Observation and measurement of turbulence in the middle atmosphere with a VHF radar

Details Observation and measurement of turbulence in the middle atmosphere with a VHF radar Observation and measurement of turbulence in the middle atmosphere with a VHF radar

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jatp...48..655h&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 48, July 1986, p. 655-670.

Physics

29

Atmospheric Turbulence, Middle Atmosphere, Radar Tracking, Very High Frequencies, Data Processing, Energy Dissipation, Gravity Waves, Radar Echoes, Wind Profiles

Scientific paper

The intensity of atmospheric turbulence in the middle atmosphere has been investigated by utilizing the spectral half-widths of echoes received by a VHF radar. The work was performed using the SOUSY 53 MHz radar in West Germany, and this is the first time that the technique has been tested in such detail at VHF. It was found that broadening of the spectrum due to both finite beam half-width and vertical shears in the horizontal wind played a major role in determining the spectral half-widths observed. For any radar and for any given wind profile there is a lower limit to the turbulent energy dissipation rate which can be measured, and this lower limit is described for various radars.

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