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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 22, issue 2
Ann. Geophys., 22, 367–386, 2004
https://doi.org/10.5194/angeo-22-367-2004
© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 22, 367–386, 2004
https://doi.org/10.5194/angeo-22-367-2004
© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.

  01 Jan 2004

01 Jan 2004

Mesopause dynamics from the scandinavian triangle of radars within the PSMOS-DATAR Project

A. H. Manson1, C. E. Meek1, C. M. Hall2, S. Nozawa3, N. J. Mitchell4, D. Pancheva5, W. Singer6, and P. Hoffmann6 A. H. Manson et al.
  • 1Institute of Space and Atmospheric Studies, University of Saskatchewan, Canada
  • 2Tromsø Geophysical Observatory, University of Tromsø, Norway
  • 3Solar-Terrestrial Environment Laboratory, University of Nagoya, Japan
  • 4Department of Electronic and Electrical Engineering, University of Bath, UK
  • 5Department of Physics, University of Wales, UK
  • 6Leibniz-Institute of Atmospheric Physics, Kühlungsborn, Germany

Abstract. The "Scandinavian Triangle" is a unique trio of radars within the DATAR Project (Dynamics and Temperatures from the Arctic MLT (60–97km) region): Andenes MF radar (69°N, 16°E); Tromsø MF radar (70°N, 19°E) and Esrange "Meteor" radar (68°N, 21°E). The radar-spacings range from 125-270km, making it unique for studies of wind variability associated with small-scale waves, comparisons of large-scale waves measured over small spacings, and for comparisons of winds from different radar systems. As such it complements results from arrays having spacings of 25km and 500km that have been located near Saskatoon. Correlation analysis is used to demonstrate a speed bias (MF smaller than the Meteor) between the radar types, which varies with season and altitude. Annual climatologies for the year 2000 of mean winds, solar tides, planetary and gravity waves are presented, and show indications of significant spatial variability across the Triangle and of differences in wave characteristics from middle latitudes.

Key words: Meteorology and atmospheric dynamics (middle atmosphere dynamics; waves and tides: instrument and techniques)

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