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

    Research output: Contribution to journalArticle

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

    TY - JOUR

    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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