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Volume 11, issue 8 | Copyright
Atmos. Meas. Tech., 11, 4891-4907, 2018
https://doi.org/10.5194/amt-11-4891-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 27 Aug 2018

Research article | 27 Aug 2018

Retrieving horizontally resolved wind fields using multi-static meteor radar observations

Gunter Stober1, Jorge L. Chau1, Juha Vierinen2, Christoph Jacobi3, and Sven Wilhelm1 Gunter Stober et al.
  • 1Leibniz-Institute of Atmospheric Physics, Schlossstr. 6, 18225 Kühlungsborn, Germany
  • 2Department of Physics and Technology, The Arctic University of Norway, Tromsø, Norway
  • 3Institute for Meteorology, Universität Leipzig, Stephanstr. 3, 04103 Leipzig, Germany

Abstract. Recently, the MMARIA (Multi-static, Multi-frequency Agile Radar for Investigations of the Atmosphere) concept of a multi-static VHF meteor radar network to derive horizontally resolved wind fields in the mesosphere–lower thermosphere was introduced. Here we present preliminary results of the MMARIA network above Eastern Germany using two transmitters located at Juliusruh and Collm, and five receiving links: two monostatic and three multi-static. The observations are complemented during a one-week campaign, with a couple of addition continuous-wave coded transmitters, making a total of seven multi-static links. In order to access the kinematic properties of non-homogenous wind fields, we developed a wind retrieval algorithm that applies regularization to determine the non-linear wind field in the altitude range of 82–98km. The potential of such observations and the new retrieval to investigate gravity waves with horizontal scales between 50–200km is presented and discussed. In particular, it is demonstrated that horizonal wavelength spectra of gravity waves can be obtained from the new data set.

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