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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 4, issue 4 | Copyright

Special issue: Tropospheric profiling: integration of needs, technologies...

Atmos. Meas. Tech., 4, 705-716, 2011
https://doi.org/10.5194/amt-4-705-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

  08 Apr 2011

08 Apr 2011

Meteorological profiling of the lower troposphere using the research UAV "M2AV Carolo"

S. Martin1, J. Bange2, and F. Beyrich3 S. Martin et al.
  • 1Institute of Aerospace Systems, Technische Universität Carolo-Wilhelmina Braunschweig, Hermann-Blenk-Str. 23, 38108 Braunschweig, Germany
  • 2Center for Applied Geoscience, Eberhard Karls Universität Tübingen, Sigwartstr. 10, 72076 Tübingen, Germany
  • 3Meteorological Observatory Lindenberg – Richard-Aßmann-Observatory, German Meteorological Service, Am Observatorium 12, 15848 Tauche OT Lindenberg, Germany

Abstract. Vertical profiles of temperature, humidity and wind up to a height of 1500 m a.g.l. (above ground level) were measured with the automatically operating small unmanned research aircraft M2AV (Meteorological Mini Aerial Vehicle) during the LITFASS-2009 LIndenberg-To-Falkenberg: Aircraft, Scintillometer and large-eddy Simulation) experiment. The campaign took place in July 2009 over the heterogeneous landscape around the Meteorological Observatory Lindenberg – Richard-Aßmann-Observatory in the eastern part of Germany. Due to a high vertical resolution of about 10 cm the M2AV data show details of the turbulent structure of the atmospheric boundary layer (ABL). One profile took about 10–15 min allowing for a continuous monitoring of certain phases of ABL development by successive ascents and descents during one flight (50–60 min duration). Two case studies of measurements performed during the morning and evening ABL transition periods are discussed in detail. Comparison of the aircraft-based temperature, humidity and wind profiles with tower, sodar/RASS, wind profiler/RASS, radiosoundings and microwave radiometer profiler measurements show good agreement taking into account the different sampling strategies of these measurement systems.

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