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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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https://doi.org/10.5194/amt-2017-350
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
10 Oct 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Atmospheric Measurement Techniques (AMT).
Derivation of horizontal and vertical wavelengths using a scanning OH(3-1) airglow spectrometer
Sabine Wüst1, Thomas Offenwanger1, Carsten Schmidt1, Michael Bittner1,2, Christoph Jacobi3, Gunter Stober4, Jeng-Hwa Yee5, Martin G. Mlynczak6, and James M. Russell III7 1Deutsches Zentrum für Luft- und Raumfahrt, Deutsches Fernerkundungsdatenzentrum, 82234 Oberpfaffenhofen, Germany
2Universität Augsburg, Institut für Physik, Augsburg, Germany
3Universität Leipzig, Institut für Meteorologie, Leipzig, Germany
4Institut für Atmosphärenphysik, Kühlungsborn, Germany
5Applied Physics Laboratory, The Johns Hopkins University, Laurel, USA
6NASA Langley Research Center, Hampton, USA
7Center for Atmospheric Sciences, Hampton, USA
Abstract. For the first time, we present an approach to derive zonal, meridional and vertical wavelengths as well as periods of gravity waves based on only one OH* spectrometer addressing one vibrational-rotational transition. Knowledge of these parameters is a precondition for the calculation of further information such as the wave group velocity vector.

OH(3-1) spectrometer measurements allow the analysis of gravity wave periods, but spatial information cannot necessarily be deduced. We use a scanning spectrometer and the harmonic analysis to derive horizontal wavelengths at the mesopause above Oberpfaffenhofen (48.09 °N, 11.28 °E), Germany for 22 nights in 2015. Based on the approximation of the dispersion relation for gravity waves of low and medium frequency and additional horizontal wind information, we calculate vertical wavelengths afterwards. The mesopause wind measurements nearest to Oberpfaffenhofen are conducted at Collm (51.30 °N, 13.02 °E), Germany, ca. 380 km northeast of Oberfpaffenhofen by a meteor radar.

In order to check our results, vertical temperature profiles of TIMED-SABER (Thermosphere Ionosphere Mesosphere Energetics Dynamics, Sounding of the Atmosphere using Broadband Emission Radiometry) overpasses are analysed with respect to the dominating vertical wavelength.


Citation: Wüst, S., Offenwanger, T., Schmidt, C., Bittner, M., Jacobi, C., Stober, G., Yee, J.-H., Mlynczak, M. G., and Russell III, J. M.: Derivation of horizontal and vertical wavelengths using a scanning OH(3-1) airglow spectrometer, Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2017-350, in review, 2017.
Sabine Wüst et al.
Sabine Wüst et al.
Sabine Wüst et al.

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