Long-term variability in the mesospheric tidal winds observed by MF radar over Tirunelveli (8.7 degrees N, 77.8 degrees E)

Authors
Gurubaran, S Rajaram, R
Citation
S. Gurubaran et R. Rajaram, Long-term variability in the mesospheric tidal winds observed by MF radar over Tirunelveli (8.7 degrees N, 77.8 degrees E), GEOPHYS R L, 26(8), 1999, pp. 1113-1116
Citations number
21
Categorie Soggetti
Earth Sciences
Journal title
GEOPHYSICAL RESEARCH LETTERS
ISSN journal
00948276 → ACNP
Volume
26
Issue
8
Year of publication
1999
Pages
1113 - 1116
Database
ISI
SICI code
0094-8276(19990415)26:8<1113:LVITMT>2.0.ZU;2-W
Abstract
Observations of mesospheric tidal winds in the 84-98 km height range over a period of five years with the MF radar at Tirunelveli (8.7 degrees N, 77.8 degrees E), India, are presented in this study. The emphasis is on describ ing the long-term variability in the tidal amplitudes. The results reported herein clearly indicate pronounced interannual variability in the tidal ac tivity, and strengthen the earlier suggestion that this feature is linked t o the stratospheric quasi-biennial oscillation (QBO).