburg general circulation model/ Modular Earth Submodel System 1 (ECHAM5/MESSy1) provide agreement within 20{\%} if near-infrared photolysis is considered. With the newly available tabulated absorption cross sections and the improved photolysis modeling, former discrepancies between HO2NO2 observations and model calculations can be considered to be largely resolved.",
author = "Stiller, {Gabriele P.} and {von Clarmann}, T. and C. Br{\"u}hl and H. Fischer and B. Funke and N. Glatthor and U. Grabowski and M. H{\"o}pfner and P. J{\"o}ckel and S. Kellmann and M. Kiefer and A. Linden and M. L{\'o}pez-Puertas and Tsidu, {G. Mengistu} and M. Milz and T. Steck and B. Steil",
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Stiller, GP, von Clarmann, T, Brühl, C, Fischer, H, Funke, B, Glatthor, N, Grabowski, U, Höpfner, M, Jöckel, P, Kellmann, S, Kiefer, M, Linden, A, López-Puertas, M, Tsidu, GM, Milz, M, Steck, T & Steil, B 2007, 'Global distributions of HO2NO2 as observed by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)', Journal of Geophysical Research Atmospheres, vol. 112, no. 9, D09314. https://doi.org/10.1029/2006JD007212

Global distributions of HO2NO2 as observed by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS). / Stiller, Gabriele P.; von Clarmann, T.; Brühl, C.; Fischer, H.; Funke, B.; Glatthor, N.; Grabowski, U.; Höpfner, M.; Jöckel, P.; Kellmann, S.; Kiefer, M.; Linden, A.; López-Puertas, M.; Tsidu, G. Mengistu; Milz, M.; Steck, T.; Steil, B.

In: Journal of Geophysical Research Atmospheres, Vol. 112, No. 9, D09314, 16.05.2007.

Research output: Contribution to journalArticle

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T1 - Global distributions of HO2NO2 as observed by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)

AU - Stiller, Gabriele P.

AU - von Clarmann, T.

AU - Brühl, C.

AU - Fischer, H.

AU - Funke, B.

AU - Glatthor, N.

AU - Grabowski, U.

AU - Höpfner, M.

AU - Jöckel, P.

AU - Kellmann, S.

AU - Kiefer, M.

AU - Linden, A.

AU - López-Puertas, M.

AU - Tsidu, G. Mengistu

AU - Milz, M.

AU - Steck, T.

AU - Steil, B.

PY - 2007/5/16

Y1 - 2007/5/16

N2 - Stratospheric and upper tropospheric distributions of peroxynitric acid (HO2NO2) were retrieved from limb infrared spectral measurements of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Environmental Satellite (ENVISAT). Single-profile precisions are estimated at 6-14 parts per trillion by volume (pptv) in the altitude range 7-17 km and 19-34 pptv from 17 to 42 km. The vertical resolution is 5 km in the upper tropospheric and stratospheric maxima. Highest stratospheric volume mixing ratios (VMRs) reaching 310 pptv at 27 km are observed at solstice conditions in subtropical latitudes and midlatitudes at the nighttime summer hemisphere, while lowest stratospheric peak VMRs as low as 38 pptv are found during polar winter near the pole. A second maximum in the upper troposphere and lower stratosphere appears from spring to the end of summer with maximum values of 80 pptv between 7 and 14 km. Retrievals based on spectroscopic line list data instead of absorption cross sections produce HO2NO2 distributions smaller by a factor of 1.5, on average. Earlier HO2NO2 measurements from balloon instruments are in good general agreement with the presented data set if the same spectroscopic data are used. Comparisons of MIPAS HO2NO2 distributions to results of the fifth-generation European Centre Hamburg general circulation model/ Modular Earth Submodel System 1 (ECHAM5/MESSy1) provide agreement within 20% if near-infrared photolysis is considered. With the newly available tabulated absorption cross sections and the improved photolysis modeling, former discrepancies between HO2NO2 observations and model calculations can be considered to be largely resolved.

AB - Stratospheric and upper tropospheric distributions of peroxynitric acid (HO2NO2) were retrieved from limb infrared spectral measurements of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on board the Environmental Satellite (ENVISAT). Single-profile precisions are estimated at 6-14 parts per trillion by volume (pptv) in the altitude range 7-17 km and 19-34 pptv from 17 to 42 km. The vertical resolution is 5 km in the upper tropospheric and stratospheric maxima. Highest stratospheric volume mixing ratios (VMRs) reaching 310 pptv at 27 km are observed at solstice conditions in subtropical latitudes and midlatitudes at the nighttime summer hemisphere, while lowest stratospheric peak VMRs as low as 38 pptv are found during polar winter near the pole. A second maximum in the upper troposphere and lower stratosphere appears from spring to the end of summer with maximum values of 80 pptv between 7 and 14 km. Retrievals based on spectroscopic line list data instead of absorption cross sections produce HO2NO2 distributions smaller by a factor of 1.5, on average. Earlier HO2NO2 measurements from balloon instruments are in good general agreement with the presented data set if the same spectroscopic data are used. Comparisons of MIPAS HO2NO2 distributions to results of the fifth-generation European Centre Hamburg general circulation model/ Modular Earth Submodel System 1 (ECHAM5/MESSy1) provide agreement within 20% if near-infrared photolysis is considered. With the newly available tabulated absorption cross sections and the improved photolysis modeling, former discrepancies between HO2NO2 observations and model calculations can be considered to be largely resolved.

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