Physics – Space Physics
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ijrsp..20...82r&link_type=abstract
Indian Journal of Radio and Space Physics (ISSN 0367-8393), vol. 20, April 1991, p. 82-91.
Physics
Space Physics
1
Meteor Trails, Radar Echoes, Upper Atmosphere, Wind Profiles, Wind Shear, Meteorites, Radar Cross Sections, Tides, Very High Frequencies
Scientific paper
The height profiles of the zonal and meridional wind obtained from the meteor wind radar data recorded at Trivandrum (8 deg 36 min N, 77 deg E) are presented. Large wind shears were found to exist in the meteor zone over Trivandrum. The profiles showed quasi-sinusoidal variations with altitude and vertical wavelength of the oscillation in the range 15-25 km. Further, there was a large day-to-day variability in the profiles obtained for the same local time on consecutive days. The results are discussed in the light of the winds due to tides and equatorial waves in the low latitudes. The implications of the large wind shears with reference to the local wind effects on the equatorial electrojet are outlined.
Raghava Reddi C.
Rajeev K.
Ramakumar Geetha
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